RE92076/2026-01-28,BoschRexrothAG
Control systems
HM, HS5, HS5E and EO
RE92076/2026-01-28
Replaced:2025-08-27
Features
▶ Electrohydrauliccontrolwithproportionaland
controlvalve
▶ Digitalelectrohydrauliccontrolsystemswithamplier
oron-boardelectronicsandIndraWorksfreely
parameterizableoperatingsoftware(HS5andHS5E)
▶ Controlofswivelangle,pressureandtorquelimitation
(HS5P)
▶ ControlforspeedvariabilitywithHS5andHS5E.
▶ MechanicalV
gmin
andV
gmax
limitation
▶ Electriccontrolforinside-reservoirinstallationinuid
(HS5M,EO2M)
▶ ThespecialversionandHS5Venableovercenterand
decompressionviathepump.
▶ HS5(E)V,HS5(E)Lwithinternalcontrolpressuresupply
asstandard
▶ Thecontrolsystemsfortheaxialpistonvariablepumps
A4VSO,A20VO,A4VBO,A4VHO,A4VSG,A4CSG,A4VZA
▶ Openandclosedcircuit
Contents
Typecode 2
HM1/HM2–hydrauliccontrol 9
HM2C–customer-speciccontrolsystem 15
HS5(P)–electrohydrauliccontrol 21
HS5M–suitableforuseinuid 37
HS5V(P)–closedloopcontrolwithinternalcontrol
pressuresupply 41
HS5L(P)–closedloopcontrolwithinternalcontrol
pressuresupply 45
HS5E(P)–controlsystemwith(OBE) 48
ElectricaldataofpilotcontrolvalveHS5E 57
XH4:signalsandpinassignmentofthecentral
connector 58
HS5EV(P)–controlsystemwith(OBE)andinternal
controlpressuresupply 69
HS5EL(P)–controlwithinternalcontrolpressure
supplyforA4CSG 75
HS5(E)K/EO1K/EO2K–shortcircuitvalve 77
HS5(E)Z(P)–Zeroswivelfunctionwith(de-energized)
controlvalveforA4VSGandA4CSG 82
EO1/EO2–controlwithproportionalvalve 85
EO2M–Suitableforuseinuid 94
Projectplanningnotes 99
Safetyinstructions 100
Relateddocumentation 101
BoschRexrothAG,RE92076/2026-01-28
2 HM, HS5, HS5E and EO series 1X |Controlsystems
TypecodeforA4VSO
Type code for A4VSO
01 02 03 04 05 06 07 08 09 10 11 12
A4VS(L) O / –
Hydraulic uid
01 Fordetailsseedatasheet92050
Axial piston unit
02 Swashplatedesign,variable A4VS(L)
1)
Operating mode
03 Pump,opencircuit(seedatasheet92050) O
Size (NG)
04 GeometricdisplacementV
g
[cm
3
] 40 71 125 180 250 260 370 500 750 1000
Control device 40 71 125 180 250 260 370 500 750 1000
05 Hydraulic control, depending on quantity
Minimumcontrolpressure20bar ● ● ● – ▲ ●
3)
– – – – HM1
Minimumcontrolpressure50/100/125bar ● ● ● ● ▲ ●
3)
●
3)
● ● ● HM2
Customercompactsolution:electrohydrauliccontrolwith
proportionalvalveandwithAWAXpositiontransducer
(preparedforcustomer-speciccontrolsystem)
○ ○ ● ○ ▲ ●
3)
●
3)
● ○ ○ HM2C
Digital, electrohydraulic control, with control valve
for
electricdisplacementandpressureandtorquelimitationwith
VT-HPC-1-1Xwithexternalcontrolpressuresupply.
Forvariable-speeddrives(Sytronix),pleaseordertherequired
SDcardseparately,see(datasheet30237)
● ● ● ● ▲ ●
3)
●
3)
● ● ● HS5
2)
....andwithpressuretransducerHM20-2X/630-C-K35 ● ● ● ● ▲ ●
3)
●
3)
● ● ● HS5P
2)
....suitableforuseinuid ● ● ● ● ▲ ● ● ● ● ● HS5M
2)
....withinternalcontrolpressuresupply ● ● ● ● ▲ ● ● – – – HS5V
2)
....andwithpressuretransducerHM20-2X/630-C-K35 ● ● ● ● ▲ ● ● – – – HS5VP
2)
Digital electrohydraulic control system, with control valve
with
OnBoardElectronics(OBE)forelectricdisplacementand
pressurecontrolandtorquelimitationwithexternalcontrol
pressuresupply
● ● ● ● ▲ ●
3)
●
3)
● ● ● HS5E
2)
....andwithpressuretransducerHM20-2X/630-C-K35 ● ● ● ● ▲ ●
3)
●
3)
● ● ● HS5EP
2)
....withinternalcontrolpressuresupply ● ● ● ● ▲ ● ● – – – HS5EV
2)
....andwithpressuretransducerHM20-2X/630-C-K35 ● ● ● ● ▲ ● ● – – – HS5EVP
2)
Analog, electrohydraulic control, with proportional valve
for
electricdisplacementcontrolwithVT5035-1X
....minimumcontrolpressure20bar ● ● ● – ▲ ● – – – – EO1
2)
....minimumcontrolpressure50/100/125bar ● ● ● ● ▲ ●
3)
●
3)
● ● ● EO2
2)
....suitableforuseinuid ● ● ● ● ▲ ●
3)
●
3)
● ● ● EO2M
Series 40 71 125 180 250 260 370 500 750 1000
06 Series1,index0 ● ● – – – – – – – – 10
Series3,index0 – – ● ● ● ● ● ● ● ● 30
Furtherdetailsonpositions07to12canbefoundindatasheet92050
● = Available ○ = Onrequest – = Notavailable ▲ = Notfornewprojects
1) Chargepump(L)onlyavailablewithNG750
2) OperationwithHFhydraulicuidsonrequest
3) Nominalpressure380bar/maximumpressure420barpossible
whenusingportplate36andcontrollerwithexternalcontrol
uidsupply.
RE92076/2026-01-28,BoschRexrothAG
3 Controlsystems | HM, HS5, HS5E and EO series 1X
TypecodeA20VO
Type code A20VO
01 02 03 04 05 06 07 08 09 10 11 12
A20V O / 10 –
Axial piston unit
01 Swashplatedesign,variable(backtobackversion) A20V
Additional function 520
02 Withoutchargepumpforstandardpressurearea(withoutcode) ●
Operating mode
03 Doublepump,opencircuit,seedatasheet93100 O
Size (NG)
04 GeometricdisplacementV
g
[cm
3
]perrotarygroup 520
Control device 520
05 Digital, electrohydraulic control, with control valve
for
electricdisplacementandpressureandtorquelimitationwithVT-HPC-1-1Xwithexternalcontrolpressuresupply.
Forvariable-speeddrives(Sytronix),pleaseordertherequiredSDcardseparately,see(datasheet30237)
● HS5
....andwithpressuretransducerHM20-2X/630-C-K35 ● HS5P
Series 520
06 Series1,index0 ● 10
Furtherdetailsonpositions7to12canbefoundindatasheet93100
● = Available ○ = Onrequest – = Notavailable
BoschRexrothAG,RE92076/2026-01-28
4 HM, HS5, HS5E and EO series 1X |Controlsystems
TypecodeforA4VBO
Type code for A4VBO
01 02 03 04 05 06 07 08 09 10 11 12
A4VB O / –
Rotary group version
01
Fordetailsseedatasheet92122
Axial piston unit
02 Swashplatedesign,variable,high-pressureunitupto450bar(seedatasheet92122) A4VB
Operating mode
03 Pump,opencircuit O
Size (NG)
04 GeometricdisplacementV
g
[cm
3
] 71 125 250 450
Control device 71 125 250 450
05 Customercompactsolution:electrohydrauliccontrolwithproportionalvalveandwithAWAX
positiontransducer(preparedforcustomer-speciccontrolsystem)
○ ○ ○ ○ HM2C
Digital, electrohydraulic control, with control valve
for
electricdisplacementandpressureandtorquelimitationwithVT-HPC-1-1Xwithexternal
controlpressuresupply
● ● ● ● HS5
1)
....andwithpressuretransducerHM20-2X/630-C-K35 ● ● ● ● HS5P
1)
....suitableforuseinuid ● ● ● ● HS5M
1)
....withinternalcontrolpressuresupply ● ● ● – HS5V
1)
....andwithpressuretransducerHM20-2X/630-C-K35 ● ● ● – HS5VP
1)
Digital electrohydraulic control system, with control valve
with
OnBoardElectronics(OBE)forelectricdisplacementandpressurecontrolandtorque
limitationwithexternalcontrolpressuresupply
● ● ● ● HS5E
1)
....andwithpressuretransducerHM20-2X/630-C-K35
● ● ● ● HS5EP
1)
....withinternalcontrolpressuresupply ● ● ● – HS5EV
1)
....andwithpressuretransducerHM20-2X/630-C-K35 ● ● ● – HS5EVP
1)
Series
06 Series1,index0 ● – – – 10
Series3,index0 – ● ● ● 30
Furtherdetailsonpositions7to12canbefoundindatasheet92122
● = Available ○ = Onrequest – = Notavailable ▲ = Notfornewprojects
1) OperationwithHFhydraulicuidsonrequest
RE92076/2026-01-28,BoschRexrothAG
5 Controlsystems | HM, HS5, HS5E and EO series 1X
TypecodeA4VHO
Type code A4VHO
01 02 03 04 05 06 07 08 09 10 11
A4VH O 450 HS5 / 30 V Z H 25
Axial piston unit
01 Swashplatedesign,variable,nominalpressure630bar,maximumpressure700bar A4VH
Operating mode
02 Pump,opencircuit O
Size (NG)
03 GeometricdisplacementV
g
[cm
3
],seedatasheet92160 450
Control device 450
04 Hydrauliccontrolwithproportionalvalve ● HS5
Series 450
05 Series3,index0 ● 30
Fordetailsofpositions6to11seedatasheet92160(A4VHO)
●
= Available
○
= Onrequest
‒
= Notavailable
BoschRexrothAG,RE92076/2026-01-28
6 HM, HS5, HS5E and EO series 1X |Controlsystems
TypecodeforA4VSG
Type code for A4VSG
01 02 03 04 05 06 07 08 09 10 11 12 13 14
A4VS G / –
Hydraulic uid
01 Fordetailsseedatasheet92100
Axial piston unit
02 Swashplatedesign,variable A4VS
Operating mode
03 Pump,closedcircuit(seedatasheet92100) G
Size (NG)
04 GeometricdisplacementV
g
[cm
3
] 40 71 125 180 250 355 500 750 1000
Control device 40 71 125 180 250 355 500 750 1000
05 Hydraulic control, depending on quantity
Minimumcontrolpressure20bar ● ● ● – ● – – – – HM1
Minimumcontrolpressure50/100/125bar ● ● ● ● ● ● ● ● ● HM2
Customercompactsolution:electrohydrauliccontrolwith
proportionalvalveandwithAWAXpositiontransducer
(preparedforcustomer-speciccontrolsystem)
○ ○ ● ○ ● ○ ● ○ ○ HM2C
Digital, electrohydraulic control, with control valve
for
electricdisplacementandpressureandtorquelimitation
withVT-HPC-1-1Xwithexternalcontrolpressuresupply
● ● ● ● ● ● ● ● ● HS5
1)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● ● ● ● ● ● HS5P
1)
....withshortcircuitvalve ● ● ● ● ● ● ● ● ● HS5K
1)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● ● ● ● ● ● HS5KP
1)
....suitableforuseinuid ● ● ● ● ● ● ● ● ● HS5M
1)
....withzeroswivelfunction – – – – – – ● ○ ○ HS5Z
1)
....and2pressuretransducersHM20-2X/630-C-K35 – – – – – – ● ○ ○ HS5ZP
1)
Digital electrohydraulic control system, with control valve
with
OnBoardElectronics(OBE)forelectricdisplacementand
pressurecontrolandtorquelimitationwithexternalcontrol
pressuresupply
● ● ● ● ● ● ● ● ● HS5E
1)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● ● ● ● ● ● HS5EP
1)
....withshortcircuitvalve ● ● ● ● ● ● ● ● ● HS5EK
1)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● ● ● ● ● ● HS5EKP
1)
....withzeroswivelfunction
– – – – – – ● ○ ○ HS5EZ
1)
....and2pressuretransducersHM20-2X/630-C-K35 – – – – – – ● ○ ○ HS5EZP
1)
Analog electrohydraulic control, with proportional valve forelectricdisplacementcontrolwithVT5035-1X
....minimumcontrolpressure20bar ● ● ● – ● – – – – EO1
1)
....andwithshortcircuitvalve ● ● ● – ● – – – – EO1K
1)
....minimumcontrolpressure50/100/125bar ● ● ● ● ● ● ● ● ● EO2
1)
....andwithshortcircuitvalve ● ● ● ● ● ● ● ● ●
EO2K
1)
Fordetailsofpositions06to14seedatasheet92100(A4VSG)
● = Available ○ = Onrequest – = Notavailable ▲ = Notfornewprojects
1) OperationwithHFhydraulicuidsonrequest
RE92076/2026-01-28,BoschRexrothAG
7 Controlsystems | HM, HS5, HS5E and EO series 1X
TypecodeforA4CSG
1) OperationwithHFhydraulicuidsonrequest
2) ForinformationonconguringtheLvariantinIndraWorksDs,see
thedescriptionoftherespectivecontrolonpage:45and75
Type code for A4CSG
01 02 03 04 05 06 07 08 09 10 11 12 14
A4CS G / –
Axial piston unit
01 Swashplatedesign,variable A4CS
Operating mode
02 Pump,closedcircuit(seedatasheet92105) G
Size (NG)
03 GeometricdisplacementV
g
[cm
3
] 250 355 500 750
Control device 250 355 500 750
04 Hydraulic control, depending on quantity
Customercompactsolution:electrohydrauliccontrolwithproportionalvalveandwithAWAX
positiontransducer(preparedforcustomer-speciccontrolsystem)
● ○ ● ○ HM2C
Digital, electrohydraulic control, with control valve
for
electricdisplacementandpressureandtorquelimitationwithVT-HPC-1-1Xwithexternal
controlpressuresupply
Forvariable-speeddrives(Sytronix),pleaseordertherequiredSDcardseparately,
see(datasheet30237)
● ● ● ● HS5
1)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● HS5P
1)
....withshortcircuitvalve ● ● ● ● HS5K
1)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● HS5KP
1)
....withinternalcontrolpressuresupply ● ● ● ● HS5L
1)2)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● HS5LP
1)2)
...andwithzeroswivelfunction – – ● ○ HS5Z
1)
....with2pressuretransducersHM20-2X/630-C-K35 – – ● ○ HS5ZP
1)
Digital electrohydraulic control system, with control valve
with
OnBoardElectronics(OBE)forelectricdisplacementandpressurecontrolandtorque
limitationwithexternalcontrolpressuresupply
● ● ● ● HS5E
1)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● HS5EP
1)
....withinternalcontrolpressuresupply ● ● ● ● HS5EL
1)2)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● HS5ELP
1)2)
....withshortcircuitvalve ● ● ● ● HS5EK
1)
....with2pressuretransducersHM20-2X/630-C-K35 ● ● ● ● HS5EKP
1)
...andwithzeroswivelfunction – – ● ○ HS5EZ
1)
....with2pressuretransducersHM20-2X/630-C-K35 – – ● ○ HS5EZP
1)
Analog electrohydraulic control, with proportional valve forelectricdisplacementcontrolwithVT5035-1X
....minimumcontrolpressure100/125bar ● ● ● ● EO2
1)
....andwithshortcircuitvalve ● ● ▲ ▲ EO2K
1)
Fordetailsofpositions05to14seedatasheet92105(A4CSG)
● = Available ○ = Onrequest – = Notavailable ▲ = Notfornewprojects
BoschRexrothAG,RE92076/2026-01-28
8 HM, HS5, HS5E and EO series 1X |Controlsystems
TypecodeA4VZA
Hydraulic uid 71 180
01 MineraloilandHFDhydraulicuids(nocode) ● ●
Axial piston unit
02 Variableswashplatedesign,nominalpressure330bar,maximumpressure380bar(seedatasheet92115) A4VZ
Operating mode
03 Pump/motoroperation,closedcircuit,forservo-hydraulicaxes A
Size (NG)
04 GeometricdisplacementV
g
[cm
3
] 71 180
Control device 71 180
05 Electrohydrauliccontrol,withcontrolvalve
(onlypossibleinconnectionwithorderitem06code"A")
● ● HS5
1)3)
Electrohydrauliccontrolsystem,withcontrolvalveandOnBoardElectronics(OBE) ○ ○ HS5E
2)3)
Position transducer and swivel angle sensors 71 180
06 WithinductivepositiontransducerAWAX004withroundconnectorM12x1;4-pole ● ● A
OnlyforHS5E withoutcode ● ●
2)
Series 71 180
07 Series1,index0 ● ● 10
Fordetailsofpositions8to13seedatasheet92115
●
= Available
○
= Onrequest
‒
= Notavailable
Type code A4VZA
01 02 03 04 05 06 07 08 09 10 11 12 13
A4VZ A / 10 W – 9 1A
1) HS5(inpressurecontrol)onlyfordeadvolumebetweenpump
outletandconsumer>5liters
2) TheHS5Econtrolisalwaysdeliveredwiththeinductiveposition
transducerVT-SWA-Lin.
3) WithHS5(E)andbi-directionalrotation,onlyswivelanglecontrol
ispossible.Pressurecontrolandtorquelimitationareonly
possiblewithclockwiserotation.
RE92076/2026-01-28,BoschRexrothAG
9 Controlsystems | HM, HS5, HS5E and EO series 1X
HM1/HM2–Hydrauliccontrol,quantity-dependent
HM1 / HM2 – Hydraulic control, quantity-dependent
Type NG 40 71 125 180 250 260 355 370 500 750 1000
A4VSO ● ● ● – ▲ ● – – – – –
HM1
A4VSG ● ● ● – ● – – – – – –
A4VSO ● ● ● ● ▲ ● – ● ● ● ●
HM2
A4VSG ● ● ● ● ● – ● – ● ● ●
ThecontrolHM1/2setsthedisplacementofthepump
dependingonthecontroluidquantity.
Thiscontrolisusedfor2-pointcircuitorasabasedevice
forcontrolswithproportionalvalves(additionalelectric
feedbackrequired),e.g.HS5,HS5E,E02,E01.
Spring-centering
Thespring-centeringofthestrokingcylinderisstandard.
Itisusedforsettingandadjustmentinthedepressurized
neutralposition,butwithoutadenedresetduring
high-pressureoperation.
Notices
▶ Thespringfeedbackinthecontrollerandpump
controlspringcenteringarenosafetydevices.
Thecontrollercanstickinanundenedposition
duetointernalcontamination(contaminated
hydraulicuid,abrasionorresidualcontamination
fromsystemcomponents).Asaresult,theowinthe
axialpistonunitwillnolongerrespondcorrectly
totheoperator'sspecications.Checkwhetherthe
applicationonyourmachinerequiresadditional
safetymeasurestobringthedrivenconsumer
toasafeposition(immediatestop).
Mechanical minimum andmaximum swivel angle
limitation
Displacement (setting range)
Product NG minimum in
B
2)
maximum in
B
maximum in
A
A4VSO 40…370,
750,1000
0%
2)
50…100
1)
% –
500 0%
2)
70…100
1)
% –
A4VSG 40…1000 – 50…100
1)
% 50…100
1)
%
Twoversionsareavailable:
Type Control pressure [bar] Sizes
HM1 From20 40,71,125,250and260
(seepage10)
HM2 From50/100/125 40...1000(seepage11)
HM2:Tominimizethecontroluidconsumption,the
strokingchambersaresealedinsizes125to750.
▼ Flow direction in closed circuit
Direction of rotation Swiveling range
3)
Clockwise Counter-clockwise
B to A A to B Clockwise
A to B B to A Counter-clockwise
OvercenterwithA4VSOisavailableonrequest.
▼ Flow direction in open circuit
Direction of rotation Swiveling range
3)
Clockwise Counter-clockwise
S to B Counter-clockwise
S to B Clockwise
1) Defaultsetting,pleasespecifyothersettingswhenordering
2) TheV
gmin
stopissettoV
g
=0l/minat
P
HD
=20barbydefaultsetting,i.e.thepressureis20barwhen
portBisclosed,othervaluesonrequest.
3) Seeswivelangleindicator
15° 15° 0°
CW
CCW
BoschRexrothAG,RE92076/2026-01-28
10 HM, HS5, HS5E and EO series 1X |Controlsystems
HM1/HM2–Hydrauliccontrol,quantity-dependent
Technical data HM1
Size
2)
NG 40 71 125 250 260
Controlpressure(inX
1
,X
2
) p
min
bar 20 20 20 20 20
1)
p
max
bar 100 100 100 100 100
Controlstroke s
max
mm 14.2 17.1 20.7 25.9 26.7
Controlarea
A
cm
2
16.6 24.6 36.3 56.7 56.7
Controlvolume V
Smax
cm
3
23.6 42.1 75.2 147 151
Weight:approx.(A4VSO…HM1…N00)
m
kg 38 55 92 194 194
Circuit diagrams HM1
▼ Sizes 40 and 71
Example:
opencircuitA4VSO
▼ Sizes 125 and 250
Example:closedcircuitA4VSG
B
1
M
B
B
X
1
X
2
K
1
K
2
R(L)
TM
S
U
S
M
B
M
A
B
X
1
X
2
K
2
K
3
R(L)TU
A
E
Ports With swivel direction
X
1
Controlpressureport Counter-clockwise
X
2
Controlpressureport Clockwise
1) Incombinationwithworkingport36,aminimumcontrolpressure
of50barisrequired.
2) Forthecorrelationbetweensizesandthecorrespondingvariable
displacementunit,seetheoverviewonpage9.
RE92076/2026-01-28,BoschRexrothAG
11 Controlsystems | HM, HS5, HS5E and EO series 1X
HM1/HM2–Hydrauliccontrol,quantity-dependent
Technical data HM2
ForA4CSGwithHM2,thecontrolpressurereliefvalve
(seedatasheet92105,circuitdiagramforversionFwith
integratedboostpump)isnotrequiredandisreplaced
withathreadedplug.
Tominimizethecontroluidconsumption,thestroking
chambersaresealedinsizes125...1000andcanbebled
viatheportsR
2
…R
7
.
Size
1)
NG 40 71 125 180 250 260 355 370 500 750 1000
Controlpressure(inX
1
,X
2
) p
min
bar 50 50 50 100 100 100 100 100 125 125 125
p
max
bar 350 350 350 350 350 350 350 350 350 350 350
Controlstroke s
max
mm 14.2 17.1 20.7 20.7 25.9 26.75 25.9 26.75 32.6 37.0 41.4
Controlarea
A
cm
2
8.1 12.6 18.1 18.1 28.3 28.3 28.3 28.3 38.2 56.8 63.6
Controlvolume V
Smax
cm
3
11.4 21.5 37.5 37.5 73.2 75.7 73.2 75.7 124.5 210 263.3
Weight:approx.
(A4VSO…HM2…N00)
m
kg 38 55 92 106 194 194 214 213 327 470 600
Circuit diagrams HM2
▼ Sizes 40 and 71
Example:
opencircuitA4VSO
▼ Sizes 125 to 370
Example:opencircuitA4VSO
B
1
M
B
B
X
1
X
2
K
1
K
2
R(L)
TM
S
U
S
B
1
M
B
B
X
1
X
2
K
1
K
2
R(L)TM
S
U S R
5
R
6
R
7
R
2
R
3
R
4
▼ Sizes 500 to 1000
Example:
closedcircuitA4VSG
X
1
X
2
M
X2
M
X1
M
X
U
M
B
M
A
B A
E
R
5
R
6
R
7
R
2
R
3
R
4
R(L)TK
2
K
3
Ports
X
1
Controlpressureport
X
2
Controlpressureport
M
X
,
M
X1
,
M
X2
Measuringportscontrolpressure
R
2
…R
7
Airbleedportcontrol
1) Forthecorrelationbetweensizesandthecorrespondingvariable
displacementunit,seetheoverviewonpage9.
BoschRexrothAG,RE92076/2026-01-28
12 HM, HS5, HS5E and EO series 1X |Controlsystems
HM1/HM2–Hydrauliccontrol,quantity-dependent
Dimensions [mm]
Dimensions HM1/HM2
▼ A4VSO and A4VSG, size 40 and 71
Mountingangeareainaccordance
withportingpatternDIN24340A6
B
R(L)
R(L)
X
1
X
2
R
L
U
A
3
A
1
A
4
A
5
A
2
T
15°0°15°
NG A
1
A
2
A
3
A
4
A
5
40 296 136 24 102 217
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO)or92100(A4VSG)
71 332 157 28 120 245
Ports Standard Size p
max
[bar]
1)
State
2)
X
1
,X
2
Controlpressureport DIN3852-1 M14×1.5;12deep 100(withHM1)
350(withHM2)
O
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
13 Controlsystems | HM, HS5, HS5E and EO series 1X
HM1/HM2–Hydrauliccontrol,quantity-dependent
Dimensions [mm]
Dimensions HM1/HM2
▼ A4VSO, A4VSG and A4CSG, sizes 125 to 355/370
B
R(L)
R(L)
X
1
X
2
U
A
3
A
3
A
1
A
4
A
5
A
2
T
R
L
S
R
5
R
6
R
2
R
3
R
7
/R
4
15°0°15°
NG A
1
A
2
A
3
A
4
A
5
125/180
2)
402 191 67 186.5 251 Fordetaileddimensionsandtechnicaldataforthevariable
pump,seedatasheet92050(A4VSO),92100(A4VSG)or
92105(A4CSG)
250/260/355/370
2)
485 238 71 233 311
Ports Standard Size p
max
[bar]
1)
State
3)
X
1
,X
2
Controlpressureport DIN3852-1 M14×1.5;12deep(NG125and180)
M18×1.5;12deep(NG250(260)and355(370))
100(withHM1)
350(withHM2)
O
O
R
2
…R
7
Airbleedportcontrol DIN3852-1 M10×1;8deep 350(onlywithHM2) X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) Sizes180and355/370onlyforHM2
3) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
14 HM, HS5, HS5E and EO series 1X |Controlsystems
HM1/HM2–Hydrauliccontrol,quantity-dependent
Dimensions [mm]
Dimensions HM2
▼ A4VSO, A4VSG and A4CSG, sizes 500 to 1000
Mountingangeareainaccordance
withportingpatternDIN24340A6
X
1
M
X1
M
X1
M
X
M
X2
X
2
X
1
, X
2
A
3
A
1
A
4
A
5
A
2
R
L
R
2
R
3
R
6
R
5
R
7
/R
4
R(L)
B
T
S
U
15°0°15°
NG A
1
A
2
A
3
A
4
A
5
500 555 283 50 274 388
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO),92100(A4VSG)or92105(A4CSG)
750 630 320 50 304 420
1000 670 347 50 327 486
Ports Standard Size
1)
p
max
[bar]
2)
State
X
1
,X
2
Controlpressureport DIN3852-1 M27×2;16deep 350 O
M
X
,M
X1
,M
X2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 350 X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;12deep 350 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
15 Controlsystems | HM, HS5, HS5E and EO series 1X
HM2C–customer-speciccontrolsystemwithproportionalvalve,positiontransducer
HM2C – customer-specic control system with proportional valve, position transducer
Type NG 40 71 125 180 250 260 355 370 450 500 750 1000
A4VSO ○ ○ ● ○ ▲ ● – ● – ● ○ ○
HM2C
A4VBO – ○ ○ – ○ – – – ○ – – –
A4VSG ○ ○ ● ○ ● – ○ – – ● ○ ○
A4CSG – – – – ● – ○ – – ● ○ –
TheHM2Ccustomersolutionprovidesthebaseunit,
sensorsandactuatorsrequiredforacontrolsystem.
Thismeansthatapumpcontrolsystemcanbebuiltupby
theendusersthemselvesforelectronicvolume,pressure
andpowercontrol.Notice:Nonishedpumpcontrol
electronicsisavailablefortheHM2ClikefortheHS5.
TheHM2Ccanbeintegratedfreelyinthecontrol
architectureoftheplantoperatormachinewith
denedstandardinterfaces.
On the pump side, the base unit is equipped with:
▶ Aproportionalvalve(includingintegratedvalve
amplier)
▶ Positiontransducer
Allcomponentsarealreadyinstalledandpipedupand
onlyhavetobeconnectedwiththeon-sitecontrol.
TheHM2Ccontrolreceivesthesetpointvalueforthe
mountedproportionalvalvefromthesuperordinate
controlintheformofanelectriccurrentsignal.
Component Designation Data sheet
Valve Sizes40to180
4WREE6V08-3X/V/24F1-822
29105
Sizes250to1000
4WREE6V16-3X/V/24F1-822
Position
transducer
Normalizedoutputsignal
4to20mAand2to10V
Thepumpsettingisrecordedviathepositiontransducer.
Thesetwoparametersarethereforeavailabletothe
superordinatecontrol.
Example applications:
▶ Theplantoperatorwantstoretainhisownmachine
controlandintegratethepumpcontrolinit
Thistypeofcustomer-specicsolutioncanbesetupwith
theHM2CandtheMotionLogicControl(MLC)from
BoschRexroth,forexample.Togetherwithamatching
I/Oaxismodule,afreelyprogrammablecontrolisavail-
abletotheuser.
TheaxismoduleandtheMLCforactuatingtheHM2C
controlarenotincludedintheHM2Cscopeofdelivery.
Spring-centering
Thespring-centeringofthestrokingcylinderisstandard.
Itisusedforsettingandadjustmentinthedepressurized
neutralposition,butwithoutadenedresetduringhigh-
pressureoperation.
Notices
▶ Thespringfeedbackinthecontrollerandpump
controlspringcenteringarenosafetydevices.The
controllercanstickinanundenedpositiondueto
internalcontamination(contaminatedhydraulicuid,
abrasionorresidualcontaminationfromsystem
components).Asaresult,theowintheaxialpiston
unitwillnolongerrespondcorrectlytotheoperator's
specications.Checkwhethertheapplicationon
yourmachinerequiresadditionalsafetymeasures
tobringthedrivenconsumertoasafeposition
(immediatestop).
Tominimizethecontroluidconsumption,thestroking
chambersaresealedinsizes125to1000andcanbebled
viatheportsR2toR7.
BoschRexrothAG,RE92076/2026-01-28
16 HM, HS5, HS5E and EO series 1X |Controlsystems
HM2C–customer-speciccontrolsystemwithproportionalvalve,positiontransducer
Mechanical minimum andmaximum swivel
angle limitation
Displacement (setting range)
Product NG minimum in
B
2)
maximum in
B
maximum in
A
A4VSO 40…370,
750,1000
0%
2)
50…100
1)
% –
500 0%
2)
70…100
1)
% –
A4VBO 71…450 0%
2)
75…100
1)
% –
A4VSG 40…1000 – 50…100
1)
% 50…100
1)
%
A4CSG 250…750 – 50…100
1)
% 50…100
1)
%
Whenordering,pleasestateothersettingrequestsin
plaintext.
Technical data HM2C
Size
3)
NG 125 250 260 355 370 500
Controlpressure(inP) p
min
bar 100 125 125 100 100 150
p
max
bar 350 350 350 350 350 350
Controlstroke s
max
mm 20.7 25.9 26.75 25.9 26.75 32.6
Controlarea
A
cm
2
18.1 28.3 28.3 28.3 28.3 38.2
Controlvolume V
Smax
cm
3
37.5 73.2 75.7 73.2 75.7 124.5
Weight:approx.(A4VSO…HM2…N00)
m
kg 92 194 194 214 213 327
ToensurethefunctionalreliabilityfortheHM2C
proportionalvalve,theoperatinguidmusthaveamin.
cleanlinesslevelof20/18/15asdenedinISO4406.
Circuit diagrams HM2C
▼ Sizes 125 to 250
Example:
opencircuitA4VSOHM2C
▼ Size500
Example:opencircuitA4VSOHM2C
U
S
b a
b
a
G
U
T P
AB
R
KV
S
p
P
B
1
M
B
B
K
1
K
2
R(L)TM
S
M
1
M
2
U S R
5
R
6
R
7
R
2
R
3
R
4
U
S
b a
b
a
G
U
T P
AB
B
1
M
B1
M
B2
R
KV
M
p
M
A
P
B
K
1
K
2
R(L)TM
S
U S R
5
R
6
R
7
R
2
R
3
R
4
1) Defaultsetting,pleasespecifyothersettingswhenordering
2) TheV
gmin
stopissettoV
g
=0l/minatP
HD
=20barbydefault
setting,i.e.thepressureis20barwhenportBisclosed,other
valuesonrequest.
3) Forthecorrelationbetweensizesandthecorrespondingvariable
displacementunit,seetheoverviewonpage15.
RE92076/2026-01-28,BoschRexrothAG
17 Controlsystems | HM, HS5, HS5E and EO series 1X
HM2C–customer-speciccontrolsystemwithproportionalvalve,positiontransducer
Flow direction open and closed circuit
Circuit Direction of
rotation
Swivel
direction
1)
High
pressure in
Operating
mode
4WREE control valve Valve
command
value
Basic setting
2)
Part of
control
Flow
direction
Open
Clockwise Counter-
clockwise
B Pump PtoB <12mA V
gmin
(counter-clockwise)
(StoB) AtoT
Counter-
clockwise
Clockwise B Pump
PtoB <12mA V
gmin
(clockwise)
(StoB) AtoT
Closed
Clockwise Counter-
clockwise
B Pump PtoB
AtoT
<12mA V
gmax
clockwise
(AtoB)
A Motor
(BtoA)
Clockwise A Pump
PtoA
BtoT
>12mA V
gmax
clockwise
(BtoA)
B Motor
(AtoB)
Counter-
clockwise
Clockwise B Pump
PtoB
AtoT
<12mA V
gmax
counter-clockwise
(AtoB)
A Motor
(BtoA)
Counter-
clockwise
A Pump
PtoA
BtoT
>12mA V
gmax
counter-clockwise
(BtoA)
B Motor
(AtoB)
1) Seeswivelangleindicator
15° 15° 0°
CW
CCW
2) Controlpositionwithcontrolpressurepresentand
de-energizedvalve
BoschRexrothAG,RE92076/2026-01-28
18 HM, HS5, HS5E and EO series 1X |Controlsystems
HM2C–customer-speciccontrolsystemwithproportionalvalve,positiontransducer
AWAX004 position transducer
With round connector M12 × 1; 4-pin
Technical data
Measuring
system
Differentialtransformerwith
evaluationelectronics
Measuringstroke ±4mm
Electrical
connection
Connector
M12×1;4-pin
Sensorsignal 4…20mA
2…10V
Plug-inconnectiontypeofprotec
-
tion
accordingtoEN60529
IP66/IP67withmountedand
lockedplug-inconnector
Ambienttemperature -25°Cto+80°C
▼ Electrical connection
1
2
43
▼ Pin assignment
AWAX004
18 V ...30 V
+ 1
- 3
4
2
4 ... 20 mA
2 ... 10 V
I
A
U
A
3 -
Supplyvoltage
Output
(Input
v
oltage
andc
urrent
out
put
arer
everse
p
olarity
pr
otected)
▼ Current/voltage/displacement diagram
I
A
mA
U
A
V
s
mm
10
8
6
4
2
-4 -2 0 2 4
16
20
8
4
100% V
g
100% V
g
12
Rodfromposition
transducer
Rodintotheposition
transducer
Swiveldirection LR
Notices
▶ Thepositiontransducermustbefullyconnected
beforethecurrentissupplied.
RE92076/2026-01-28,BoschRexrothAG
19 Controlsystems | HM, HS5, HS5E and EO series 1X
HM2C–customer-speciccontrolsystemwithproportionalvalve,positiontransducer
Dimensions [mm]
Dimensions HM2C
▼ A4VSO, A4VSG and A4CSG, sizes 125, 250/260, 355/370
A
2
A
3
A
1
A
4R
(A
4L
)
R
L
15°0°15°
R(L)
B
R
7
/R
4
S
P
P
R
KV
M
2
M
1
R
2
R
3
R
5
R
6
U
NG A
1
A
2
A
3
A
4R
A
4L
125 402 304 350 310 318.5
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO),92100(A4VSG)or92105(A4CSG)
250/260 485 340 412 372 380.5
355/370 485 340 412 372 380.5
Anschlüsse Norm
1)
Größe p
max
[bar]
2)
Zustand
3)
P Controlpressureport DIN3852-1 M22×1.5;14tief 350 O
S
P
Controlpressureport DIN3852-1 M22×1.5;14tief 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14tief 4 O
M
1
,M
2
Measuringport,controlpressure DIN3852-1 M14×1.5;12tief(NG125)
M18×1.5;12tief(NG250(260)und355(370))
350
350
X
X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M10×1;8tief 350 X
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
20 HM, HS5, HS5E and EO series 1X |Controlsystems
HM2C–customer-speciccontrolsystemwithproportionalvalve,positiontransducer
Dimensions [mm]
Dimensions HM2C
▼ A4VSO, A4VSG and A4CSG, size 500
A
4
A
2
A
3
A
1
A
6
A
5
A
7
R
L
15°0°15°
R(L)
M
P
B
R
7
/R
4
R
2
R
3
P
R
KV
R
KV
M
A
M
B2
P
M
B2
R
5
R
6
NG A
1
A
2
A
3
A
4
A
5
A
6
A
7
500 555 363 520 274 388 50 392 Fordetaileddimensionsandtechnicaldataforthe
variablepump,seedatasheet92050(A4VSO),
92100(A4VSG)or92105(A4CSG)
Ports Standard Size p
max
[bar]
1)
State
2)
R
KV
Controlpressureuidreturnport DIN3852-1 M27×2 4 O
P Controlpressureport DIN3852-1 M27×2 350 O
M
1
,M
2
Measuringport,controlpressure DIN3852-1 M14×1.5 315 X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5 315 X
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
21 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Dimensions [mm]
HS5(P) – electrohydraulic control with control valve
Type NG 40 71 125 180 250 260 355 370 450 500 520 750 1000
A4VSO ● ● ● ● ▲ ● – ● – ● – ● ●
HS5(P)
A20VO – – – – – – – – – – ● – –
A4VBO – ● ● – ● – – – ● – – – –
A4VSG ● ● ● ● ● – ● – – ● – ● ●
A4CSG – – – – ● – ● – – ● – ● –
A4VHO – – – – – – – – ● – – – – HS5
A4VZA
1)2)
– ● – ● – – – – – – – – –
For electric displacement and pressure control as well
as torque limitation with VT-HPC-1-1X with external
control pressure supply
ThecontrolHS5setsthedisplacementofthepumpwith
themounteddirectoperatedcontrolvalveproportional
tothesetpointvalue.
Thepumpsettingisreportedbyaninductiveposition
transducer.
WithHS5P,themountedpressuretransducerHM20
(seedatasheet30272)recordsthesystempressure,
withA4VSO,A20VO,A4VBO,A4VSGandA4CSG,each
pressuresideisassignedapressuretransducer.Together
withtherelevantcontrolelectronicsVT-HPC-1-1Xandthe
operatingsoftwareIndraWorks,theuserhasapreciseand
freelyparameterizablecontrol,whichoffersacomfortable
operatinganddiagnosisinterface.
ThedigitalcontrolamplierVT-HPC-1-1Xforactuatingthe
HS5controlisnotincludedinthescopeofdelivery,
pleaseorderseparatelyinaccordancewith
datasheet30237.
Theprogrammingofthedigitalcontrolelectronicstakes
placeviatheEthernetinterfaceoftheIndraWorks
operatingsoftware.
Machineandsystemdynamicsmustbeoptimizedbythe
systemoperatorusingthepressurecontrolfunction.
Spring-centering
Thespring-centeringofthestrokingcylinderisstandard.
Itisusedforsettingandadjustmentinthedepressurized
neutralposition,butwithoutadenedresetduringhigh-
pressureoperation.
Notices
▶ Thespringfeedbackinthecontrollerandpump
controlspringcenteringarenosafetydevices.
Thecontrollercanstickinanundenedpositiondue
tointernalcontamination(contaminatedhydraulic
uid,abrasionorresidualcontaminationfromsystem
components).Asaresult,theowintheaxial
pistonunitwillnolongerrespondcorrectlytothe
operator'sspecications.Checkwhetherthe
applicationonyourmachinerequiresadditional
safetymeasurestobringthedrivenconsumer
toasafeposition(immediatestop).
Tominimizethecontroluidconsumption,thestroking
chambersaresealedinsizes125...1000andcanbebled
viatheportsR
2
…R
7
.
Mechanical minimum andmaximum swivel angle
limitation
Displacement (setting range)
Product NG minimum in
B
4)
maximum in
B
maximum in
A
A4VSO 40…370,
750,1000
0%
4)
50…100
3)
% –
500 0%
4)
70…100
3)
% –
A20VO 520
A4VBO 71…450 0%
4)
75…100
3)
% –
A4VHO 450 0%
4)
65…100
3)
% –
A4VSG 40…1000 – 50…100
3)
% 50…100
3)
%
A4CSG 250…750 – 50…100
3)
% 50…100
3)
%
A4VZA 71,180 – 50…100
3)
% 50…100
3)
%
1) HS5(inpressurecontrol)onlyfordeadvolumebetweenpump
outletandconsumer>5liters
2) WithHS5andbi-directionalrotation,onlyswivelanglecontrolis
possible.Pressurecontrolandtorquelimitationareonlypossible
withclockwiserotation.
3) Defaultsetting,pleasespecifyothersettingswhenordering
4) TheV
gmin
stopissettoV
g
=0l/minat
P
HD
=20barbydefaultsetting,i.e.thepressureis20barwhen
portBisclosed,othervaluesonrequest.
BoschRexrothAG,RE92076/2026-01-28
22 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Whenordering,pleasestateothersettingrequestsin
plaintext.
Toensurethefunctionalreliabilityforthe
HS5(V)(L)controlsystem,theoperatinguidmust
haveamin.cleanlinesslevelof18/16/13asdenedin
ISO4406.
Information regarding A4VZA
▶ HS5–controlmustbeparameterizedasaclockwise
rotatingunitdespitebi-directionalrotation.
▶ WithHS5andbi-directionalrotation,onlyswivelangle
controlispossible.Pressurecontrolandtorque
limitationonlypossiblewithclockwiserotation
Information regarding position transducer AWAX
▶ Thepositiontransducermustbefullyconnected
beforethecurrentissupplied.Observecommissioning
instructions30237-BfortheVT-HPC.
▶ FortechnicaldataontheAWAXpositiontransducer,
seepage18.
Optional:
▶ HS5PwithonepressuretransducerforA4VSO,A4VBO
andA20VO(onepressuretransducerperpressureside)
(opencircuit)ortwopressuretransducersforA4VSG,
A4CSG(closedcircuit)forpressurecontrolandtorque
limitation.
▶ SpeedvariationpossiblewithSDcard:
VT-SD-HPC-HS5n.
Fordescription,seedatasheet30237-Z.
RE92076/2026-01-28,BoschRexrothAG
23 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Technical data HS5(P)
Size
5)
NG 40 71 125 180 250 260 355 370 450 500 520 750 1000
Control
pressure
(inP)
A4VSO,A4VSG,
A4CSG,A4VZA
p
min
bar 100 100 100 125 125 125 125 125 – 150 – 150 150
A20VO p
min
bar – – – – – – – – – – 150 – –
A4VBO p
min
bar – 130 130 – 160 – – – 190 – – – –
A4VHO p
min
bar – – – – – – – – 200 – – – –
p
max
1)
bar 350 350 350 350 350 350 350 350 350 350 350 350 350
Control
stroke
s
max
mm 14.2 17.1 20.7 20.7 25.9 26.75 25.9 26.75 29.34 32.6 37.0 41.4
A4VHO s
max
mm – – – – – – – – 29.6 – – – –
Controlarea
A
cm
2
8.1 12.6 18.1 18.1 28.3 28.3 28.3 28.3 38.2 38.2 56.8 63.6
A4VHO
A
cm
2
– – – – – – – – 56.8 – – – –
Control
volume
V
Smax
cm
3
11.4 21.5 37.5 37.5 73.2 75.7 73.2 75.7 112.1 124.5 210 263.3
A4VHO V
Smax
cm
3
– – – – – – – – 168.1 – – – –
Actuating
time
t
min
2)
s 0.04 0.06 0.09 0.09 0.12 0.13 0.12 0.13 0.15 0.15 0.16 0.2 0.25
A4VHO t
min
2)
s – – – – – – – – 0.3 – – – –
Weight(approx.)
m
kg Seerelateddatasheets
Controlloopperformancehysteresis ≤0.2%
Repeataccuracy ≤0.2%
Linearitydeviationswivelangle ≤1.0%
Linearitydeviationpressure ≤1.5%ofp
max
3)
A4VSO, A20VO, A4VBO, A4VHO – open circuit
▼ Characteristic curve
p
α
Basic settingforversionwithoutshortcircuitvalve,
de-energizedproportionalvalveandconnectedcontrol
pressure:V
gmin
(seetable).
▼ Flow direction for A4VSO, A20VO, A4VBO, A4VHO
Direction of
rotation
Swiveling
range
4)
Flow direction Basic setting
Clockwise
Counter-
clockwise
S to B
V
gmin
(counter-clockwise)
Counter-
clockwise
Clockwise S to B V
gmin
(clockwise)
A4VSG, A4CSG, A4VZA – closed circuit
▼ Characteristic curve
p
+α
p
-α
Basic settingforversionwithoutshortcircuitvalve,
de-energizedproportionalvalveandconnectedcontrol
pressure:V
gmax
(seetable).
▼ Flow direction for A4VSG, A4CSG
Direction of
rotation
Swiveling
range
4)
Flow direction Basic setting
Clockwise
Clockwise B to A V
gmax
clockwise
Counter-
clockwise
A to B
Counter-
clockwise
Clockwise A to B V
gmax
counter-
cloc
kwise
Counter-
clockwise
B to A
ForowdirectionwithA4VZA,seedatasheet92115
1) Duetothepermissibledataoftheproportionalvalve
2) Withminimumcontrolpressure
3) Pressuretransducervalue
4) Seeswivelangleindicator
15° 15° 0°
CW
CCW
5) Forthecorrelationbetweensizesandthecorrespondingvariable
displacementunit,seetheoverviewonpage21.
BoschRexrothAG,RE92076/2026-01-28
24 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Circuit diagrams A4VSO, A4VBO; HS5(P)
▼ Sizes 40 and 71
Example:
A4VSO,A4VBOHS5P(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
U S M
S
R(L)TK
1
K
2
B M
B
B
1
R
KV
(5)
1
3
2
4
S
P
P
U
S
P
I
b
b a
a
P
T
AB
b
b
a
P
T
AB
U S M
S
R(L)TK
1
K
2
B
(5)
M
B
B
1
R
KV
1
3
2
4
S
P
P
U
S
P
I
a
▼ Sizes 125 to 370
Example:
A4VSO,A4VBOHS5P(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
U S R
5
M
S
M
1
M
2
R
6
R
7
R
2
R
3
R
4
R(L)TK
1
K
2
B
(5)
M
B
B
1
R
KV
3
2
4
S
P
P
1
U
S
P
I
b
b
a
P
T
AB
a
B
U S R
5
M
S
M
1
M
2
R
6
R
7
R
2
R
3
R
4
R(L)TK
1
K
2
1
3
2
(5)
4
S
P
PM
B
B
1
R
KV
U
S
P
I
b
b
a
P
T
AB
a
1 PumpwithhydrauliccontroldeviceA4VSO
(seedatasheet92050),A4VBO(seedatasheet92122)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
40to180 4WRPH6CA24L-2X/G24Z4/V-855
250/260,355/370 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
40,125and180 AWAX004D03
71 AWAX004D02withspacer
250/260,355/370 AWAX004D02
withroundconnector4-pinM12×1
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSO
andA4VBO,1pressuretransducerisassignedtoandmounted
onthepressureside.
Notice about de-energized valve!
Open circuit
▶ Incaseofenergyuctuationsand/orenergyfailure,
theaxialpistonunitwillreturnintothebasicposition
V
gmin
ifthecontrolpressuresupplyissufcient.
Limitationoftheminimumdisplacementleadsto
torqueintheapplication
RE92076/2026-01-28,BoschRexrothAG
25 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Circuit diagrams A4VSO, A4VBO; HS5(P)
▼ Sizes 450 to 1000
Example:
A4VSO,A4VBOHS5P(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
(5)
3
2
4
1
U
S
R
5
R
6
R
7
R
2
R
3
R
4
U
BB
1
M
B
M
B1
R(L)TK
2
K
1
M
S
S
P
M
p
M
A
M
B2
Rkv
ab
ab
B A
PT
P
I
(5)
3
2
4
1
U
S
M
B
BB
1
M
B1
R
5
R
6
R
7
R
2
R
3
R
4
U
R(L)TK
2
K
1
M
S
S
ab
ab
B A
PT
P
I
P
M
p
M
A
M
B2
Rkv
1 PumpwithhydrauliccontroldeviceA4VSO
(seedatasheet92050),A4VBO(seedatasheet92122)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
450to1000 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
450to1000 AWAX004D02
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG
andA4CSG,1pressuretransducerisassignedtoandmounted
ontherespectivepressureside.
Notice about de-energized valve!
Open circuit
▶ Incaseofenergyuctuationsand/orenergyfailure,
theaxialpistonunitwillreturnintothebasicposition
V
gmin
ifthecontrolpressuresupplyissufcient.
Limitationoftheminimumdisplacementleadsto
torqueintheapplication
BoschRexrothAG,RE92076/2026-01-28
26 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Circuit diagrams A20VO; HS5(P)
▼ Size 520
Example:
A20VOHS5P(withpressuretransducer)
Clockwiserotation
B
4
B
3
M
B3
M
B5
Rkv
1
M
B6
Rkv
2
M
B4
M
B2
M
B1
B
1
B
2
M
p1
P
1
M
A1
M
p2
P
2
M
A2
U
2
T
2
K
3
K
4
S M
S
U
1
R(L)
T
1
K
2
K
1
R
5
R
7
R
6
R
4
R
2
R
3
R
2
R
4
R
3
R
7
R
5
R
6
P
I
U
S
a b
a b
BA
P T
P
I
U
S
ab
ab
B A
PT
2
4
2
4
(5)
1
(5)
3
3
1
1 Pumpwithhydrauliccontroldevice
A20VO(seedatasheet93100)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
520 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
520 AWAX004D02
4 Intermediateplate
-
TheR
KV1, 2
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG
andA4CSG,1pressuretransducerisassignedtoandmounted
ontherespectivepressureside.
Notice about de-energized valve!
Open circuit
▶ Incaseofenergyuctuationsand/orenergyfailure,
theaxialpistonunitwillreturnintothebasicposition
V
gmin
ifthecontrolpressuresupplyissufcient.
Limitationoftheminimumdisplacementleadsto
torqueintheapplication
RE92076/2026-01-28,BoschRexrothAG
27 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Circuit diagrams A4VHO HS5
▼ Size450
Clockwiserotation Counter-clockwiserotation
U S R
5
U
1
R
6
R
7
R
2
R
3
R
4
R(L)TK
1
K
2
B M
B1
M
B2
M
p
P
M
A
B
1
R
KV
2
4
3
1
b
b
a
P
U
S
T
AB
a
U S R
5
U
1
R
6
R
7
R
2
R
3
R
4
R(L)TK
1
K
2
B M
B1
M
B2
B
1
R
KV
M
p
P
M
A
2
4
3
1
U
S
ab
ab
B A
PT
1 Pumpwithhydrauliccontroldevice
A4VHO(seedatasheet92160)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
450 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
450 AWAX004D02
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
Notice about de-energized valve!
Open circuit
▶ Incaseofenergyuctuationsand/orenergyfailure,
theaxialpistonunitwillreturnintothebasicposition
V
gmin
ifthecontrolpressuresupplyissufcient.
Limitationoftheminimumdisplacementleadsto
torqueintheapplication
BoschRexrothAG,RE92076/2026-01-28
28 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Circuit diagrams A4VSG; HS5(P)
▼ Sizes 40 and 71
Example:
A4VSGHS5P(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
(5)
(5)
3
2
4
1
U
R(L)TK
2
K
3
P
S
p
U
S
P
I
P
I
ab
ab
B A
PTAB
E
M
A
M
B
Rkv
(5)
(5)
3
2
4
1
U
R(L)TK
2
K
3
P
S
p
U
S
P
I
P
I
ab
ab
B A
PT
AB
E
M
A
M
B
Rkv
▼ Sizes 125 to 355
Example:
A4VSGHS5P(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
(5)
(5)
3
4
1
U
S
P
I
P
I
ab
ab
B A
PT
P
S
p
E
M
A
M
B
Rkv
R
5
R
6
R
7
R
2
R
3
R
4
U
M
2
M
1
R(L)K
2
K
3
T
(5)
(5)
3
2
4
1
U
S
ab
ab
B A
PT
AB
E
M
B
P
S
p
M
A
Rkv
P
I
P
I
R
5
R
6
R
7
R
2
R
3
R
4
U
M
2
M
1
R(L)K
2
K
3
T
1 Pumpwithhydrauliccontroldevice
A4VSG(seedatasheet92100)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
40to180 4WRPH6CA24L-2X/G24Z4/V-855
250,355 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
40,125and180 AWAX004D03
71 AWAX004D02withspacer
250,355 AWAX004D02
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG,
eachpressuresidehas1pressuretransducerassignedand
mounted.
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
RE92076/2026-01-28,BoschRexrothAG
29 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(P)–electrohydrauliccontrolwithcontrolvalve
▼ Sizes 500 to 1000
Example:
A4VSGHS5P(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
B A
E
U R
5
R
6
R
7
R
2
R
3
R
4
R(L)TK
3
K
2
(5)
(5)
P
M
B1
M
A1
M
A2
M
P
M
B2
R
KV
1
3
2
4
U
S
P
I
P
I
b
b
a
P
T
AB
a
B A
E
U R
5
R
6
R
7
R
2
R
3
R
4
R(L)TK
3
K
2
(5)
(5)
P
M
B1
M
A1
M
A2
M
P
M
B2
R
KV
1
3
2
4
U
S
P
I
P
I
b
b
a
P
T
AB
a
1 Pumpwithhydrauliccontroldevice
A4VSG(seedatasheet92100)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
500to1000 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
500to1000 AWAX004D02
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG
andA4CSG,eachpressuresidehas1pressuretransduceras
-
signed
andmounted
Ports
P Controlpressureport
S
P
Controlpressureport
R
KV
Controlpressureuidreturnport
M
…
Measuringport,controlpressure
R
2
…R
7
Airbleedportcontrol
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
BoschRexrothAG,RE92076/2026-01-28
30 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Circuit diagrams A4CSG; HS5(P)
▼ Sizes 250 to 355
Example:
A4CSGHS5P(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
Only
HS5Pcontrolshown
U
S
S
p
P
R
kv
M
S
S
U
B AM
B
M
A
K
1
M
E3
M
ABP
K
4
M
K4
R
5
R
6
R
7
R
2
R
3
R
4
M
2
M
1
R(L)TK
2
K
3
ab
ab
B A
PT
P
I
P
I
(5)
(5)
3
2
4
1
M
1
U
S
R
kv
M
S
SR
5
R
6
R
7
R
2
R
3
R
4
M
2
ab
ab
B A
PT
3
2
4
1
P
S
p
1 PumpwithhydrauliccontroldeviceA4CSG
(seedatasheet92105)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
250,355 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
250,355 AWAX004D02
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG
andA4CSG,1pressuretransducerisassignedtoandmounted
ontherespectivepressureside.
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
RE92076/2026-01-28,BoschRexrothAG
31 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Circuit diagrams A4CSG; HS5(P)
▼ Sizes 500 to 750
Example:
A4CSGHS5P(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
Only
HS5Pcontrolshown
B AM
B
M
A
K
1
M
E3
K
4
M
K4
a
b
a
b
B A
PT
P
I
P
I
(5)
(5)
3
2
4
1
U
S
P
M
p
M
A2
M
B2
Rkv
R
2
R
3
R
4
R
7
R
6
R
5
U
R(L)TK
3
K
2
M
AB
S M
S
a
b
a
b
B A
PT
3
2
4
1
P
M
p
M
A2
M
B2
Rkv
R
2
R
3
R
4
S M
S
U
S
1 Pumpwithhydrauliccontroldevice
A4CSG(seedatasheet92105)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
500,750 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
500,750 AWAX004D02
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG
andA4CSG,1pressuretransducerisassignedtoandmounted
ontherespectivepressureside.
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
BoschRexrothAG,RE92076/2026-01-28
32 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Circuit diagrams A4VZA; HS5
▼ Size71 ▼ Size 180
Bi-directionaldirectionofrotation Bi-directionaldirectionofrotation
1
2
3
B A
T P
ab
U
U
2
M
B
M
A
R(L)
U
1
A
BS
P
R
KV
M
SA
M
SB
M
SP
M
RKV
T
T
P
P
SB
B
SA
A
R(L)TK
2
K
3
1
2
3
B A
T P
ab
R(L)
1
AU
1
S
p
B
M
8
Rkv
M
A
R(L)M
2
M
1
UM
sp
M
B
R
7
R
6
R
5
R
4
R
3
R
2
T PB A
T PB A
T PS
B
S
A
1 Pumpwithhydrauliccontroldevice
A4VZA(seedatasheet92115)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
71 4WRPH6CA24L-2X/G24Z4/V-855
180 4WRPH6CA24L-2X/G24Z4/V-855
3 Inductivepositiontransducer
NG Type
71 AWAX004D02
180 AWAX004D03
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
RE92076/2026-01-28,BoschRexrothAG
33 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Dimensions [mm]
Dimensions of A4VSO, A4VBO, A4VSG HS5(P) (fordimensionsofA4VZA71,seedatasheet92115)
▼ Sizes 40 and 71; example: A4VSO HS5P with pressure transducer in B(clockwiserotationwith;counter-clockwisewithoutHM20)
WithA4VSOandA4VBOcounter-clockwiseandclockwiserotation,partlydifferentcomponentsanddimensions.
With
A4VSG,thedimensions"L"applyforbothdirectionsofrotation.
B
B
Einschraubloch M33
A
5
A
8
A
9
A
10
A
6
A
10L
A
6L
S
P
S
P
R
KV
R
KV
P
P
R(L)
L
R
15°0°15°
(5)
A
2
A
2L
A
3
A
7
A
4
A
1
30
2
3
1
4
R
KV
W
A
5L
A
8L
A
3L
A
7L
A
4L
2
3
1
4
R
KV
A
9L
tomountingface tomountingface
tomountingface
tomountingface
Transportlock
▼DetailW clockwise rotation
▼ Clockwise rotation
▼ Counter-clockwise
rotation
▼DetailW counter-clockwiserotation
Withpressuretransducer,position5:
Intermediateangewiththrough
holes(dimensionsdependentonNG)
forxingscrews(forfastening
threads,seerelevantpumpdata
sheet)
Valvemountingwith
A4VSG
A4VSOforclockwise rotation
A4VBOforclockwise rotation
Valvemountingwith
A4VSOforcounter-clockwise rotation
A4VBOforcounter-clockwise rotation
NG A
1
A
2
A
2L
A
3
A
3L
A
4
A
4L
A
5
A
5L
A
6(L)
A
7
A
7L
A
8
A
8L
A
9
A
9L
A
10(L)
40 296 110.3 104 251 232 222 229.5 108 107 48 273 253 128 94 30 0 48
71 332 105.3 107.1 268 249 249 256.5 123 122 48.4 300 280 143 109 30 0 49.6
Fordetaileddimensionsandtechnicaldataforthevariablepump,seedatasheets92050(A4VSO),92122(A4VBO)or92100(A4VSG)
Ports Standard
1)
Size p
max
[bar]
2)
State
3)
P Controlpressureport DIN3852-1 M22×1.5;14deep 350 O
S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
1) ISO6149withA4VBO71
2) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
3) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
Forkey,seepage24
BoschRexrothAG,RE92076/2026-01-28
34 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Dimensions [mm]
▼ Size 125 to 370, example A4VSO, A4VBO HS5P with apressure transducer on port B
WithA4VSOandA4VBO,thedimensionA
4
isdifferentforclockwiseandcounter-clockwiserotation.
With
A4VSGandA4CSG,dimensionA
4R
(clockwise)appliesforbothdirectionsofrotation.(FordimensionsofA4VZA180,seedatasheet92115)
DetailW
30
B
M12 (x1.75)
Einschraubloch M33
A
2
A
2
A
6
A
6
A
1
S
P
R
KV
P
R(L)
L
R
15°0°15°
W
A
5
A
8
A
3
A
7
A
4R
(A
4L
)
2
3
1
P
(S
P
)
4
R
KV
(5)
tomountingface
tomountingface
Transportlock
Withpressuretransducer,position5:
Intermediateangewiththroughholes
(dimensionsdependentonNG)forxing
screws(forfasteningthreads,seerelevant
pumpdatasheet)
Valvemountingwith
A4VSG
A4CSG
A4VSOforclockwiserotation
A4VBOforclockwiserotation
NG A
1
A
3
A
4R
A
4L
A
5
A
6
A
7
A
8
125/180 402 286 310 318.5 156 39 350 148 Fordetaileddimensionsandtechnicaldataforthe
variablepump,seedatasheet92050(A4VSO),
92122(A4VBO),92100(A4VSG)or92105(A4CSG)
250/260/355/370 485 322 372 380.5 192 39 412 184
Ports Standard
1)
Size p
max
[bar]
2)
State
3)
P Controlpressureport DIN3852-1 M22×1.5;14deep 350 O
S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
M
1,
M
2
Measuringport,controlpressure DIN3852-1
M14×1.5;12deep(NG125and180)
M18×1.5;12deep(NG250and355(370))
350
350
X
X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M10×1;8deep 350 X
Forkey,seepage24
1) ISO6149withA4VBO71
2) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
3) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
Valvemountingwith
A4VSOforcounter-clockwiserotation
A4VBOforcounter-clockwiserotation
RE92076/2026-01-28,BoschRexrothAG
35 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Dimensions [mm]
▼ A4VSO, A4VBO, A4VSG and A4CSG, sizes 500 to 1000(fordimensionsofA4VHO,seedatasheet92160)
Example
A4VSGHS5PwithtwopressuretransducersonportB
L
R
15 15 0
R
3
R
2
R(L)
A
1
A
3
A
5
R
5
R
6
30
A
6
R
KV
P
M
A
A
4
A
2
R
7
/R
4
4
3
1
2
M
B2
M
P
M14 (x2)
B
A
(5)
tomountingfacewith
tomountingface
counter-clockwiserotationA
3
=A
5
Transportlock
Withpressuretransducer,position5:
Intermediateangewiththroughholes
(dimensionsdependentonNG)forxing
screws(forfasteningthreads,seerelevant
pumpdatasheet)
Valvemountingwith
A4VSG
A4CSG
A4VSOforclockwiserotation
A4VBO,A4VHOclockwise
rotation
Valvemountingwith
A4VSOforcounter-clockwise
rotation
A4VBO,A4VHOcounter-
clockwiserotation
NG A
1
A
2
A
3
A
4
A
5
A
6
500
(450withA4VBO)
555 363 392 274 388 50 Fordetaileddimensionsandtechnicaldataforthe
variablepump,seedatasheet92050(A4VSO),92122
(A4VBO),92100(A4VSG)or92105(A4CSG)
750 630 402 424 304 420 50
1000 670 429 490 327 486 50
Ports Standard
1)
Size p
max
[bar]
2)
State
3)
P Controlpressureport DIN3852-1 M27×2;16deep 350 O
R
KV
Controlpressureuidreturnport DIN3852-1 M27×2;16deep 4 O
M
A2
,M
B2
,M
P
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 350 X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;12deep 350 X
TheR
KV
portmustbeunloadedtothereservoir.
Forkey,seepage28andsubsequentpages
1) ISO6149withA4VBO71
2) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
3) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
36 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(P)–electrohydrauliccontrolwithcontrolvalve
Dimensions [mm]
▼ A20VO(seedatasheet93100)
Example
A20VOHS5PwithtwopressuretransducersonportB,clockwiserotationFordetaileddimensionsandtechnicaldataofthe
variablepump,seedatasheet93100(A20VO)
109
363
M
B6
M
P2
P
2
R
kv2
V
g max
V
g min
R
2,3,4
R
5,6,7
M
A1
P
1
R
kv1
V
g min
V
g max
R
2,3,4
R
5,6,7
B4 B2
M
A2
M
P1
M
B5
R(L)
K
1
MS
B4 B2
MB4 MB2
K
3
555
716
3)
279
3)
109
113
B
2
B
4
B
1
B
3
113
Ports Standard Size p
max
[bar]
1)
State
2)
P
1
, P
2
Controlpressureport DIN3852-1 M27×2;16deep 350 O
R
KV1
,
R
KV2
Controlpressureuidreturnport DIN3852-1 M27×2;16deep 4 O
M
A2
,M
B6
,M
P2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 350 X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;12deep 350 X
TheR
KV1, 2
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscan
occur.Keepthisinmindwhenselectingmeasuringdevicesand
ttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
3) Tomountingange
RE92076/2026-01-28,BoschRexrothAG
37 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5M–suitableforuseinuid
HS5M – suitable for use in uid
Type NG 40 71 125 180 250 260 355 370 450 500 750 1000
A4VSO ● ● ● ● ▲ ● – ● – ● ● ●
HS5MA4VBO – ● ● – ● – – – ● – – –
A4VSG ● ● ● ● ● – ● – – ● ● ●
ThevariantHS5McorrespondstotheHS5version,
butwithoutproportionalvalve,butwithpilotpressure
portsX
1
andX
2
.
Theproportionalvalvecanbepositionedseparatelyinthe
systemandpipedupviathedesignatedportsX
1
andX
2
of
thepump.
Theunitcanbeinstalledinthereservoirtogetherwiththe
directlymountedpositiontransducer.
Approved
forHLPuidsDIN51524.
Recommendation
▶ Directionalcontrolvalve4WRPH6,seedatasheet29027
▶ ElectronicsVT-HPC-1-1Xseedatasheet30237
▶ Forcables,seedatasheet30237-B
Mechanical minimum andmaximum swivel angle
limitation
Displacement (setting range)
Product NG minimum in
B
2)
maximum in
B
maximum in
A
A4VSO 40…370,
750,1000
0%
2)
50…100
1)
% –
500 0%
2)
70…100
1)
% –
A4VBO 71…450 0%
2)
75…100
1)
% –
A4VSG 40…1000 – 50…100
1)
% 50…100
1)
%
▼ Flow direction in closed circuit
Direction of rotation Swiveling range
3)
Clockwise Counter-clockwise
B to A A to B Clockwise
A to B B to A Counter-clockwise
▼ Flow direction in open circuit
Direction of rotation Swiveling range
3)
Clockwise Counter-clockwise
S to B Counter-clockwise
S to B Clockwise
Technical data inductive position transducer AWAX
Temperaturerange -25°Cto+80°C
ForAWAX004D02andAWAX004D03
Typeofprotection IPX7DINVDE0470-EN60529
Typicaltemperaturedrift 0.05%/K(basedonthetotaloutput
voltageswing)
Vibrationresistance 10gsine;10gnoise;15gshock
Useinuid ApprovedforHLPD46
(withinstalledmatingconnector)
Sealingmaterial FKM
Technical data HS5M
Size NG 40 71 125 180 250 260 355 370 450 500 750 1000
Control
pressure
(inX
1
/X
2
)
A4VSO p
min
bar 50 50 50 100 100 100 – 100 – 125 125 125
A4VSG p
min
bar 50 50 50 100 100 – 100 – – 125 125 125
A4VBO p
min
bar – 100 100 – – – – – 160 – – –
p
max
1)
bar 350 350 350 350 350 350 350 350 350 350 350 350
Controlstroke s
max
mm 14.2 17.1 20.7 20.7 25.9 26.75 25.9 26.75 29.34 32.6 37.0 41.4
Controlarea
A
cm
2
8.1 12.6 18.1 18.1 28.3 28.3 28.3 28.3 38.2 38.2 56.8 63.6
Controlvolume V
Smax
cm
3
11.4 21.5 37.5 37.5 73.2 75.7 73.2 75.7 112.1 124.5 210 263.3
Weight(approx.)(A4VS…
HS5M…N00)
m
kg 38 55 92 106 184 184 214 214 – 327 470 600
Weight(approx.)(A4VBO…
HS5M…N00)
m
kg – 65 100 – 195 – – – 390 – – –
1) Defaultsetting,pleasespecifyothersettingswhenordering
2) TheV
gmin
stopissettoV
g
=0l/minatP
HD
=20barbydefault
setting,i.e.thepressureis20barwhenportBisclosed,other
valuesonrequest.
3) Seeswivelangleindicator
15° 15° 0°
CW
CCW
BoschRexrothAG,RE92076/2026-01-28
38 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5M–suitableforuseinuid
Circuit diagrams HS5M
▼ Sizes 40 to 1000 for A4VSO, A4VBO and A4VSG
Example:
A4VSO…HS5M,size 125 to 1000
Clockwiserotation Counter-clockwiserotation
U S M
S
R(L)TK
1
R
7
R
4
R
3
R
2
R
6
R
5
K
2
B M
B
B
1
X
1
X
2
1
2
3
U
S
b
b
a
P
T
AB
a
U S M
S
R(L)TK
1
R
7
R
4
R
3
R
2
R
6
R
5
K
2
B M
B
B
1
X
1
X
2
1
2
3
U
S
b
b
a
P
T
AB
a
1 Pumpwithhydrauliccontroldevice
A4VSO
(seedatasheet92050),
A4VBO
(seedatasheet92122)
2 Inductivepositiontransducer:
NG Type
40,125and180 AWAX004D03
71 AWAX004D02withspacer
250to1000 AWAX004D02
withroundconnector4-pinM12×1
3 Portplate
Ports
X
1
Controlpressureport
X
2
Controlpressureport
R
2
…R
7
Airbleedportcontrol(NG125to1000)
Information regarding position transducer AWAX
▶ Thepositiontransducermustbefullyconnected
beforethecurrentissupplied.Observe
commissioninginstructions30237-BfortheVT-HPC.
▶ FortechnicaldataontheAWAXpositiontransducer,
seepage18.
RE92076/2026-01-28,BoschRexrothAG
39 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5M–suitableforuseinuid
Dimensions [mm]
Dimensions HS5M
▼ A4VSO, A4VBO and A4VSG, size 40, 71, 500 and 750
R
L
15°0°15°
15°0°15°
B
W
A
4
A
2
A
4
A
2
3
3
X
1
X
2
A
3
A
1
A
5
A
1
A
3
A
5
X
1
X
2
DetailW
▼ NG 40 … 71 ▼ NG 500 … 750
NG A
1
A
2
A
3
A
4
A
5
40 296 223.7 28 104 218
Fordetaileddimensionsandtechnicaldataforthevariable
pump,seedatasheet92050(A4VSO),92100(A4VSG)or
92105(A4CSG)
71 332 243 28 120 245
500 555 363 224 205 399
750 630 400 224 235 431
Ports Standard Size p
max
[bar]
1)
State
2)
X
1
, X
2
Controlpressureport DIN3852-1 M14×1.5;12deep(NG40and71)
M22×1.5;14deep(NG500)
350
350
O
O
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
Forkey,seepage38
BoschRexrothAG,RE92076/2026-01-28
40 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5M–suitableforuseinuid
Dimensions [mm]
▼ A4VSO, A4VSG, sizes 125 to 355
R
L
15°0°15°
B
X
1
X
2
1
2
3
R(L)
A
3
A
3
A
1
A
4
A
5
A
2
NG A
1
A
2
A
3
A
4
A
5
125/180 402 272 67 186.5 251
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO),92100(A4VSG)or92105(A4CSG)
250/260/355/370 485 318.2 71 233 310.5
Ports Standard Size p
max
[bar]
1)
State
2)
X
1
, X
2
Controlpressureport DIN3852-1
M14×1.5;12deep(NG125and180)
M18×1.5;12deep(NG250,260and
355)
350
350
O
O
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
Forkey,seepage38
RE92076/2026-01-28,BoschRexrothAG
41 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5V(P)–controlwithinternalcontrolpressuresupplyforopencircuit
HS5V(P) – control with internal control pressure supply for open circuit
Type NG 40 71 125 180 250 260 355 370 450 500 750 1000
A4VSO ● ● ● ● ▲ ● – ● – – – –
HS5V(P)
A4VBO – ● ● – ● – – – – – – –
ThevariantHS5VcorrespondstotheHS5design,
butwithinternalcontrolpressuresupply,differential
strokingpistonsanddepressurizedbasicsettingV
gmax
.
Thisremovestheneedforanexternalcontrolpressure
supply.Thecontrolpressuresupplytakesplacedirectly
fromthehighpressure.
Withtheelectricmotorswitchedoffandactuatorsystem
depressurized,thepumpswivelstomaximum
displacement(V
gmax
)throughspringforce.
Forreliablecontrol,thesystempressuremustbeat
least20bar.
Atsystempressuresbelow20bar,useapreloadblockto
generatetherequiredcontrolpower.
Youneedtocontactusforaspecicapplication.
Tocontrolsystempressuresbelow20bar,apressure
sensormustbeplacedonthesystemside(behindoron
thedownstreamsideofthepreloadblock).Option"P"
canbeusedforthis.
▶ Optional(HS5VP):withpressuretransducer
Basic position de-energized
Withade-energizedproportionalvalveandplugged
pumpoutlet,thepumpswitchestominimumpressure
(6to10bar).
Electronics:
▶ VT-HPC-1-1X,seedatasheet30237
Swiveling range
Asaspecialfeature,thepumpcanswitchtheow
direction.Thisfeatureofswitchingovertheneutral
positionenablesaquickdecompressionviathepump.
Thereversaloftheowdirectionislimitedtotheduration
ofthedecompression(andshouldnotexceed0.5s).
Continuousoperationinthereverseowdirectioncan
resultindamagetotheunit.
Information regarding position transducer AWAX
▶ Thepositiontransducermustbefullyconnected
beforethecurrentissupplied.Observe
commissioninginstructions30237-BfortheVT-HPC.
▶ FortechnicaldataontheAWAXpositiontransducer,
seepage18.
▼ Dynamic characteristic curve for decompression via the pump
100
0
50
-50
0
80
160
240
Timet
α
act
p
set
1
p
act
Pressurep [bar] Swivelangleα [%]
Technical data HS5V(P)
Size NG 40 to 370
MaximumworkingpressureA4VSO p
max
1)
bar 350
NominalpressureA4VBO p
nom
bar 450
Minimumworkingpressure(standard) p
min
bar 20
ForNG370withportplate36 p
min
bar 40
Circuit diagram HS5VP sizes40and71
▼ Example:A4VSOHS5VP(withpressuretransducer)
5
3
2
1
R(L)TK
2
K
1
M
2
M
1
M
S
SU
U
S
b
b
a
P
T
A B
a
B
M
B
B
1
P
I
Mechanical min. andmax. swivel angle limitation
Displacement (setting range)
Product NG maximum in B
A4VSO 40…370 50…100
2)
%
A4VBO 71…250 75…100
2)
%
1) Duetothepermissibledataoftheproportionalvalve
2) Defaultsetting,pleasespecifyothersettingswhenordering
BoschRexrothAG,RE92076/2026-01-28
42 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5V(P)–controlwithinternalcontrolpressuresupplyforopencircuit
▼ Sizes 250, 260, 355 and 370
Example:
A4VSOHS5VPwithpreloadblockAGEV4-05728-AA/46
6
5
3
2
4
1
R(L)TK
2
K
1
M
S
S M
2
M
1
U
U
S
b
b
a
P
T
A B
a
Y
M
1
M
2
B
M
B
B
1
P
I
Notincludedinthescopeofdelivery
1 Pumpwithhydrauliccontroldevice
A4VSO(seedatasheet92050)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
40to180 4WRPH6CA24L-2X/G24Z4/V-855
250/260and
355/370
4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer:
NG Type
40,125and180 AWAX004D03
71 AWAX004D02andspacer
250/260to
355/370
AWAX004D02
4 Intermediateplate
5 Preloadblock
6 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange.
ToensurethefunctionalreliabilityfortheHS5V(P)control
system,theoperatinguidmusthaveamin.cleanliness
levelof18/16/13asdenedinISO4406.
Notice about de-energized valve!
Open circuit
▶ Withade-energizedproportionalvalveandavailable
loadpressure(>20bar),thepumpswivelsat:
–StandardversionA4VSOandA4VBOtoswivel
angleα=-100%
▼ Sizes 71, 125, 250
Example:
A4VBO…HS5V,sizes 71, 125, 250
4
2
3
1
R(L)TK
2
K
1
M
S
S M
2
M
1
B
1
B M
B
U
U
S
b
b
a
P
T
A B
a
1 Pumpwithhydrauliccontroldevice
A4VBO(seedatasheet92122)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
71to125 4WRPH6CA24L-2X/G24Z4/V-855
250 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer:
NG Type
125 AWAX004D03
71 AWAX004D02andspacer
250 AWAX004D02
4 Pressurereliefvalve
RE92076/2026-01-28,BoschRexrothAG
43 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5V(P)–controlwithinternalcontrolpressuresupplyforopencircuit
Dimensions [mm]
Dimensions HS5V
▼ A4VSO, size 40 to 355
R
L
15°0°15°
B
A
3
A
3
A
4
A
4
1
1
2
3
4
B
2
3
R(L)
M
2
M
1
A
1
A
2
A
1
A
2
M
2
M
1
L
R
0
15° 15°
▼ Sizes 40 to 71
▼ Sizes 125 to 355
Valvemountingwith
A4VSOforclockwiserotation
Valvemountingwith
A4VSOforclockwiserotation
Valvemountingwith
A4VSOforcounter-clockwise
rotation
Valvemountingwith
A4VSOforcounter-clockwiserotation
NG A
1
A
2
A
3
A
4
40 130 104 224 281
Fordetaileddimensionsandtechnicaldataofthevariablepump,
seedatasheet92050(A4VSO)
71 148 126 244.7 309
125 177 147 271 375
180 177 147 271 375
250/260/355/370 212 179 309 433
Ports Standard Size p
max
[bar]
1)
State
2)
M
1
, M
2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep(size40to71)
M18×1.5;12deep(size125to355)
350 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
Forkey,seepage41
BoschRexrothAG,RE92076/2026-01-28
44 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5V(P)–controlwithinternalcontrolpressuresupplyforopencircuit
Dimensions [mm]
Dimensions HS5V
▼ A4VBO, size 71
Valvemountingwith
A4VBOforclockwiserotation
Valvemountingwith
A4VBOforcounter-clockwiserotation
1
3
2
A
4
A
1
A
2
B
M
1
M
2
B
A
3
L
R
NG A
1
A
2
A
3
A
4
71 148 126 244.7 343
Fordetaileddimensionsandtechnicaldataofthevariablepump,
seedatasheet92122(A4VBO)
125
Onrequest
250
Ports Standard Size p
max
[bar]
1)
State
2)
M
1
, M
2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep(size40to71)
M18×1.5;12deep(size125to355)
350 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
45 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5L(P)–controlwithinternalcontrolpressuresupplyforA4CSG
HS5L(P) – control with internal control pressure supply for A4CSG
Type NG 250 355 500 750
A4CSG ● ● ● ● HS5L(P)
TheHS5LvariantcorrespondstotheHS5version
butwithinternalcontrolpressuresupplyintheclosed
circuit.Witharotatingpumpandnotactivecontrol
(valvede-energized),thepumpswivelsto‒V
gmax
bythe
boostpressure.Thecontrolpressuresupplytakesplace
directlyfromthehighpressureorboostpressure.
Thisremovestheneedforanexternalcontrolpressure
supply.Withtheelectricmotorswitchedoffandactuator
systemdepressurized,thepumpswivelsto0%swivel
anglethroughspring-centering.
▶ Optional(HS5LP):withtwopressuretransducers
Notices
▶ Thespringfeedbackinthecontrollerandpump
controlspringcenteringarenosafetydevices.
Thecontrollercanstickinanundenedpositiondue
tointernalcontamination(contaminatedhydraulic
uid,abrasionorresidualcontaminationfromsystem
components).Asaresult,theowintheaxialpiston
unitwillnolongerrespondcorrectlytotheoperator's
specications.Checkwhethertheapplicationon
yourmachinerequiresadditionalsafetymeasures
tobringthedrivenconsumertoasafeposition
(immediatestop).
Forsafecontrol,thecontrolpressuremustbetwice
theboostpressure(forNG355+5bar).Seealsoboost
pressuresindatasheet92105.
ToensurethefunctionalreliabilityfortheHS5L(P)control
system,theoperatinguidmusthaveamin.cleanliness
levelof18/16/13asdenedinISO4406.
Furtherdetailsandinformationontherequiredcleanliness
levelofthehydraulicuidcanbefoundintheoperating
instructions92076-01-B.
Notices
▶ Tosetthe"System/Control,"selectHS5in
IndraWorksDSinthewindow(SystemPump
Controller->)"Pump/DriveMotor"or,alternatively,
setparameterP-0-2989bit2to"1."
Information regarding position transducer AWAX
▶ Thepositiontransducermustbefullyconnected
beforethecurrentissupplied.Observecommissioning
instructions30237-BfortheVT-HPC.
▶ FortechnicaldataontheAWAXpositiontransducer,
seepage18.
Technical data HS5L(P)
Size NG 250 to 750
Maximumworkingpressure p
max
1)
bar 350
Minimumworkingpressure p
min
bar 20
Minimumrequiredcontrol
pressure
p
min
bar Doubleboostpressure
+5barforsize355
▼ Circuit diagram HS5L, sizes 500 and 750
Example:
A4CSG500HS5L
4
2
1
Rkv
K
4
M
K4
R
2
R
3
R
4
R
7
R
6
R
5
U
B AM
B1
M
A1
K
1
R(L)TK
3
K
2
M
E3
M
AB
E
2
E
1
S M
S
M
B2
M
A2
b
b
a
P
T
AB
a
3
U
S
1 PumpwithhydrauliccontroldeviceA4CSG
(seedatasheet92105)
2 4WRPH6CA40L-2X/G24Z4/V-855(seedatasheet29027)
3 InductivepositiontransducerAWAX004D02
4 Intermediateplate
▼ Flow direction in closed circuit
Direction of rotation Swiveling range
Clockwise Counter-clockwise
B to A A to B Clockwise
15° 15° 0°
CW
CCW
A to B B to A Counter-
clockwise
Mechanical min. andmax. swivel angle limitation
Displacement (setting range)
Product NG maximum in B maximum in A
A4CSG 250…750 50…100
2)
% 50…100
2)
%
1) Higherpressuresonrequest
2) Defaultsetting,pleasespecifyothersettingswhenordering
BoschRexrothAG,RE92076/2026-01-28
46 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5L(P)–controlwithinternalcontrolpressuresupplyforA4CSG
Dimensions HS5L
▼ Size 250 to 355, example A4CSG HS5LP with two pressure transducers on port BandA
DimensionA
4R
appliesforbothdirectionsofrotation
DetailW
B
M12 (x1.75)
Einschraubloch M33
A
2
A
2
A
6
A
6
A
1
S
P
R
KV
P
R(L)
L
R
15°0°15°
W
A
5
A
8
A
3
A
7
A
4
2
3
1
P
(S
P
)
4
R
KV
(5)
tomountingface
tomountingface
Transportlock
Withpressuretransducer,position5:
Intermediateangewiththroughholes
(dimensionsdependentonNG)forxing
screws(forfasteningthreads,seerelevant
pumpdatasheet)
Valvemountingforclockwise
rotation
NG A
1
A
3
A
4
A
5
A
6
A
7
A
8
250/355 485 322 372 192 39 412 184 Fordetaileddimensionsandtechnicaldata,seedatasheet92105
Ports Standard Size p
max
[bar]
1)
State
2)
P Controlpressureport DIN3852-1 M22×1.5;14deep 350 Pipedup
S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
M
1
,M
2
Measuringport,controlpressure DIN3852-1 M18×1.5;12deep 350 X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M10×1;8deep 350 X
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
47 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5L(P)–controlwithinternalcontrolpressuresupplyforA4CSG
Dimensions [mm]
Dimensions HS5L
▼ A4CSG, sizes 500 to 750
Example
A4CSGHS5LPwithtwopressuretransducersonportsB andA
L
R
15 15 0
1
P
3
2
(5)
R
3
R
2
A
1
R
5
R
6
M
AB
M
B1
A
3
M
A2
R
kv
A
2
A
4
R(L)
M
B2
Transportlock
Withpressuretransducer,position5:
Intermediateangewiththroughholes
(dimensionsdependentonNG)forxing
screws(forfasteningthreads,seerelevant
pumpdatasheet)
ValvemountingwithA4CSG
Clockwiserotation
NG A
1
A
2
A
3
A
4
500 555 363 109 274 Fordetaileddimensionsandtechnicaldataofthevariable
pump,seedatasheet92105(A4CSG)
750 Onrequest
Ports Standard
1)
Size p
max
[bar]
1)
State
2)
P Controlpressureport DIN3852-1 M27×2;16deep 350 Pipedup
R
KV
Controlpressureuidreturnport DIN3852-1 M27×2;16deep 4 O
M
A2
,M
B2
,M
P
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 350 X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;12deep 350 X
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
48 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
HS5E(P) – control system with integrated digital electronics (OBE)
Type NG 40 71 125 180 250 260 355 370 450 500 750 1000
A4VSO
● ● ● ● ▲ ●
–
●
–
● ● ●
HS5E(P)
A4VBO
–
● ●
–
●
– – –
●
– – –
A4VSG
● ● ● ● ●
–
●
– –
● ● ●
A4CSG
– – – –
●
–
●
– –
● ●
–
A4VZA
–
○
–
○
– – – – – – – – HS5E
AnaxialpistonvariablepumpwithHS5Eisacomplete
solutionforanentireBoschRexrothpumpcontrolsystem
forelectrohydraulic
▶ Swivelanglecontrol
▶ Pressurecontrol(optionalHS5EP)
▶ Torquelimitation(optionalHS5EP)
andexternalcontrolpressuresupply.
Thecontrolsystemconsistsofthefollowingcomponents:
▶ AxialpistonvariablepumpA4VSO,A4VBO,A4VSG,
A4CSGorA4VZA
▶ DirectionalcontrolvalvewithOnBoardElectronics
▶ Positiontransducerfordetectingpumpswivelangle
▶ Optional(HS5EP):onepressuretransducerwith
A4VSO,A4VBOortwopressuretransducerswith
A4VSG,A4CSG
Machineandsystemdynamicsmustbeoptimizedbythe
systemoperatorusingthepressurecontrolfunction.
Information regarding A4VZA
▶ WithHS5Eandbi-directionalrotation,onlyswivel
anglecontrolispossible.Pressurecontrolandtorque
limitationareonlypossiblewithclockwiserotation.
Spring-centering
Pumpcontrolspringcenteringcomesstandard.Itisused
forsettingandadjustmentinthedepressurizedneutral
position,butwithoutadenedresetduringhigh-pressure
operation.Springcenteringisnotasafetydevice.
Tominimizethecontroluidconsumption,thestroking
chambersaresealedinsizes125to1000andcanbebled
viatheportsR2toR7.
Notices
▶ Thepumpcontrolspringcenteringisnotasafety
device.Thecontrollercanstickinanundened
positionduetointernalcontamination(contaminated
hydraulicuid,abrasionorresidualcontamination
fromsystemcomponents).Asaresult,theowinthe
axialpistonunitwillnolongerrespondcorrectlyto
theoperator'sspecications.Checkwhetherthe
applicationonyourmachinerequiresadditional
safetymeasurestobringthedrivenconsumerto
asafeposition(immediatestop).
Mechanical minimum andmaximum swivel
angle limitation
Displacement (setting range)
Product NG minimum in
B
2)
maximum in
B
maximum in
A
A4VSO 40…370,
750,1000
0%
2)
50…100
1)
% –
500 0%
2)
70…100
1)
% –
A4VBO 71…450 0%
2)
75…100
1)
% –
A4VSG 40…1000 – 50…100
1)
% 50…100
1)
%
A4CSG 250…750 – 50…100
1)
% 50…100
1)
%
A4VZA 71,180 – 50…100
1)
% 50…100
1)
%
Forfurthertechnicaldata,seetable"TechnicaldataHS5(P)"
onpage23.
Toensurethefunctionalreliabilityforthe
HS5E(V)(L)controlsystem,theoperatinguidmust
haveamin.cleanlinesslevelof18/16/13asdenedin
ISO4406.
Furtherdetailsandinformationontherequiredcleanliness
levelofthehydraulicuidcanbefoundintheoperating
instructions92076-01-B.
1) Defaultsetting,pleasespecifyothersettingswhenordering
2) TheV
gmin
stopissettoV
g
=0l/minatP
HD
=20barbydefault
setting,i.e.thepressureis20barwhenportBisclosed,other
valuesonrequest.
RE92076/2026-01-28,BoschRexrothAG
49 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
1) Withouttakingintoaccountthepumppulsation
2) Usingtheintegratedcalibrationfunction
Variable-speed operation
Variable-speedoperationrepresentsanadditionalfunction
allowingthereductionoftherotationalspeedinthe
partialloadrange.Thisprovidesadvantagesinthenoise
behaviorandtotalefciencyoftheaxialpistonunit.
Inthisvariable-speedoperatingmode,dependingonthe
currentoperatingpoint,theoptimumdrivespeedforthe
electricmotoriscalculatedandpassedontothe
converter.Forthispurpose,itisessentialthattheelectric
drivemotorhastheappropriatedynamicsandis
controlledviaaconverter.
Intheconditionasdeliveredfromthefactory,thevariable-
speedoperationisdeactivated.Ifthecontrolsystemshall
workinvariable-speedmode,thisoperatingmodemustbe
activatedandparameterized(seedatasheet30237-Z).
Electrical control loop performance
Swivel angle control Pressure control
1)
Linearitytolerance ≤1.0% ≤1.5%(≤1.0%
2)
)
Temperatureerror ≤0.5%/10K ≤0.5%/10K
Hysteresis ≤0.2% ≤0.2%
Repeataccuracy ≤0.2% ≤0.2%
Connection
▶ 24Vpowersupply
▶ Ambienttemperature-20°Cto60°CHydraulicuid
temperature-20°Cto70°C
▶ LEDstatusindicator
▶ Interfacefor:
EtherNet/IP,SercosIII,EtherCAT,ProNETRT
connection
3
1
2
10
4
5
6
9
8
7
ExampleA4VSsize250
1 Proportionalsolenoid
2 Inductivepositiontransducerforvalveposition
3 X8AActualswivelangleinput
4 Reserved,X2N
5 CongurablesensorinterfaceX2M2(pressuresensorinput)
6 CongurablesensorinterfaceX2M1(pressuresensorinput)
7 Multi-EtherNetinterfaceX7E1
8 Multi-EtherNetinterfaceX7E2
9 Plug-inconnectorXH4
10 VT-SWA-LIN-G15positiontransducer
BoschRexrothAG,RE92076/2026-01-28
50 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
Example: sectional view of A4VSO...HS5E(P)
1
3
2
Circuit diagrams A4VSO, A4VBO HS5EP
▼ Sizes 40 and 71
Example:
A4VSO...HS5EP(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
U S M
S
R(L)TK
1
K
2
B M
B
B
1
R
KV
(5)
1
3
2
4
S
P
P
U
S
P
I
ab
ab
B A
PT
G
U S M
S
R(L)TK
1
K
2
B
(5)
M
B
B
1
R
KV
1
3
2
4
S
P
P
U
S
P
I
a
b
ab
B A
PT
G
1 Pumpwithhydrauliccontroldevice
2 HS5Epilotcontrolvalve
NG Type
40to180 HS5EN/6CA24L-2X/VH0/24MD7G
250to1000 HS5EN/6CA40L-2X/VH0/24MD7G
3 Positiontransducer(seedatasheet30263):
NG Type
40,125and180 VT-SWA-LIN-1X/G15-1-C20
71 VT-SWA-LIN-1X/G15-2-C20
250to1000 VT-SWA-LIN-1X/G15-3-C20
Preferred types (seealsodatasheet90157)
R902569939 A A4VSO125HS5E/30R-VZB25U99
R902569940 A A4VSO190HS5E/30R-VZB25U99
R902569941 AH A4VSO260HS5E/30R-VZB25U99
R902589757 AH A4VSO370HS5EP/30R-VZB36U99
Optional:
▶ HS5EPwithoneortwopressuretransducer(s)for
pressurecontrolandtorquelimitation
RE92076/2026-01-28,BoschRexrothAG
51 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
Circuit diagrams A4VSO, A4VBO HS5EP
▼ Sizes 125 to 500
Example:
A4VSO...HS5EP(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
ab
ab
B A
PT
G
U S R
5
M
S
M
1
M
2
R
6
R
7
R
2
R
3
R
4
R(L)TK
1
K
2
B
(5)
M
B
B
1
R
KV
3
2
4
S
P
P
1
U
S
P
I
B
U S R
5
M
S
M
1
M
2
R
6
R
7
R
2
R
3
R
4
R(L)TK
1
K
2
1
3
2
(5)
4
S
P
PM
B
B
1
R
KV
U
S
P
I
ab
ab
B A
PT
G
1 Pumpwithhydrauliccontroldevice
A4VSO
(seedatasheet92050),A4VBO(seedatasheet92122)
2 PilotcontrolvalveHS5E
3 PositiontransducerVT-SWA-LIN-1X/G15-...-C20
4 Intermediateplate
5 Only with HS5EP:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG
andA4CSG,eachpressuresidehas1pressuretransducer
assignedandmounted
Connection table HS5E
Ports
S Suctionport
B Workingport
P Controlpressureport
S
P
Controlpressureport
R
KV
Controlpressureuidreturnport
M
1
,M
2
Measuringport,controlpressure
R
2
…R
7
Airbleedportcontrol
M
S
Measuringportsuctionpressure
M
B
MeasuringportworkingpressureB
K
1
,K
2
Flushingport
T Flushingport
R(L)
Drainport
U
Flushingportforbearingushing
B
1
2ndworkingport
BoschRexrothAG,RE92076/2026-01-28
52 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
Circuit diagrams A4VSG; HS5E(P)
▼ Sizes 40 and 71
Example:
A4VSGHS5EP(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
1
3
2
4
(5)
(5)
P
I
P
I
E
S
p
P
Rkv
U
R(L)K
2
K
3
T
U
S
M
A
M
B
B A
ab
ab
B A
PT
G
1
3
2
4
(5)
(5)
P
I
P
I
E
S
p
P
Rkv
U
R(L)K
2
K
3
T
U
S
M
A
M
B
B A
ab
ab
B A
PT
G
▼ Sizes 125 to 355
Example:
A4VSGHS5EP(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
1
3
2
4
(5)
(5)
P
I
P
I
S
p
P
Rkv
R
5
R
6
R
7
R
2
R
3
R
4
U
M
2
M
1
R(L)K
2
K
3
T
U
S
E
M
A
M
B
B A
a
b
ab
B A
PT
G
1
3
2
4
(5)
(5)
P
I
P
I
S
p
P
Rkv
R
5
R
6
R
7
R
2
R
3
R
4
U
M
2
M
1
R(L)K
2
K
3
T
U
S
E
M
A
M
B
B A
a
b
ab
B A
PT
G
1 Pumpwithhydrauliccontroldevice
A4VSG(seedatasheet92100)
2 HS5Epilotcontrolvalve
NG Type
40to180 HS5EN/6CA24L-2X/VH0/24MD7G
250to1000 HS5EN/6CA40L-2X/VH0/24MD7G
3 Positiontransducer(seedatasheet30263):
NG Type
40,125and180 VT-SWA-LIN-1X/G15-1-C20
71 VT-SWA-LIN-1X/G15-2-C20
250to1000 VT-SWA-LIN-1X/G15-3-C20
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG,
eachpressuresidehas1pressuretransducerassignedand
mounted.
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
RE92076/2026-01-28,BoschRexrothAG
53 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
▼ Sizes 500 to 1000
Example:
A4VSGHS5EP(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
1
3
2
4
(5)
(5)
P
I
P
I
R
5
R
6
R
7
R
2
R
3
R
4
U
R(L)K
2
K
3
T
U
S
E
M
A1
M
B1
B A
a
b
ab
B A
PT
G
P
M
p
M
A2
M
B2
Rkv
1
3
2
4
(5)
(5)
P
I
P
I
R
5
R
6
R
7
R
2
R
3
R
4
U
R(L)K
2
K
3
T
U
S
E
M
A1
M
B1
B A
a
b
ab
B A
PT
G
P
M
p
M
A2
M
B2
Rkv
1 Pumpwithhydrauliccontroldevice
A4VSG(seedatasheet92100)
2 HS5Epilotcontrolvalve
NG Type
500to1000 HS5EN/6CA40L-2X/VH0/24MD7G
3 Positiontransducer(seedatasheet30263)
NG Type
500to1000 VT-SWA-LIN-1X/G15-3-C20
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG,
eachpressuresidehas1pressuretransducerassignedand
mounted
Ports
P Controlpressureport
S
P
Controlpressureport
R
KV
Controlpressureuidreturnport
M
…
Measuringport,controlpressure
R
2
…R
7
Airbleedportcontrol
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
BoschRexrothAG,RE92076/2026-01-28
54 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
Circuit diagrams A4CSG; HS5E(P)
▼ Sizes 250 to 355
Example:
A4CSGHS5EP(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
Only
HS5E(P)controlshown
U
S
S
p
P
R
kv
M
S
SU
B AM
B
M
A
K
1
M
E3
M
ABP
K
4
M
K4
R
5
R
6
R
7
R
2
R
3
R
4
M
2
M
1
R(L)
TK
2
K
3
E
3
E
2
E
1
a
b
ab
B A
PT
G
P
I
P
I
1
3
2
4
(5)
(5)
U
S
S
p
P
R
kv
M
S
SR
5
R
6
R
7
R
2
R
3
R
4
M
2
M
1
E
2
E
1
a
b
ab
B A
PT
G
1
3
2
4
1 Pumpwithhydrauliccontroldevice
A4CSG(seedatasheet92105)
2 HS5Epilotcontrolvalve
NG Type
250,355 HS5EN/6CA40L-2X/VH0/24MD7G
3 Positiontransducer(seedatasheet30263)
NG Type
250,355 VT-SWA-LIN-1X/G15-3-C20
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4CSG,
1pressuretransducerisassignedtoandmountedonthe
respectivepressureside.
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
RE92076/2026-01-28,BoschRexrothAG
55 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
Circuit diagrams A4CSG; HS5E(P)
▼ Sizes 500 to 750
Example:
A4CSGHS5EP(withpressuretransducer)
Clockwiserotation Counter-clockwiserotation
Only
HS5E(P)controlshown
1
3
2
4
(5) (5)
P
M
p
M
A2
M
B2
Rkv
K
4
M
K4
R
2
R
3
R
4
R
7
R
6
R
5
U
R(L)
TK
3
K
2
M
AB
S M
S
P
I
P
I
a
b
ab
B A
PT
G
E
2
E
1
U
S
E
3
M
E3
B
A
M
B1
M
A1
K
1
1
3
2
4
P
M
p
M
A2
M
B2
Rkv
R
2
R
3
R
4
R
7
R
6
R
5
R(L)
S M
S
a
b
ab
B A
PT
G
E
2
E
1
U
S
1 Pumpwithhydrauliccontroldevice
A4CSG(seedatasheet92105)
2 HS5Epilotcontrolvalve
NG Type
500,750 HS5EN/6CA40L-2X/VH0/24MD7G
3 Positiontransducer(seedatasheet30263)
NG Type
500,750 VT-SWA-LIN-1X/G15-3-C20
4 Intermediateplate
-
TheR
KV
portmustbeunloadedtothereservoir.
5 Only with HS5P:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange,withA4VSG
andA4CSG,1pressuretransducerisassignedtoandmounted
ontherespectivepressureside.
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
BoschRexrothAG,RE92076/2026-01-28
56 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5E(P)–controlsystemwithintegrateddigitalelectronics(OBE)
Circuit diagrams A4VZA HS5E
▼ Size71 ▼ Size 180
Bi-directionaldirectionofrotation Bi-directionaldirectionofrotation
K
3
K
2
T R(L)
S
A
S
B
TP
S
P
Rkv B A U
1
U
2
U
R(L)
1
M
A
M
B
M
SP
M
RKV
M
SB
M
SA
U
G
b
b a
a
P
T
AB
1
2
3
G
1
2
3
B A
T P
ab
R(L)
1
AU
1
S
p
B
M
8
Rkv
M
A
R(L)M
2
M
1
UM
sp
M
B
R
7
R
6
R
5
R
4
R
3
R
2
T PB A
T PB A
T PS
B
S
A
1 Pumpwithhydrauliccontroldevice
A4VZA(seedatasheet92115)
2 HS5Epilotcontrolvalve
NG Type
71,180 HS5EN/6CA24L-2X/VH0/24MD7G
3 Positiontransducer(seedatasheet30263)
NG Type
71 VT-SWA-LIN-1X/G15-2-C20
180 VT-SWA-LIN-1X/G15-1-C20
Notice about de-energized valve!
Closed circuit
▶ Intheeventofenergyuctuationsorenergyfailure,
theaxialpistonunitgoesto-V
gmax
orα=-100%ifthe
controlpressuresupplyissufcient.
RE92076/2026-01-28,BoschRexrothAG
57 Controlsystems | HM, HS5, HS5E and EO series 1X
ElectricaldataofpilotcontrolvalveHS5E
Electrical data of pilot control valve HS5E
Ambient and operating conditions
Characteristics Values
Supplyvoltage
1)
Nominalvoltage U
B
24VDC
Lowerlimitvalue U
B
(t)min 18VDC
Upperlimitvalue U
B
(t)max 36VDC
Maximumpermissible
residualripple
2.5Vss
Powerconsumption Maximum
P
40W
Requiredexternalfuseprotection 4A,slow-blow
AD/DAresolution Analoginputs Bit 12
Analogoutputs Bit 10
ActualpressurevalueinputXH4PIN10and11
Analogvoltage V 0to10
(Withcongurationtocurrentinput,maximum
permissibleinputcurrent30mA.)
Analogcurrent mA 0to20
Ambienttemperaturerangeatthepump
ϑ
0to+60°C
Storagetemperaturerangepump/electronics Permissible +5to+40°C
Hydraulicuidtemperature -20to+70°C
Cleanlinesslevelofhydraulicuid AccordingtoISO4406forparticle
size4/6/14µm
18/16/13
Environmentally acceptable systems for the areas of EMC, climate, and mechanical loading
Characteristics Values
Mechanicalloading:SinustestaccordingtoDINEN60068-2-6 10…2000Hz/maximum10g/10cycles/3axes
Mechanicalloading:NoisecheckaccordingtoDINEN60068-2-64 20…2000Hz/10gRMS/30gpeak/30min/3axes
Mechanicalloading:TransportshockaccordingtoDINEN60068-2-27 15g/11ms/3axes
Electromagneticcompatibility(EMC)
▶EN61000-6-2/EN61000-6-3
–EN61000-4-2ESD
–EN61000-4-4burst
–EN61000-4-5surge
–EN61000-4-6HFline-conducted
–EN55016-2-1radiointerferencevoltage
10kVCD/15kVADwithBWKB
2kVwithBWKB
0.5kV(sym./asym.)withBWKB
10Veff(150kHz…80MHz)
WithBWKA
0.15…30MHz,ClassA,EN55022
Maximumrelativehumidity(non-condensing) 95%
Designofelectronics Integratedonpilotvalve(OBE)
Electricalconnection Seefollowingpage58
TypeofprotectionaccordingtoEN60529(pumpincludingpilotvalve
andsensors)
IP65withmountedandlockedquickconnectors
Notices
▶ Theinformationaboutmechanicalloadingonlyrefers
tocomponentscontainingelectronics,i.e.theHS5E
pilotcontrolvalve,HM20andtheVT-SWA-LIN.
1) SupplyvoltageisuseddirectlyforsensorconnectionsX2M1,
X2M2,andX2N(nointernalvoltagelimitation)
BoschRexrothAG,RE92076/2026-01-28
58 HM, HS5, HS5E and EO series 1X |Controlsystems
XH4:Signalsandpinassignmentofthecentralconnector
XH4: Signals and pin assignment of the central connector
Thefollowingtableshowsthepinassignmentofthe
centralconnector11+PEforpilotcontrolvalveHS5E.
The"code"columnreferstothecablekitthatcanbe
orderedasoptionalaccessories.
(Forcablesets,seeoperatinginstructions92076-01-B
chapter"Cablesets")
Pin Signal Description Signal
direction
Signal level Code
1 +U
B
Powersupply IN +24V 1
2 L0 Referencepotentialforpowersupply - - 2
Ground Groundconnectionfortheelectronics - - yellow/
green
3 DO Switchingoutput24V,max.1.5A
Factorysetting:Driveready(logical"1"=readyfor
poweroutput[noerror])"
OUT Logical24V
(LoadI
max
≤50mA)
white
4 M0 Referencepotentialforanalogsignals - - yellow
5 AI2 Analoginput2(ordigitalinput,congurationvia
software)factorysetting:Swivelanglesetpointvalue
standardized
IN Analog+/-10V
(digital24V)
green
6 AO2 Analogoutput2factorysetting:Swivelangleactual
valuestandardized
OUT +/-10Vor0…20mA
1)
(LoadI
max
≤1mA)
violet
7 AI1 Analoginput1(ordigitalinput,congurationvia
software)Factorysetting:Pressuresetpointvalue
standardized
IN +/-10Vor
24Vdigital
pink
8 AO1 Analogoutput1factorysetting:Actualpressurevalue
standardized
OUT +/-10Vor0…20mA
1)
(LoadI
max
≤1mA)
red
9 DI Digitalinput(usecanbefreelycongured)Factory
setting:Errorreset
IN Logical24V brown
10 Actualpressure
valueHigh
Pressuresensorinput:Signalleveldependenton
parametersetting.
IN 0-10V,0-20mA
(freelycongurable)
black
11 Actualpressure
valueLow
ReferencepotentialforactualpressurevalueHigh
(pin10)
- - blue
n.c. gray
Notice
▶ ConnectportsM0andL0inthecontrolcabinetto
preventpotentialshifts.
▶ Signalcables(pin3to11)mustbeshielded.
Theshieldingmustbeconnectedtothecontrolon
oneside!
▼ XH4: central connector
33
90
1) IftheanaloginputsAI1andAI2arenotused,theanalogoutputs
AO1andAO2canbeparameterizedascurrentoutputs(e.g.ifthe
setpointvalueisspeciedviatheeldbus)
RE92076/2026-01-28,BoschRexrothAG
59 Controlsystems | HM, HS5, HS5E and EO series 1X
XH4:Signalsandpinassignmentofthecentralconnector
X2M1 and X2M2: analog, congurable pressure sensor
interface (coding A), M12, 5-pin, socket
Pin assignment of X2M1 and X2M2
Pin Assignment
1 +24Vvoltageoutput
(sensorsupply)
1)
2 Sensorsignalinputforcurrent
(4…20mA)
2)
3 GND
4 Sensorsignalinputvoltage
(0…10V)
2)
5 Negativedifferentialamplier
inputtopin4(optional)
Power supply of the HS5E pilot control valve
TheHS5Epilotcontrolvalveissuppliedwith24VDC.
Youconnectthe24Vofthepowersupplyunitto
connections1(+24V)and2(L0)oftheplug-inconnector.
Withtheavailableconnectioncable,thiscorrespondsto
thetwoblackwiresofthe1mm²crosssection3-pole
cable.Inthiscontext,youmustconnectthewirelabeled
"1"to+24Vandtheonelabeled"2"toL0(Ground).The
yellow/greenwiremustbeconnectedtoground.
Matingconnector
onvalveVT-DFPD
Connectioncablefor
powersupply
Connectioncableforsignals
Green/yellow =
Black(2)
=pin2
Ground
connection
0V
+24V
Black(1)
=pin1
.
X7E1 and X7E2: plug-in connector assignment for
Ethernet interface (coding D), M12, 4-pin, socket
Pin assignment of X7E1 and X7E2
Pin Assignment
1 TxD+
2 RxD+
3 TxD-
4 RxD-
5 Notassigned
▶ Useashieldedbuscableasthedatacable.Whendoing
this,theshieldshouldbeconnectedtotheconnector
housing.
▶ EthernetM12connectioncable,pleasecontactRexroth
forthematerialnumber.
ConnectingthepowersupplyoftheHS5Epilotcontrol
valve
Recommendation
Onthesystem-side,thepowersupplyoftheHS5Epilot
controlvalveshouldbefuse-protectedusinga4Aslow-
blowfuse.
TheHS5Epilotcontrolvalvedoesnothaveanenable
inputtoblockthefunctionofthevalve.
Intheeventofafault,thedriveenableshouldbe
canceledviaeldbus.Allothersafety-relevant
interventionmustbecarriedoutbythehigher-level
control(e.g.drivemotorOFF,closeshut-offvalves,etc.)
1) Maximumloadcapacity50mA,voltageoutputsameasconnected
powersupplyatinputXH4.
2) Onlyonesignalinputperinterfacecanbecongured
BoschRexrothAG,RE92076/2026-01-28
60 HM, HS5, HS5E and EO series 1X |Controlsystems
XH4:Signalsandpinassignmentofthecentralconnector
LED status indicators
LED Interface Sercos EtherNET/IP EtherCAT PROFINET
1 X7E1
Activity Activity Notused Activity
2
Link Link Link/Activity Link
3 Electronics-
module
S Networkstatus Networkstatus Networkstatus
4
Modulestatus Modulestatus Modulestatus Modulestatus
5 X7E2
Activity Activity Notused Activity
6
Link Link Link/Activity Link
▶ LEDs1,2,5,and6refertointerfaces"X7E1"and
"X7E2"
-Link:cableispluggedin,connectionhasbeen
established(lituppermanently)
-Activity:databeingsent/received(ashing)
ModulestatusLEDs3and4refertotheelectronics
module
ForadetaileddescriptionofthediagnosisLEDs,
refertothefunctionaldescriptionoftheRexroth
HydraulicDrive.
Notice
▶ Forproperroutingandmountingoftheconnection
cable,readtheentirechapter"Routingofthe
electroniccomponents"andthegeneralnotice
inoperatinginstructions92076-01-B.
Indicators of status LEDs
Module
status LED
(LED 4)
Indication
status
Network status
LED
Indication
status
Off Nopower
supply
Off Novoltage
supply
Green/red
ashing
Self-test Green Operation
Green
flashing
Drivereadyfor
operation
Green Incontrol
Redflashing Warning
Red Fault
RE92076/2026-01-28,BoschRexrothAG
61 Controlsystems | HM, HS5, HS5E and EO series 1X
XH4:Signalsandpinassignmentofthecentralconnector
Dimensions [mm]
Dimensions HS5E(P)
▼ A4VSO, A4VBO, sizes 40 to 71, example: A4VSO HS5EP with pressure transducer in B
(clockwise
rotationwith;counter-clockwisewithoutHM20)
K
B
R(L)
B
P (S
P
)
R
kv
W
A
10
A
9
A
6
S
P
R
KV
P
A
10
A
9L
A
6
S
P
R
KV
P
A
2
A
2L
A
5
A
8
A
3
A
7
A
4
K
B
P (S
P
)
R
kv
A
5L
A
8L
A
3L
A
7L
A
4L
Einschraubloch M33
L
R
15°0°15°
A
1
30
tomountingface
tomountingface
tomountingface
tomountingface
▼DetailW clockwiserotation
▼ Clockwise rotation
▼ Counter-clockwise
rotation
▼DetailW counter-clockwiserotation
Valvemountingwith
A4VSOforclockwise rotation
A4VBOforclockwise rotation
Valvemountingwith
A4VSOforcounter-clockwise rotation
A4VBOforcounter-clockwise rotation
NG A
1
A
2
A
2L
A
3
A
3L
A
4
A
4L
A
5
A
5L
A
6
A
7
A
7L
A
8
A
8L
A
9
A
9L
A
10
40 296 164 166 319.7 301 222 229.5 108 107 48 273 253 128 94 30 0 48
71 332 159.3 161 335 318 249 256.5 123 122 48.4 300 280 143 109 30 0 49.6
Fordetaileddimensionsandtechnicaldataofthevariablepump,seedatasheet92050(A4VSO),92122(A4VBO)
Ports Standard Size p
max
[bar]
1)
State
2)
P, S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 350 O
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=
Plugged(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
62 HM, HS5, HS5E and EO series 1X |Controlsystems
XH4:Signalsandpinassignmentofthecentralconnector
Dimensions [mm]
Dimensions HS5E(P)
▼ A4VSO, A4VBO, sizes 125 to 370
A
7
A
7
A
4
A
3
A
2
K
B
R(L)
B
L
R
15° 15°
0
M
1
M
2
R
5
R
7
R
6
R
3
R
4
R
2
A
6
A
5
A
1
A
8
A
9
P (S
P
)
S
P
P
R
kv
W
R
kv
RKV
P
SP
Einschraubloch M22
B
30
Valvemountingwith
A4VSOforcounter-clockwiserotation
DetailW
NG A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
125 203 147 107 343 156 148 201 39 39 Fordetaileddimensions
andtechnicaldata,
seedatasheet92050
(A4VSO),92122
(A4VBO)
180 203 147 107 354 156 148 201 39 39
250/260 248 164 124 379 192 184 242.5 39 39
355/370 248 164 124 379 192 184 242.5 39 39
Ports Standard Size p
max
[bar]
1)
State
2)
M
1
, M
2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep(NG125and180)
M18×1.5;12deep(NG250and355)
350 X
P, SP Controlpressureport DIN3852-1 M22×1.5;14deep 350 O
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;8deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=
Plugged(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
63 Controlsystems | HM, HS5, HS5E and EO series 1X
XH4:Signalsandpinassignmentofthecentralconnector
Dimensions [mm]
Dimensions HS5E(P)
▼ A4VSO sizes 500 to 1000; A4VBO size 450
A
4
(448)
A
3
A
2
R
5
R
7
R
6
R
3
R
4
R
2
A
6
A
5
A
1
A
7
A
7
15
~
15
~
0
B
-0.2
22
h9
R(L)
B
M
B2
M
P
B
1
L
R
M
A
Rkv
P
B
L
R
B
B
30
Valvemountingwith
A4VSO,A4VBOcounter-clockwiserotation
NG A
1
A
2
A
3
A
4
A
5
A
6
A
7
450 279 122 119 400 245 205 277.5
Fordetaileddimensionsandtechnicaldataof
thevariablepump,seedatasheet92050
(A4VSO),92122(A4VBO)
500 279 122 119 400 245 205 277.5
750 Onrequest
1000 Onrequest
Ports Standard Size p
max
[bar]
1)
State
2)
M
B1
MeasuringportworkingpressureB1 DIN3852-1 M18×1.5;12deep 350 X
M
B2
,M
A
,M
P
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 350 X
P Controlpressureport DIN3852-1 M27×2;16deep 350 O
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;12deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M27×2;16deep 4 O
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
64 HM, HS5, HS5E and EO series 1X |Controlsystems
XH4:Signalsandpinassignmentofthecentralconnector
Dimensions [mm]
Dimensions HS5E(P)
▼ A4VSG, size 40 to 71, example: A4VSG HS5E
K
R(L)
P (S
P
)
R
kv
W
A
10
A
9
A
6
S
P
R
KV
P
A
10
A
9L
A
6
S
P
R
KV
P
A
2
A
2L
A
5
A
8
A
3
A
7
A
4
K
P (S
P
)
R
kv
A
5L
A
8L
A
3L
A
7L
A
4L
Einschraubloch M33
L
R
15°0°15°
A
1
30
A
B
A
B
tomountingface
tomountingface
tomountingface
tomountingface
▼DetailW clockwiserotation
▼ Clockwise rotation
▼ Counter-clockwise
rotation
▼DetailW counter-clockwiserotation
Valvemountingwith
Clockwiserotation
Valvemountingwith
Counter-clockwiserotation
NG A
1
A
2
A
2L
A
3
A
3L
A
4
A
4L
A
5
A
5L
A
6
A
7
A
7L
A
8
A
8L
A
9
A
9L
A
10
40 296 164 166 319.7 301 222 229.5 108 107 48 273 253 128 94 30 0 48
71 332 159.3 161 335 318 249 256.5 123 122 48.4 300 280 143 109 30 0 49.6
Fordetaileddimensionsandtechnicaldataofthevariablepump,seedatasheet92050(A4VSO)
Ports Standard Size p
max
[bar]
1)
State
2)
P, S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 350 O
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
TheR
KV
portmustbeunloadedtothereservoir.
RE92076/2026-01-28,BoschRexrothAG
65 Controlsystems | HM, HS5, HS5E and EO series 1X
XH4:Signalsandpinassignmentofthecentralconnector
Dimensions [mm]
Dimensions HS5E(P)
▼ A4VSG, sizes 125 to 355
R
5
R
7
R
6
A
8
A
9
S
P
P
R
kv
RKV
P
SP
Einschraubloch M22
A
7
A
7
A
4
A
3
A
2
B
M
1
M
2
R
4
A
6
A
5
A
1
P (S
P
)
R
kv
W
B
30
Valvemountingwith
A4VSGforcounter-clockwiserotation
DetailW
NG A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
125 203 147 107 343 156 148 201 39 39
Fordetaileddimensions
andtechnicaldata,
seedatasheet
92100(A4VSG)
180 203 147 107 354 156 148 201 39 39
250 248 164 124 379 192 184 242.5 39 39
355 248 164 124 379 192 184 242.5 39 39
Ports Standard Size p
max
[bar]
1)
State
2)
M
1
, M
2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep(NG125and180)
M18×1.5;12deep(NG250and355)
350 X
P, S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 350 O
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;8deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=
Plugged(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
66 HM, HS5, HS5E and EO series 1X |Controlsystems
XH4:Signalsandpinassignmentofthecentralconnector
Dimensions [mm]
Dimensions HS5E(P)
▼ A4VSG, sizes 500 to 1000
A
4
A
3
A
2
R
5
R
7
R
6
R
3
R
4
R
2
A
6
A
5
A
1
A
7
A
7
R(L)
M
B2
M
P
B
1
M
A
Rkv
P
B
30
Valvemountingwith
A4VSGforcounter-clockwiserotation
NG A
1
A
2
A
3
A
4
A
5
A
6
A
7
500 279 122 119 400 245 205 277.5
Fordetaileddimensionsandtechnicaldataof
thevariablepump,seedatasheet92100
(A4VSG)
750 Onrequest
1000 Onrequest
Ports Standard Size p
max
[bar]
1)
State
2)
M
B1
MeasuringportworkingpressureB1 DIN3852-1 M18×1.5;12deep 350 X
M
B2
,M
A
,M
P
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 350 X
P Controlpressureport DIN3852-1 M27×2;16deep 350 O
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;12deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M27×2;16deep 4 O
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
67 Controlsystems | HM, HS5, HS5E and EO series 1X
XH4:Signalsandpinassignmentofthecentralconnector
Dimensions [mm]
Dimensions HS5E(P)
▼ A4CSG, sizes 250 to 355, example: A4CSG 250, clockwise rotation (counter-clockwiserotationonrequest)
R
5
R
7
R
6
R
2
R
3
A
8
A
9
S
P
P
R
kv
A
7
A
7
A
4
A
2
B
M
2
M
1
M
B
R
4
A
5
A
6
A
1
P (S
P
)
R
kv
W
BB
30
30
DetailW
NG A
1
A
2
A
4
A
5
A
6
A
7
A
8
A
9
250 248 164 390 192 184 242.5 39 39
Fordetaileddimensionsandtechnicaldata,
seedatasheet92105(A4CSG)
355 248 164 379 192 184 242.5 39 39
Ports Standard Size p
max
[bar]
1)
State
2)
M
1
, M
2
Measuringport,controlpressure DIN3852-1 M18×1.5;12deep 350 X
M
B
MeasuringportworkingpressureB DIN3852 M14×1.5;12deep 400 X
S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 350 O
R
2
…R
7
Airbleedportcontrol DIN3852-1 M10×1;8deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=
Plugged(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
68 HM, HS5, HS5E and EO series 1X |Controlsystems
XH4:Signalsandpinassignmentofthecentralconnector
Dimensions [mm]
Dimensions HS5E(P)
▼ A4CSG, sizes 500 to 750
A
4
A
3
A
2
A
6
A
5
R(L)
M
B2
M
P
R(L)
A
1
B
1
M
A2
Rkv
P
B
S
R
5
R
7
R
6
R
3
R
4
R
2
A
7
A
7
Valvemountingwith
A4CSGforcounter-clockwiserotation
NG A
1
A
2
A
3
A
4
A
5
A
6
A
7
500 279 122 119 400 245 205 278
Fordetaileddimensionsandtechnicaldataofthe
variablepump,seedatasheet92105(A4CSG)
750 301 132 129 – 275 235 315
Ports Standard Size p
max
[bar]
1)
State
2)
M
B1
MeasuringportworkingpressureB1 DIN3852-1 M18×1.5;12deep 350 X
M
B2
,M
A2
,M
P
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 350 X
P Controlpressureport DIN3852-1 M27×2;16deep 350 O
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;12deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M27×2;16deep 4 O
TheR
KV
portmustbeunloadedtothereservoir.
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
69 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5EV(P)–controlsupplywithintegrateddigitalelectronics(OBE)andinternalcontrolpressuresupply
Dimensions [mm]
HS5EV(P) – control supply with integrated digital electronics (OBE) and internal control
pressure supply
Type NG 40 71 125 180 250 260 370 500 750 1000
A4VSO
● ● ● ● ▲ ● ●
– – –
HS5EV(P)
A4VBO
–
● ●
–
●
– – – – –
AnaxialpistonvariablepumpwithHS5Econtrolsystemis
acompletesolutionforanentireBoschRexrothpump
controlsystemforanelectrohydraulic
▶ Swivelanglecontrol
▶ Pressurecontrol(optionalHS5EVP)
▶ Torquelimitation(optionalHS5EVP)
withinternalcontrolpressuresupply.
Thecontrolsystemconsistsofthefollowingcomponents:
▶ A4VSOorA4VBOaxialpistonvariablepump
▶ DirectionalcontrolvalvewithOnBoardElectronics
▶ Positiontransducerfordetectingpumpswivelangle
▶ Optional(HS5EVP):onepressuretransducerwith
A4VSOandA4VBO
Machineandsystemdynamicsmustbeoptimizedbythe
systemoperatorusingthepressurecontrolfunction.
IncontrasttotheHS5Econtrolsystem,theHS5EVcontrol
systemeliminatestheneedforanexternalcontrol
pressuresupply.Thecontrolpressuresupplytakesplace
directlyfromthehighpressure.
Withtheelectricmotorswitchedoffandactuatorsystem
depressurized,thepumpswivelstomaximum
displacement(V
gmax
)throughspringforce.
Forreliablecontrol,thesystempressuremustbeatleast
20bar.
Atsystempressuresbelow20bar,useapreloadblockto
generatetherequiredcontrolpower.
Youneedtocontactusforaspecicapplication.
Tocontrolsystempressuresbelow20bar,apressure
sensormustbeplacedonthesystemside(behindoron
thedownstreamsideofthepreloadblock).Option"P"
canbeusedforthis.
Property, basic position de-energized
Withtheproportionalvalvede-energized,thepumpoutlet
pluggedandtheaxialpistonunitrotating,aminimum
pressure(approx.6to10bar)settles.
Mechanical min. andmax. swivel angle limitation
Displacement (setting range)
Product NG maximum in B
A4VSO 40…370 50…100
1)
%
A4VBO 71…250 75…100
1)
%
Swiveling range
Asaspecialfeature,thepumpcanswitchtheconveying
direction.Thisfeatureofswitchingovertheneutral
positionenablesaquickdecompressionviathepump.
Thereversaloftheowdirectionislimitedtotheduration
ofthedecompression(andshouldnotexceed0.5s).
Continuousoperationinthereverseowdirectioncan
resultindamagetotheunit.
▼ Dynamic characteristic curve for decompression via the pump
100
0
50
-50
0
80
160
240
Timet
α
act
p
set
1
p
act
Pressurep [bar] Swivelangleα [%]
Technical data: Working pressure HS5E control system
Size NG 40 to 355
MaximumworkingpressureA4VSO p
max
2)
bar 350
NominalpressureA4VBO p
nom
bar 450
Minimumworkingpressure(standard) p
min
bar 20
ForNG370withportplate36 p
min
bar 40
Electrical control loop performance
Swivel angle control Pressure control
2)
Linearitytolerance ≤1.0% ≤1.5%(≤1.0%
3)
)
Temperatureerror ≤0.5%/10K ≤0.5%/10K
Hysteresis ≤0.2% ≤0.2%
Repeataccuracy ≤0.2% ≤0.2%
1) Defaultsetting,pleasespecifyothersettingswhenordering 2) Duetothepermissibledataoftheproportionalvalvewith
considerationofthepumppulsation
3) Usingtheintegratedcalibrationfunction.
BoschRexrothAG,RE92076/2026-01-28
70 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5EV(P)–controlsupplywithintegrateddigitalelectronics(OBE)andinternalcontrolpressuresupply
Dimensions [mm]
Notices
▶ Informationonelectricaldataandambientand
operatingconditionsofthepilotcontrolvalveaswell
asfurtherinformationonthecentralconnectorcan
befoundonpage57and58.
ToensurethefunctionalreliabilityfortheHS5EV(P)
controlsystem,theoperatinguidmusthaveamin.
cleanlinesslevelof18/16/13asdenedinISO4406.
Furtherdetailsandinformationontherequiredcleanliness
levelofthehydraulicuidcanbefoundintheoperating
instructions92076-01-B.
Connection
▶ 24Vpowersupply
▶ Ambienttemperature-20°Cto60°CHydraulicuid
temperature-20°Cto70°C
▶ LEDstatusindicator
▶ Interfacefor:
EtherNet/IP,SercosIII,EtherCAT,ProNETRT
connection
ForfurthertechnicalinformationseeHS5E
3
1
2
10
4
5
6
9
8
7
Example:A4VSOsize250,clockwiserotation
1 Proportionalsolenoid
2 Inductivepositiontransducerforvalveposition
3 X8AActualswivelangleinput
4 Reserved,X2N
5 CongurablesensorinterfaceX2M2(pressuresensorinput)
6 CongurablesensorinterfaceX2M1(pressuresensorinput)
7 Multi-EtherNetinterfaceX7E1
8 Multi-EtherNetinterfaceX7E2
9 Plug-inconnectorXH4
10 VT-SWA-LIN-G15positiontransducer
Notice about de-energized valve!
Open circuit
▶ Withade-energizedproportionalvalveandavailable
loadpressure(>20bar),thepumpswivelsat:
–StandardversionA4VSOandA4VBOtoswivel
angleα=-100%
Sectional view of A4VSO…HS5EV(P)
1
3
2
1 PumpA4VSOwithhydrauliccontroldevice
(seedatasheet92050)
2 HS5Epilotcontrolvalve
NG Type
40to180 HS5EN/6CA24L-2X/VH0/24MD7G
250and370 HS5EN/6CA40L-2X/VH0/24MD7G
3 Positiontransducer(seedatasheet30263):
NG Type
40,125and180 VT-SWA-LIN-1X/G15-1-C20
71 VT-SWA-LIN-1X/G15-2-C20
250to370 VT-SWA-LIN-1X/G15-3-C20
Preferred types (seealsodatasheet90157)
R902564081 A A4VSO40HS5EV/10R-PZB13N00
R902569938 A A4VSO71HS5EV/10R-PZB13N00
Optional:
▶ HS5EVPwithapressuretransducerforpressure
controlandtorquelimitation
RE92076/2026-01-28,BoschRexrothAG
71 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5EV(P)–controlsupplywithintegrateddigitalelectronics(OBE)andinternalcontrolpressuresupply
Dimensions [mm]
System circuit diagram HS5EVP
▼ A4VSO, size 40 to 180
Example:
A4VSO180HS5EVPwithpreloadblockAGEV
1)
5
6
3
2
4
1
R(L)TK
2
K
1
M
S
S M
2
M
1
U
P
B T
B
1
M
B
M
P1
G
TP
A B
ba
ba
S
U
P
I
▼ A4VSO, size 250 to 370
Example:
A4VSO250HS5EVPwithpreloadblockAGEV
1)
a
G
5
6
3
2
4
1
R(L)TK
2
K
1
M
S
S M
2
M
1
U
U
S
b
b
P
T
A B
a
Y
M
1
M
2
B
M
B
B
1
P
I
Consumer
Ports
S Suctionport
B Workingport
M
1
,M
2
Measuringport,controlpressure
M
S
Measuringportsuctionpressure
K
1
,K
2
Flushingport
T Flushingport
R(L)
Drainport
U
Flushingportforbearingushing
Circuit diagram HS5EVP
▼ Sizes 40 to 370
Example:
A4VSO...HS5EVP(withpressuretransducer)
U S M
S
M
1
M
2
R(L)TK
1
K
2
B M
B
B
1
(5)
3
2
4
1
U
S
P
I
G
T
P
A
B
ba
ba
1 PumpwithhydrauliccontroldeviceA4VSO
(seedatasheet92050)
2 PilotcontrolvalveHS5E
3 PositiontransducerVT-SWA-LIN-1X/G15-...-C20
4 Intermediateplate
5 Only with HS5EVP:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272).
6 Preloadblock(notpartofthescopeofdelivery)
withintermediateange.
Notice about de-energized valve!
Open circuit
▶ Withade-energizedproportionalvalveandavailable
loadpressure(>20bar),thepumpswivelsat:
–StandardversionA4VSOandA4VBOtoswivel
angleα=-100%
1) Tocontrolsystempressuresbelow20bar,apressuresensormust
beplacedonthesystemside(behindoronthedownstreamside
ofthepreloadblock).Option"P"canbeusedforthis.
BoschRexrothAG,RE92076/2026-01-28
72 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5EV(P)–controlsupplywithintegrateddigitalelectronics(OBE)andinternalcontrolpressuresupply
Dimensions [mm]
Circuit diagram HS5EVP
▼ A4VBO, size 71 to 250
Example:
A4VBO...HS5EVP(withpressuretransducer)
U S M
S
M R(L)TK
1
K
2
B M
B
B
1
(5)
3
2
4
1
U
S
P
I
G
T
P
A
B
ba
ba
1 PumpA4VBOwithhydrauliccontroldevice(seedata
sheet92122)
2 PilotcontrolvalveHS5E
3 PositiontransducerVT-SWA-LIN-1X/G15-...-C20
4 Intermediateplatewithpressurereliefvalve
5 Only with HS5EVP:PressuretransducerHM20-2X/630-C-K35
(seedatasheet30272)withintermediateange
Notice about de-energized valve!
Open circuit
▶ Withade-energizedproportionalvalveandavailable
loadpressure(>20bar),thepumpswivelsat:
–StandardversionA4VSOandA4VBOtoswivel
angleα=-100%
RE92076/2026-01-28,BoschRexrothAG
73 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5EV(P)–controlsupplywithintegrateddigitalelectronics(OBE)andinternalcontrolpressuresupply
Dimensions [mm]
Dimensions HS5EVP
▼ A4VSO, sizes 40 to 370, clockwise rotation
A
3
R(L)
B
M
1
B
1
M
2
A
2
A
6
A
5
A
4
A
1
B
L
R
15°15°0
Valvemountingwith
A4VSOforcounter-clockwiserotation
NG A
1
A
2
A
3
A
4
A
5
A
6
40 144 282 293.5 130 104 120
Fordetaileddimensionsandtechnicaldataof
thevariablepumpA4VSO,
seedatasheet92050
71 166 252 309 148 126 122.5
125 203 251 343 177 147 142.5
180 203 250 343 177 147 150
250/260 248 248 379 213 179 174
355/370 248 248 379 213 179 178
Ports Standard Size p
max
[bar]
1)
State
2)
M
1
, M
2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep(NG40to180)
M18×1.5;12deep(NG250and355)
350 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=
Plugged(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
74 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5EV(P)–controlsupplywithintegrateddigitalelectronics(OBE)andinternalcontrolpressuresupply
Dimensions [mm]
Dimensions HS5EVP
▼ A4VBO, size 71, clockwise rotation
A
4
A
3
A
2
A
6
A
5
A
1
L
R
K
2
K
1
R(L)
M
B
B
B1
U
NG A
1
A
2
A
3
A
4
A
5
A
6
71 166
Approx.
252
Approx.
320
309 148 126
Fordetaileddimensionsandtechnicaldataofthevariablepump,
seedatasheet92122(A4VBO)125
Onrequest
250
Ports Standard Size p
max
[bar]
1)
State
2)
M Measuringport,strokingchamber DIN3852-1 M14×1.5;12deep(size40to71)
M18×1.5;12deep(size125to355)
350 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
75 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5EL(P)–controlwithinternalcontrolpressuresupplyforA4CSG
HS5EL(P) – control with internal control pressure supply for A4CSG
Type NG 250 355 500 750
A4CSG ● ● ● ● HS5EL(P)
TheHS5EL(P)variantcorrespondstotheHS5Eversion
butwithinternalcontrolpressuresupply.Witharotating
pumpandnotactivecontrol(valvede-energized),
thepumpswivelsto‒V
gmax
bytheboostpressure.
Thecontrolpressuresupplytakesplacedirectlyfromthe
highpressureorboostpressure.Thisremovestheneed
foranexternalcontrolpressuresupply.
Withtheelectricmotorswitchedoffandactuatorsystem
depressurized,thepumpswivelsto0swivelanglethrough
spring-centering.
Notices
▶ Thespringfeedbackinthecontrollerandpump
controlspringcenteringarenosafetydevices.
Thecontrollercanstickinanundenedpositiondue
tointernalcontamination(contaminatedhydraulic
uid,abrasionorresidualcontaminationfromsystem
components).Asaresult,theowintheaxialpiston
unitwillnolongerrespondcorrectlytotheoperator's
specications.Checkwhethertheapplicationon
yourmachinerequiresadditionalsafetymeasures
tobringthedrivenconsumertoasafeposition
(immediatestop).
Forsafecontrol,thecontrolpressuremustbetwicethe
boostpressure(forNG355+5bar).Seealsoboost
pressuresindatasheet92105.
Machineandsystemdynamicsmustbeoptimizedbythe
systemoperatorusingthepressurecontrolfunction.
▶ Optional(HS5ELP):twopressuretransducerswith
A4CSG
ToensurethefunctionalreliabilityfortheHS5EL(P)
controlsystem,theoperatinguidmusthaveamin.
cleanlinesslevelof18/16/13asdenedinISO4406.
Furtherdetailsandinformationontherequiredcleanliness
levelofthehydraulicuidcanbefoundintheoperating
instructions92076-01-B.
Notices
▶ Tosetthe"System/Control,"selectHSE5in
IndraWorksDSinthewindow(SystemPumpController
->)"Pump/DriveMotor"or,alternatively,setparameter
P-0-2989bit2to"1."
▶ Withade-energizedproportionalvalveandaclockwise-
turningpump,aswellascontrolpressurepresent
(>20bar),thepumpswivelsat:
–
standardversionA4CSGtoswivelangleα=-100%.
Circuit diagram HS5EL
▼ Sizes 500 to 750
Example:
A4CSG500HS5EL
3
2
4
1
U
S
Rkv
K
4
M
K4
R
2
R
3
R
4
R
7
R
6
R
5
U
B AM
B1
M
A1
K
1
R(L)TK
3
K
2
M
E3
M
AB
E
2
E
1
S M
S
a
b
ab
B A
PT
G
1 PumpwithhydrauliccontroldeviceA4CSG
(seedatasheet92105)
2 HS5EpilotcontrolvalveHS5EN/6CA40L-2X/VH0/24MD7G
3 PositiontransducerVT-SWA-LIN-1X/G15-3-C20(seedatasheet
30263)
4 Intermediateplate
Technical data HS5EL
Size NG 250 to 750
Maximumworkingpressure
p
max
1)
bar 350
Minimumworkingpressure
p
min
bar 20
Minimumrequiredcontrol
pressure
p
min
bar Doubleboostpressure
(+5barforNG355)
▼ Flow direction in closed circuit
Direction of rotation Swiveling range
Clockwise Counter-clockwise
B to A A to B Clockwise
15° 15° 0°
CW
CCW
A to B B to A Counter-
clockwise
Mechanical min. andmax. swivel angle limitation
Displacement (setting range)
Product NG maximum in B maximum in A
A4CSG 250…750 50…100
2)
% 50…100
2)
%
1) Higherpressuresonrequest
2) Defaultsetting,pleasespecifyothersettingswhenordering
BoschRexrothAG,RE92076/2026-01-28
76 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5EL(P)–controlwithinternalcontrolpressuresupplyforA4CSG
Dimensions [mm]
Dimensions HS5EL
▼ A4CSG, sizes 250 to 750, clockwise rotation
R(L)
B
M
1
Rkv
M
2
A
4
A
3
A
2
A
1
15°
15° 0
L
R
Valvemountingwith
A4CSGforcounter-clockwiserotation
NG A
1
A
2
A
3
A
4
250 248 242.5 242.5 Approx.390
Fordetaileddimensionsandtechnicaldataof
thevariablepumpA4CSG,
seedatasheet92105
355 248 242.5 242.5 Approx.390
500 279 278 278 Approx.448
750 279 278 278 Approx.485
Ports Standard Size p
max
[bar]
1)
State
2)
M
1
, M
2
Measuringcontrolpressure DIN3852-1 M18×1.5;12deep(NG250and355) 350 X
M
A2
, M
P
M14×1.5;12deep(NG500) 350 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=
Plugged(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
77 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(E)K/EO1K/EO2K–shortcircuitvalve
HS5(E)K / EO1K / EO2K – short circuit valve
Type NG 40 71 125 180 250 355 500 750 1000
A4VSG ● ● ● ● ● ● ● ● ●
HS5(E)K
A4CSG – – – – ● ● ● ● –
A4VSG ● ● ● – ● – – – – EO1K
● ● ● ● ● ● ◊
2)
◊
2)
◊
2)
EO2K
A4CSG – – – – ● ● ◊
2)
◊
2)
–
A4/2-wayshut-offvalveisinstalledbetweenthe
proportionalorcontrolvalveandthecontroldevice.
Notices
▶ Theshortcircuitswitchingisusedforsettingand
adjustmentindepressurizedneutralposition,butwith
nodenedresetduringhigh-pressureoperation
▶ Thespringfeedbackinthecontrollerandpump
controlspringcenteringarenosafetydevices.
Thecontrollercanstickinanundenedpositiondue
tointernalcontamination(contaminatedhydraulic
uid,abrasionorresidualcontaminationfromsystem
components).Asaresult,theowintheaxialpiston
unitwillnolongerrespondcorrectlytotheoperator's
specications.Checkwhethertheapplicationon
yourmachinerequiresadditionalsafetymeasures
tobringthedrivenconsumertoasafeposition
(immediatestop).
▶ Withade-energizedshortcircuitvalve,theproportional
valvehasnofunctionduetotheinterruptedconnection,
i.e.thecontroldoesnotfollowthesetpointvalue.
DetailedinformationonEO1andEO2controlisavailable
frompage85.
ToensurethefunctionalreliabilityfortheHS5(V)(L)(P)
controlsystem,theoperatinguidmusthaveamin.
cleanlinesslevelof18/16/13asdenedinISO4406.
Furtherdetailsandinformationontherequiredcleanliness
levelofthehydraulicuidcanbefoundintheoperating
instructions92076-01-B.
●=short circuit valve (4/2-wayshut-offvalve)
TypeZ4WE6E68-3X/EG24N9Z4/V
1)
(seedatasheet23193,
pleaseobserveperformancelimits).
◊=short circuit valve (4/2-wayshut-offvalve)
TypeZ4WEH10E68-4X/6EG24N9ETZ4/B10D3
1)
(seedatasheet24753).
1) Withplug-inconnectoraccordingtoDINEN175301-803/ISO4400
M16×1.5
cableglandforcablediameters4.5to10mm
2) Forcircuitdiagramanddimensions,seepage80
BoschRexrothAG,RE92076/2026-01-28
78 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(E)K/EO1K/EO2K–shortcircuitvalve
Dimensions [mm]
Circuit diagrams
▼ Sizes 40 to 71
Example:
A4VSGEO2K
ab
S
p
P
Rkv
U
R(L)TK
3
K
2
M
A
M
B
U
S
E
B A
▼ Sizes 125 to 355
Example:
A4VSGEO2K
R(L)TK
2
R
2
R
5
R
6
R
7
R
3
R
4
M
1
M
2
K
3
U
U
S
S
P
P
B
E
A
M
A
M
B
R
KV
a
b
▼ Sizes 500 to 1000
Example:
A4VSGHS5KP
R(L)TK
2
R
2
R
5
R
6
R
7
R
3
R
4
K
3
U
U
S
P
I
P
I
M
P
M
A2
M
A1
M
B1
M
B2
P
B
E
A
R
KV
b
b
a
P
T
AB
a
▼ Sizes 40 to 355
Example:
A4VSG125HS5EKP
R(L)TU K
2
M
1
E
2
E
1
E
M
E
T
3
M
A2
M
B2
M
E3
M
K4
K
4
K
1
T
1
R
2
M
2
R
5
R
6
R
7
R
3
R
4
K
3
S
P
P
M
A1
M
B1
B A
R
KV
b
a
P
T
AB
U
S
P
I
P
I
b
a
G
RE92076/2026-01-28,BoschRexrothAG
79 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(E)K/EO1K/EO2K–shortcircuitvalve
Dimensions [mm]
Dimensions
▼ HS5K, size 40 to 355 ▼ HS5K, sizes 500 to 1000
A
2
A
3
P
50
tomountingface
A
8
P
50
tomountingface
▼ EO1K, size 40 and 71
▼ EO1K, sizes 125 and 250
EO2K, size 40 to 355
t
o
mountingface
A
4
P
50
R(L)
A
7
A
6
A
5
P
50
tomountingface
NG A
2
A
3
A
4
A
5
A
6
A
7
A
8
40 301 296 324 298 246 295 –
71 311 323 351 314 265 322 –
125 / 180 336 381 – 331 298 379 –
250 / 355 365.5 443 – 365 345 443 –
500 – – – – – – 551
750 – -– – – -– – 583
1000 – – – – – – 649
BoschRexrothAG,RE92076/2026-01-28
80 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(E)K/EO1K/EO2K–shortcircuitvalve
Dimensions [mm]
Circuit diagram EO2K
▼ Sizes 500 to 1000
Example:
A4VSGEO2K
R(L)TK
2
R
2
R
5
R
6
R
7
R
3
R
4
K
3
U
U
S
M
P
M
A2
M
A3
M
A1
M
B1
M
B2
M
B3
P
B
E
A
R
KV
a
b
a
b
Dimensions EO2K
▼ Sizes 500 to 1000
A
4
A
3
A
2
50
P
tomountingface
NG A
2
A
3
A
4
500 386 392 609
750 417 427 641
1000 439 456 707
RE92076/2026-01-28,BoschRexrothAG
81 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(E)K/EO1K/EO2K–shortcircuitvalve
Dimensions [mm]
Dimensions A4VSG
▼ HS5EKP, sizes 40 to 355 ▼ HS5EKP, sizes 500 to 1000
A
1
B
A
R(L)
Einschraubloch M33
A
1
NG A
1
40 351
Forfurtherinformationon
dimensionsandconnections,
see"DimensionsHS5E(P)"
onpage68.
71 368
125 393
180 404
250/260 429
355/370 429
500 450
750
Onrequest
1000
BoschRexrothAG,RE92076/2026-01-28
82 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(E)Z(P)–Zeroswivelfunctionwith(de-energized)controlvalveforA4VSGandA4CSG
HS5(E)Z(P) – Zero swivel function with (de-energized) control valve for A4VSG and A4CSG
Type NG 40 71 125 180 250 355 500 750 1000
A4VSG – – – – – – ● ○ ○
HS5(E)Z(P)
A4CSG – – – – – – ● ○ –
Iftheactivationvalve(4)isde-energized,thezeroswivel
functionstartswhenthecontrolpressureisapplied.
Asaresult,theHS5(E)controlvalve(2)isswitched
inoperative,andatthesametimetheswivelanglecontrol
ofthezeroswivelfunctiontakesover.
Intheclosedcircuit,theHS5(E)controlsystemswivels
toswivelangleα=-100%duetoitsdesign.Thecontrol
positionofthezeroswivelfunction,ontheotherhand,
isinthecentralpositionat0%swivelangle.
Notices
▶ Thepumpcontrolzeroswivelfunctionisnotasafety
device.Thecontrollercanstickinanundened
positionduetointernalcontamination(contaminated
hydraulicuid,abrasionorresidualcontamination
fromsystemcomponents).Asaresult,theowin
theaxialpistonunitwillnolongerrespondcorrectly
totheoperator'sspecications.Checkwhetherthe
applicationonyourmachinerequiresadditional
safetymeasurestobringthedrivenconsumer
toasafeposition(immediatestop).
Technical data hydraulic HS5(E)Z
Size 500
ControlpressureatportP
Minimum p
min
bar 150
Maximum p
max
bar 350
ControlpressureuidreturnportR
KV
1)
p
max
bar <4
Minimumrequiredcontroluidsupply q
Vmin
l/min 50
Technical data electric HS5(E)Z
Size 500
Electricswitchingsignalforthe
activationofthezeroswivelfunction
V 24
▼ Characteristic curve of control uid supply at port P
ControlpressureinP[bar]
FlowinP[l/min]
50
45
40
35
30
25
20
150 175 200 225 250 275 300 325
Actuating times zero swivel
Themaximumswiveltimeis<1second.
Theactuatingtimeofthezeroswivelfunctiondependson
theoperatingpointandappliesunderthefollowing
boundaryconditions:
▶ Compliancewithcontrolpressurespecications.
▶ Toensuretheactuatingtime,anoptimumtemperature
rangewithanoperatingviscosityofν
opt
16…36mm²/s
isrequired(seedatasheet92100and92105).
Accuracy zero swivel
Achievableaccuracyoftheneutralposition:0%+/-2%
referredto100%oftheswivelanglesignalBoundary
conditions:
▶ Toensureaccuracy,anoptimumtemperaturerange
withanoperatingviscosityofν
opt
16…36mm²/sis
required(seedatasheet92100and92105).
▶ Therequiredcontrolpressureisatleast150bar.
Theappliedcontrolpressurehasadirectinuenceon
theaccuracyofthezeroswivelfunction.Therefore,itis
recommendedtospecifythecontrolpressureavailablein
thesystemwhenordering.
WhendeterminingthecontrolpressureatportPofthe
unit,therelationshipfromthe"Controluidsupplyat
portP"characteristiccurvemustbetakenintoaccount.
Thevaluereferstothecalibratedswivelanglezeropoint
duringthenalinspectiononthetestrig.
Notice
▶ Thecalibrationfunctionoftheswivelanglezeropoint
doesnotensurethatthepressureinAandBis
reachedintheclosedcircuitat0%swivelangle
specication.
Ifthisisdesired,theswivelanglezeropointhastobe
readjustedmanually.
▶ Thezeroswivelfunctiononlyappliestotheoperation
asapumpwithload-freeneutralposition.
1) TheR
KV
portmustbeunloadedtothereservoir.
RE92076/2026-01-28,BoschRexrothAG
83 Controlsystems | HM, HS5, HS5E and EO series 1X
HS5(E)Z(P)–Zeroswivelfunctionwith(de-energized)controlvalveforA4VSGandA4CSG
Circuit diagram HS5Z
▼ Example A4CSG size 500
5
2
4
1
3
U
S
P
X
M
p
M
A2
M
B2
R
kv
K
4
M
K4
R
2
R
3
R
4
R
7
R
6
R
5
U
B
AM
B1
M
A1
K
1
R(L)T
K
3
K
2
M
E3
M
AB
E
2
E
1
S M
S
1 Pumpwithhydrauliccontroldevice
A4CSG(seedatasheet92105)
2 4/4directionalcontrolvalve(seedatasheet29027)
NG Type
500 4WRPH6CA40L-2X/G24Z4/V-855
3 Inductivepositiontransducer:
NG Type
500 AWAX004D02
withroundconnector4-pinM12×1
4 Valve(drawnde-energized)fortheactivationofthezeroswivel
function
5 DRGcontrolvalve
▼ Flow direction in closed circuit
Direction of rotation
Swiveling range
Clockwise Counter-
clockwise
B to A A to B Clockwise
A to B B to A Counter-
clockwise
Circuit diagram HS5EZ
▼ Example A4CSG size 500
5
4
2
1
3
U
S
P
X
M
p
M
A2
M
B2
R
kv
K
4
M
K4
R
2
R
3
R
4
R
7
R
6
R
5
U
B
AM
B1
M
A1
K
1
R(L)T
K
3
K
2
M
E3
M
AB
E
2
E
1
S M
S
1 Pumpwithhydrauliccontroldevice
A4CSG(seedatasheet92105)
2 HS5Epilotcontrolvalve
NG Type
500 HS5EN/6CA40L-2X/VH0/24MD7G
3 Positiontransducer(seedatasheet30263):
NG Type
500 VT-SWA-LIN-1X/G15-3-C20
withroundconnector4-pinM12×1
4 Valve(drawnde-energized)fortheactivationofthezeroswivel
function
5 DRGcontrolvalve
▼ Flow direction in closed circuit
Direction of rotation
Swiveling range
Clockwise Counter-
clockwise
B to A A to B Clockwise
A to B B to A Counter-
clockwise
15° 15° 0°
CW
CCW
15° 15° 0°
CW
CCW
BoschRexrothAG,RE92076/2026-01-28
84 HM, HS5, HS5E and EO series 1X |Controlsystems
HS5(E)Z(P)–Zeroswivelfunctionwith(de-energized)controlvalveforA4VSGandA4CSG
Dimensions HS5Z and HS5EZ
▼ A4VSG and A4CSG, size 500 HS5Z ▼ A4VSG and A4CSG, size 500 HS5EZ
A
1
A
2
M
B2
M
P
R
kv
M
A2
B
B
A
1
A2
M
B2
P
M
P
R
kv
M
A2
X
NG A
1
A
2
500 (HS5Z) 419 253
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO)or92100(A4VSG)
500 (HS5EZ) Approx.448 321
Ports Standard Size p
max
[bar]
1)
State
2)
P Controlpressureport DIN3852-1 M27×2;16deep 350 O
M
A2
, M
B2
, M
P
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 350 X
R
KV
Controlpressureuidreturnport DIN3852-1 M27×2;16deep 4 O
X Pilotpressureport DIN3852-1 M14×1.5;12deep 350 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
85 Controlsystems | HM, HS5, HS5E and EO series 1X
EO1/EO2–controlwithproportionalvalve
EO1 / EO2 – control with proportional valve
Type NG 40 71 125 180 250 260 355 370 500 750 1000
A4VSO ● ● ● – ▲ ●
1)
– – – – –
EO1
A4VSG ● ● ● – ● – – – – – –
A4VSO ● ● ● ● ▲ ● – ● ● ● ●
EO2A4VSG ● ● ● ● ● – ● – ● ● ●
A4CSG – – – – ● – ● – ● ● –
For electric displacement control with VT-5035-1X
ThecontrolEO1/2setsthedisplacementofthepumpwith
themounteddirectoperatedproportionaldirectionalvalve
proportionaltothesetpointvalue.
Thepumpsettingisreportedbyaninductiveposition
transducer.
Spring-centering
Thespring-centeringofthehydraulicstrokingcylinderis
standard.Itisusedforsettingandadjustmentinthe
depressurizedneutralposition,butwithoutadenedreset
duringhigh-pressureoperation.
Notices
▶ Thespringfeedbackinthecontrollerandpump
controlspringcenteringarenosafetydevices.
Thecontrollercanstickinanundenedpositiondue
tointernalcontamination(contaminatedhydraulic
uid,abrasionorresidualcontaminationfromsystem
components).Asaresult,theowintheaxialpiston
unitwillnolongerrespondcorrectlytotheoperator's
specications.Checkwhethertheapplicationonyour
machinerequiresadditionalsafetymeasuresto
bringthedrivenconsumertoasafeposition
(immediatestop).
Mechanical minimum andmaximum swivel
angle limitation
Displacement (setting range)
Product NG minimum in
B
3)
maximum in
B
maximum in
A
A4VSO 40…370,
750,1000
0%
3)
50…100
2)
% –
500 0%
3)
70…100
2)
% –
A4VSG 40…1000 – 50…100
2)
% 50…100
2)
%
A4CSG 250…750 – 50…100
2)
% 50…100
2)
%
Whenordering,pleasestateothersettingrequestsin
plaintext.
Electric amplier
TheelectricamplierVT5035-1Xforcontrollingthepump
swivelangleisnotincludedintheEOscopeofdelivery,
pleaseorderseparatelyinaccordancewith
datasheet29955.
Twoversionsareavailable:
Type Control pressure
[bar]
Sizes
EO1 From20 40,71,125and250
(startingonpage86)
EO2 From50/100/125 40...1000(seefrompage88)
1) Incombinationwithworkingport36,aminimumworking
pressureof50barisrequired.
2) Defaultsetting,pleasespecifyothersettingswhenordering
3) TheV
gmin
stopissettoV
g
=0l/minatP
HD
=20barbydefault
setting,i.e.thepressureis20barwhenportBisclosed,other
valuesonrequest.
BoschRexrothAG,RE92076/2026-01-28
86 HM, HS5, HS5E and EO series 1X |Controlsystems
EO1/EO2–controlwithproportionalvalve
A4VSO – open circuit
▼ Characteristic curve
U
U
max
V
g
V
g max
▼ Flow direction S to B
Direction of
rotation
Swiveling range
1)
Actuation of solenoid
Clockwise Counter-clockwise a
Counter-
clockwise
Clockwise b
Overcenterisavailableonrequest.
A4VSG and A4CSG – closed circuit
▼ Characteristic curve
U
U
max
+
U
U
max
–
+
V
g
V
g max
–
V
g
V
g max
▼ Flow direction
Direction of
rotation
Swiveling
range
1)
Flow direction Actuation of
solenoid
Clockwise
Clockwise B to A b
Counter-
clockwise
A to B
a
Counter-
clockwise
Clockwise A to B b
Counter-
clockwise
B to A
a
Technical data EO1
Size
5)
NG 40 71 125 250 260
Controlpressure(inP) p
min
bar 20 20 20 20 20
4)
p
max
bar 100 100 100 100 100
Controlstroke s
max
mm 14.2 17.1 20.7 25.9 26.7
Controlarea
A
cm
2
16.6 24.6 36.6 56.7 56.7
Controlvolume V
Smax
cm
3
23.6 42.1 75.2 147 151
Settingtime
2)
t
min
s 0.12 0.20 0.22 0.40 0.42
Weight:approx.(A4VSO…EO1…N00)
m
kg 42 59 98 200 200
Maximumhysteresis∆ V
g
3)
≤±2%ofV
gmax
Minimumrepeatability
3)
≤±1.5%ofV
gmax
Linearitydeviation
3)
≤2.5%ofV
gmax
1) Cf.Swivelangleindicator
15° 15° 0°
CW
CCW
2) With50barcontrolpressure
3) Valuesarevalidforaconstantoperatingtemperatureof50°C
4) Incombinationwithworkingport36,aminimumcontrolpressure
of50barisrequired.
5) Forthecorrelationbetweensizesandthecorrespondingvariable
displacementunit,seetheoverviewonpage85.
RE92076/2026-01-28,BoschRexrothAG
87 Controlsystems | HM, HS5, HS5E and EO series 1X
EO1/EO2–controlwithproportionalvalve
Circuit diagrams EO1
ThecontroluidtobesuppliedexternallyonportPis
drainedinternallyviathedrainportR(L)ofthepump.
▼ Sizes 40 and 71
Example:
closedcircuitA4VSG
▼ Sizes 125 to 260
Example:opencircuitA4VSO
a
b
3
2
1.1
U
R(L)TK
2
K
3
M
A
M
B
U P
S
B
E
A
3
2
4
1.2
a
b
U
R(L)TK
2
K
1
M
S
S M
2
M
1
U
S
S
P
P
B M
B
B
1
R
KV
1 Pumpwithhydrauliccontroldevice
1.1 A4VSG(seedatasheet92100)
1.2 A4VSO(seedatasheet92050)
2 4/3-wayproportionalvalve(seedatasheet29055)
NG Type
1)
40and71 4WRA6V15-2X/G24N9K4/V-589
125to260 4WRA6V30-2X/G24N9K4/V-589
3 InductivepositiontransducerAWXX004D02
2)
4 Flowcontrolplate
Ports
P Controlpressureport
S
P
Controlpressureport
R
KV
Controlpressureuidreturnport
M
1
,
M
2
Measuringport,controlpressure
1) Solenoidswithplug-inconnectoraccordingto
DINEN175.301-803-A/ISO4400M16×1.5cableglandfor
cablediameters4.5to10mm
2) Plug-inconnectorDINEN175301-803-BcableglandPG9
BoschRexrothAG,RE92076/2026-01-28
88 HM, HS5, HS5E and EO series 1X |Controlsystems
EO1/EO2–controlwithproportionalvalve
Dimensions [mm]
Dimensions EO1
▼ A4VSO and A4VSG, size 40 and 71
B
P
R(L)
A
3
A
1
A
2
A
5
A
4
R
L
15°0°15°
1.1
2
3
P
U
NG A
1
A
2
A
3
A
4
A
5
40 296 246 279 178 135
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO)or92100(A4VSG)
71 332 265 306 205 152
Ports Standard Size
1)
p
max
[bar]
2)
State
P Controlpressureport DIN3852-1 M14×1.5;12deep 100 O
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged(innormaloperation)
Forkey,seepage87
RE92076/2026-01-28,BoschRexrothAG
89 Controlsystems | HM, HS5, HS5E and EO series 1X
EO1/EO2–controlwithproportionalvalve
Dimensions [mm]
▼ A4VSO sizes 125 and 260 and A4VSG sizes 125 and 250
B
P
M
1
M
2
R
5
R
6
R
3
R
2
R
KV
R
KV
P(S
P
)
S
P
R
7
/R
4
R(L)
A
4
A
8
A
5
A
1
A
6
A
6
A
7
A
2
R
L
15°0°15°
1.1
2
4
R(L)
3
NG A
1
A
2
A
4
A
5
A
6
A
7
A
8
125 402 298 312 156 39 148 352
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO)or92100(A4VSG)
250/
260
485 345 372 192 39 184 412
Ports Standard Size p
max
[bar]
1)
State
2)
P Controlpressureport DIN3852-1 M22×1.5;14deep 100 O
S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 100 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 O
M
1
,M
2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep(NG125)
M18×1.5;12deep(NG250)
100
100
X
X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M10×1;8deep 100 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged(innormaloperation)
Forkey,seepage87
BoschRexrothAG,RE92076/2026-01-28
90 HM, HS5, HS5E and EO series 1X |Controlsystems
EO1/EO2–controlwithproportionalvalve
Technical data EO2
Size NG 40 71 125 180 250 260 355 370 500 750 1000
Controlpressure(inP) p
min
bar 50 50 50 100 100 100 100 100 125 125 125
p
max
1)
bar 315 315 315 315 315 315 315 315 315 315 315
Controlstroke s
max
mm 14.2 17.1 20.7 20.7 25.9 26.75 25.9 26.75 32.6 37.0 41.4
Controlarea
A
cm
2
8.1 12.6 18.1 18.1 28.3 28.3 28.3 28.3 38.2 56.8 63.6
Controlvolume V
Smax
cm
3
11.4 21.5 37.5 37.5 73.2 75.7 73.2 75.7 124.5 210 263.3
Settingtime
2)
t
min
s 0.1 0.12 0.2 0.2 0.25 0.26 0.25 0.26 0.3
3) 3)
Weight:approx.
(A4VSO…EO2…N00)
m
kg 42 59 98 122 200 200 220 220 338 481 611
Maximumhysteresis∆V
g
4)
≤±2%ofV
gmax
Minimumrepeatability
4)
≤±1.5%ofV
gmax
Linearitydeviation
4)
≤2.5%ofV
gmax
1) Duetothepermissibledataoftheproportionalvalve
2) Withminimumcontrolpressure
3) Valuesarevalidforaconstantoperatingtemperatureof50°C
4) Onrequest
RE92076/2026-01-28,BoschRexrothAG
91 Controlsystems | HM, HS5, HS5E and EO series 1X
EO1/EO2–controlwithproportionalvalve
Circuit diagrams EO2 – size 40 to 370
ThecontroluidtobesuppliedexternallyonportPis
drainedinternallyviathedrainportR(L)ofthepump.
ForA4CSGwithEO2,thecontrolpressurereliefvalveis
notrequiredandisreplacedwithathreadedplug.
Tominimizethecontroluidconsumption,thestroking
chambersaresealedinsizes125...355andcanbebledvia
theportsR
2
toR
7
.
▼ Sizes 40 and 71
Example:
opencircuitA4VSO
2
4
3
1.1
a
b
U
R(L)TK
2
K
1
M
S
U S
S
B M
B
B
1
R
KV
S
P
P
▼ Sizes 125 to 370
Example:
opencircuitA4VSO
2
4
3
1.1
a
b
U
R(L)TK
2
K
1
M
S
M
1
M
2
U S
S
B M
B
B
1
R
KV
S
P
P
R
7
R
4
R
3
R
2
R
6
R
5
Circuit diagram EO2 – size 500 to 1000
ThecontroluidtobesuppliedexternallyonportPis
drainedviatheportR
KV
tobeconnectedexternallytothe
reservoir.
ForA4CSGwithEO2,thecontrolpressurereliefvalveis
notrequiredandisreplacedwithathreadedplug.
Tominimizethecontroluidconsumption,thestroking
chambersaresealedandcanbebledviatheportsR
2
toR
7
.
▼ Sizes 500 to 1000
Example:
closedcircuitA4VSG
3
2
5
4
1.2
a
b
U
R(L)TK
2
R
7
R
4
R
3
R
2
R
6
R
5
K
3
U
S
R
KV
M
A1
M
A2
M
A3
M
P
P
M
B1
M
B3
M
B2
B
E
A
1 Pumpwithhydrauliccontroldevice
1.1 A4VSO(seedatasheet92050)
1.2 A4VSG(seedatasheet92100)
2 4/3-wayproportionalvalve(seedatasheet29055or29061)
NG Type
1)
40and71 4WRA6V15-2X/G24N9K4/V-589
125to370 4WRA6V30-2X/G24N9K4/V-589
500to1000 4WRE10E25-2X/24K4/V-93
3 InductivepositiontransducerAWXX004D02
2)
4 Intermediateplate
5 Flowcontrolplate
1) Solenoidswithplug-inconnectoraccordingto
DINEN175.301-803-A/ISO4400M16×1.5cableglandfor
cablediameters4.5to10mm
2) Plug-inconnectorDINEN175301-803-BcableglandPG9
BoschRexrothAG,RE92076/2026-01-28
92 HM, HS5, HS5E and EO series 1X |Controlsystems
EO1/EO2–controlwithproportionalvalve
Dimensions [mm]
Dimensions EO2
▼ A4VSO, A4VSG and A4CSG, sizes 40 to 355/370
B
P
P
P
M
1
M
2
R
5
R
6
R
3
S
P
R
2
R
KV
R
KV
R
KV
R
7
/R
4
R(L)
A
4
A
7
A
5
A
8
A
1
A
6
A
9
A
6
A
10
A
9
A
2
A
3
R
L
15°0°15°
1.1
2
4
3
W
DetailW
tomountingface
tomountingface
NG A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
40 296 248 246 222 108 43 273 128 35 53 Fordetaileddimensionsandtechnicaldata
forthevariablepump,seedatasheet92050
(A4VSO),92100(A4VSG)or92105(A4CSG)
71 332 264 265 249 123 48 300 143 30 48
125/180 402 281 298 310 156 39 350 148 0 39
250/355
260/370
485 317 345 372 192 39 412 184 0 39
Ports Standard Size p
max
[bar]
1)
State
2)
P Controlpressureport DIN3852-1 M22×1.5;14deep 315 O
S
P
Controlpressureport DIN3852-1 M22×1.5;14deep 315 X
R
KV
Controlpressureuidreturnport DIN3852-1 M22×1.5;14deep 4 X
M
1
,M
2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep(NG125and180)
M18×1.5;12deep(NG250and355)
315
315
X
X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M10×1;8deep(NG125to355) 315 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
Forkey,seepage91
RE92076/2026-01-28,BoschRexrothAG
93 Controlsystems | HM, HS5, HS5E and EO series 1X
EO1/EO2–controlwithproportionalvalve
Dimensions [mm]
▼ A4VSO, A4VSG and A4CSG, sizes 500 to 1000
B
P
M
B2
M
B3
M
A3
M
A2
M
P
R
5
R
6
R
3
R
2
R
KV
P, R
KV
R
7
/R
4
R(L)
A
4
A
5
A
1
A
6
A
2
A
3
R
L
15°0°15°
1.2
2
5
4
3
NG A
1
A
2
A
3
A
4
A
5
A
6
500 555 559 392 274 388 50
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO),92100(A4VSG)or92105(A4CSG)
750 630 591 427 304 420 50
1000 670 657 456 327 486 50
Ports Standard Size
1)
p
max
[bar]
2)
State
P Controlpressureport DIN3852-1 M27×2;16deep 315 O
R
KV
Controlpressureuidreturnport DIN3852-1 M27×2;16deep 4 O
M
P
,M
A2
,M
B2
Measuringport,controlpressure DIN3852-1 M14×1.5;12deep 315 X
M
A3
,M
B3
Measuringport,controlpressure DIN3852-1 G1/4in 315 X
R
2
…R
7
Airbleedportcontrol DIN3852-1 M14×1.5;12deep 315 X
1) Dependingontheapplication,momentarypressurepeakscanoccur.
Keepthisinmindwhenselectingmeasuringdevicesandttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged(innormaloperation)
Forkey,seepage91
BoschRexrothAG,RE92076/2026-01-28
94 HM, HS5, HS5E and EO series 1X |Controlsystems
EO2M–Suitableforuseinuid
EO2M – Suitable for use in uid
Type NG 40 71 125 180 250 260 370 500 750 1000
A4VSO ● ● ● ● ▲ ● ● ● ● ● EO2M
TheEO2MvariantcorrespondstotheEO2version,
butwithoutproportionalvalve,butwithpilotpressure
portsX
1
andX
2
.
Theproportionalvalvecanbepositionedseparatelyinthe
systemandpipedupviathedesignatedportsX
1
andX
2
ofthepump.
Theunitcanbeinstalledinthereservoirtogetherwiththe
directlymountedpositiontransducer.
ApprovedforHLPuidsDIN51524.
Withtheseparatelyplacedvalve(typeseepage91)
andaseparateVT5035-1xamplieraccordingtodata
sheet29955,ananalogEOpumpcontrolsystemcanbe
installed.
Technical data EO2M
Size NG 40 71 125 180 250 260 355 370 500 750 1000
Controlpressure
(inX
1
, X
2
)
p
min
bar 50 50 50 100 100 100 100 100 125 125 125
p
max
1)
bar 315 315 315 315 315 315 315 315 315 315 315
Controlstroke s
max
mm 14.2 17.1 20.7 20.7 25.9 26.75 25.9 26.75 32.6 37.0 41.4
Controlarea
A
cm
2
8.1 12.6 18.1 18.1 28.3 28.3 28.3 28.3 38.2 56.8 63.6
Controlvolume V
Smax
cm
3
11.4 21.5 37.5 37.5 73.2 75.7 73.2 75.7 124.5 210 263.3
Weightapprox.
(A4VSO…EO2M…N00)
m
kg 42 59 98 122 200 200 220 220 338 481 611
1) Duetothepermissibledataoftheproportionalvalve
RE92076/2026-01-28,BoschRexrothAG
95 Controlsystems | HM, HS5, HS5E and EO series 1X
EO2M–Suitableforuseinuid
Dimensions [mm]
Circuit diagrams EO2M – size 40 to 370
Tominimizethecontroluidconsumption,thestroking
chambersaresealedinsizes125...355andcanbebledvia
theportsR
2
toR
7
.
▼ Sizes 40 and 71
Example:
opencircuitA4VSO
X
1
X
2
U
BB
1
M
B
R(L)TK
2
K
1
M
S
S
U
S
3
2
1
▼ Sizes 125 to 370
Example:
opencircuitA4VSO
BB
1
M
B
U
S
3
2
1
R
5
R
6
R
7
R
2
R
3
R
4
U
R(L)TK
2
K
1
M
S
S
X
2
X
1
Circuit diagram EO2M – size 500 to 1000
Tominimizethecontroluidconsumption,thestroking
chambersaresealedandcanbebledviatheports
R
2
toR
7
.
▼ Sizes 500 to 1000
Example:
closedcircuitA4VSO
BB
1
M
B
U
S
3
2
1
M
A
M
X
X
2
M
B1
X
1
R
5
R
6
R
7
R
2
R
3
R
4
U
R(L)TK
2
K
1
S M
S
1 Pumpwithhydrauliccontroldevice(seedatasheet92050)
2 InductivepositiontransducerAWXX004D02
1)
3 Intermediateplate
1) Plug-inconnectorDINEN175301-803-BcableglandPG9
BoschRexrothAG,RE92076/2026-01-28
96 HM, HS5, HS5E and EO series 1X |Controlsystems
EO2M–Suitableforuseinuid
Dimensions [mm]
Dimensions EO2M
▼ A4VSO, sizes 40 to 370
2
15° 15°0
L
R
X
1
X
2
X
1;
X
2
X
1;
X
2
X
1
B
X
2
R(L)
R(L)
A
5
A
6
A
4
A
6
A
3
A
3
A
2
A
2
A
1
A
1
B
1
3
2
B
1
B
3
A
5
Sizes125to355
Sizes40to71
NG A
1
A
2
A
3
A
4
A
5
A
6
40/71 264.5 332 28 – 119.5 79 Fordetaileddimensionsandtechnicaldata
forthevariablepump,seedatasheet92050
(A4VSO)
125/180 298 402 67 67 47.5 186.5
250/260
/370
345 485 71 71 62.5 233
Ports Standard Size p
max
[bar]
1)
State
2)
X
1
,X
2
Controlpressureport DIN3852-1 M14×1.5;12deep(NG40and180)
M18×1.5;12deep(NG250and355)
315
315
O
O
1) Dependingontheapplication,momentarypressurepeakscan
occur.Keepthisinmindwhenselectingmeasuringdevicesand
ttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92076/2026-01-28,BoschRexrothAG
97 Controlsystems | HM, HS5, HS5E and EO series 1X
EO2M–Suitableforuseinuid
Dimensions [mm]
▼ A4VSO, sizes 500 to 750
M
B1
X
1
X
2
B
1
M
A
M
X
R(L)
A
5
A
4
A
6
A
3
A
2
A
1
B
1
3
2
B
L
R
15°
15° 0
NG A
1
A
2
A
3
A
4
A
5
A
6
500 392 555 50 50 109 274
Fordetaileddimensionsandtechnicaldataforthevariablepump,
seedatasheet92050(A4VSO)
750 427 630 50 50 119 304
Ports Standard Size p
max
[bar]
1)
State
2)
X
1
,X
2
Controlpressureport DIN3852-1 M27×2;16deep 315 O
M
A
,M
B1
,M
X
Measuringportworkingpressure DIN3852-1 M14×1.5;12deep(NG500) 315 X
1) Dependingontheapplication,momentarypressurepeakscan
occur.Keepthisinmindwhenselectingmeasuringdevicesand
ttings.
2) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92076/2026-01-28
98 HM, HS5, HS5E and EO series 1X |Controlsystems
EO2M–Suitableforuseinuid
Installation instructions
Theinstallationinstructionsfortherelevantvariable
pumpapply:
▶ A4VSO,datasheet92050
▶ A4VBO,datasheet92122
▶ A4VHOdatasheet92160
▶ A4VSG,datasheet92100
▶ A4CSG,datasheet92105
▶ A4VZAdatasheet92115
OnlythecontrolsHM1,HM2, EO2MandHS5Mare
suitableforuseinuid.
RE92076/2026-01-28,BoschRexrothAG
99 Controlsystems | HM, HS5, HS5E and EO series 1X
Projectplanningnotes
Dimensions [mm]
Project planning notes
▶ ThecontroldevicesHM,HS5,HS5EandEOare
designedforuseintheopencircuit(A4VSO,A20VO,
A4VBO,A4VHO)orclosedcircuit(A4VSG,A4CSG,
A4VZA)dependingonthepump.
▶ Theprojectplanning,installationandcommissioningof
theaxialpistonunitrequirestheinvolvementofskilled
personnel.
▶ Beforeusingtheaxialpistonunit,pleasereadthe
correspondingoperatinginstructionscompletelyand
thoroughly.Ifnecessary,thiscanberequestedfrom
BoschRexroth.
▶ Beforenalizingyourdesign,requestabinding
installationdrawing.Ifyouneeda3Dinstallation
model,pleaseconsulttheresponsiblecontactperson
atBoschRexroth.
▶ Thespecieddataandnotescontainedhereinmustbe
observed.Moreinformationontheproductscanbe
foundinthedatasheetslistedonpage1.
▶ Dependingontheoperatingconditionsoftheaxial
pistonunit(workingpressure,uidtemperature),
thecharacteristiccurvemayshift.
▶ Thecharacteristiccurvemayalsoshiftduetothedither
frequencyorcontrolelectronics.
▶ Preservation:Ouraxialpistonunitsaresuppliedas
standardwithpreservationprotectionforamaximum
of12months.Iflongerpreservationprotectionis
required(maximum24months),pleasespecifythisin
plaintextwhenplacingyourorder.Thepreservation
periodsapplyunderoptimalstorageconditions,details
ofwhichcanbefoundinthedatasheet90312orthe
operatinginstructions.
▶ Notallcongurationvariantsoftheproductare
approvedforuseinsafetyfunctionsaccordingto
ISO13849.Pleaseconsulttheresponsiblecontactat
BoschRexrothifyourequirereliabilityparameters
(e.g.,MTTF
d
)forfunctionalsafety.
▶ Dependingonthetypeofcontrolused,electromag-
neticeffectscanbeproducedwhenusingsolenoids.
Useoftherecommendeddirectcurrent(DC)onthe
electromagnetdoesnotproduceanyelectromagnetic
interference(EMI)noristheelectromagnetinuenced
byEMI.Electromagneticinterference(EMI)potential
existswhenoperatingandcontrollingasolenoidwith
amodulateddirectcurrent(e.g.PWMsignal).
Themachinemanufacturershouldconductappropriate
testsandtakeappropriatemeasurestoensurethat
othercomponentsoroperators(e.g.withapacemaker)
arenotaffectedbythispotentiality.
▶ Pressurecut-off(hydraulicorelectronic)isnot
asufcientsafeguardagainstpressureoverload.
Apressurereliefvalveshouldthereforebeprovidedin
thehydraulicsystem.Observethetechnicallimitsof
thepressurereliefvalveshere.
▶ Fordrivesthatareoperatedforalongperiodoftime
withconstantrotationalspeed,thenaturalfrequency
ofthehydraulicsystemcanbestimulatedbythe
excitationfrequencyofthepump(rotationalspeed
frequency×9).Thiscanbepreventedwithsuitably
designedhydrauliclines.
▶ Forcontrollersrequiringexternalpilotpressure,
sufcientcontroluidmustbeprovidedtothe
associatedportstoensuretherequiredpilotpressures
fortherespectivecontrollerfunction.Thesecontrollers
aresubjecttoleakageduetotheirdesign.Anincrease
incontroluiddemandhastobeanticipatedoverthe
totaloperatingtime.Thedesignofthecontroluid
supplymustthusbesufcientlylarge.Ifthecontrol
uidistoolow,therespectivecontrollerfunctionmay
beimpairedandundesiredsystembehaviormayresult.
▶ Pleasenotetheinformationregardingthetightening
torquesofportthreadsandotherscrewconnectionsin
theoperatinginstructions.
▶ Theportsandfasteningthreadsaredesignedforthe
permissiblepressuresp
max
oftherespectiveports,
seetheconnectiontables.Themachineorsystem
manufacturermustensurethattheconnectingelements
andlinescorrespondtothespeciedapplication
conditions(pressure,ow,hydraulicuid,
temperature)withthenecessarysafetyfactors.
▶ Theserviceportsandfunctionportsareonlyintended
toaccommodatehydrauliclines.
BoschRexrothAG,RE92076/2026-01-28
100 HM, HS5, HS5E and EO series 1X |Controlsystems
Safetyinstructions
Safety instructions
▶ Duringandshortlyafteroperation,thereisariskof
gettingburntontheaxialpistonunitandespeciallyon
thesolenoids.Taketheappropriatesafetymeasures
(e.g.bywearingprotectiveclothing).
▶ Movingpartsincontrolequipment(e.g.valvespools)
can,undercertaincircumstances,getstuckinposition
asaresultofcontamination(e.g.contaminated
hydraulicuid,abrasion,orresidualdirtfrom
components).Asaresult,thehydraulicuidowand
thebuild-upoftorqueintheaxialpistonunitcanno
longerrespondcorrectlytotheoperator’s
specications.Eventheuseofvariouslterelements
(externalorinternalowltration)willnotruleout
afaultbutmerelyreducetherisk.Themachine/system
manufacturermusttestwhetherremedialmeasuresare
neededonthemachinefortheapplicationconcerned
inordertobringthedrivenconsumerintoasafe
position(e.g.safestop)andensureanymeasuresare
properlyimplemented.
RE92076/2026-01-28,BoschRexrothAG
101 Controlsystems | HM, HS5, HS5E and EO series 1X
Relateddocumentation
Related documentation
Product-specic documentation
Document type Title Document number
Datasheet AxialpistonvariablepumpA4VSOseries1xand3x 92050
AxialpistonvariablepumpA4VSGseries1xand3x 92100
AxialpistonvariablepumpA4CSGseries3x 92105
AxialpistonvariablepumpA4VBOseries1xand3x 92122
AxialpistonvariablepumpA4VHOseries30 92160
AxialpistonvariablepumpA4VZAseries10 92155
AxialpistonvariablepumpA20VOseries10 93100
GoToEuropeproductoverviewmobilehydraulics 90157
Operatinginstructions AxialpistonvariablepumpA4VSOseries1xand3x 92050-01-B
AxialpistonvariablepumpA4VSGseries1xand3x 92100-01-B
AxialpistonvariablepumpA4CSGseries3x 92105-01-B
AxialpistonvariablepumpA4VBOseries1xand3x 92122-01-B
ControlsystemHS5E(V)(L)forAxialpistonvariablepump
A4VSO,A4VBO,A4VSG,A4CSGandA4VZA
92076-01-B
VT-HPC-1-1XDigitalcontrolelectronicsforaxialpistonpumps 30237-B
Documentation for control valves and control electronics
Control Title Document number
HM2C Proportionaldirectionalvalves,directacting,withelectricalpositionfeedbackand
integratedelectronics(OBE)
29105
HS5.../HS5M/ Pressuretransducerforhydraulicapplications;typeHM20 30272
HS5V/HS5L Digitalcontrolelectronicsforaxialpistonpumps;typeVT-HPC 30237
Directionalcontrolvalves,directoperated,withoutelectricalpositionfeedback;type4WRPH 29027
HS5E../HS5EV/HS5EL Swivelanglesensor;typeASSEMBLYKITVT-SWA-LIN 30263
HS5(E)K,EO1K,EO2K Directionalspoolvalves,directoperated,withsolenoidactuation;typeZ4WE 23193
HS5/HS5E RexrothHydraulicDrive;HDx-20pumpcontrol 30237–Z
EO2K 4/2and4/3directionalshut-offvalves,internallypilotoperated,externallypilotoperated;
typeZ4WEHandZ4WH
24753
EO1/EO2/EO2M Electricalamplierforowadjustmentwith
proportionalvalves;typeVT5035
29955
EO1,EO2 Electricampliers;typeVT-VSPA1-5..-1X/V0/RTP 29055
EO2 4/2and4/3proportionaldirectionalvalvesdirectoperated,withelectricpositionfeedback,
without/withintegratedelectronics(OBE)
29061
Plug-inconnectorsandwiringharnessesforvalvesandsensorsinhydraulicsystems 08006
HS5E website
Web address
www.boschrexroth.de/p-HS5E
Documentation for hydraulic uids
Document type Title Document number
Datasheet Hydraulicuidsbasedonmineraloilsandrelatedhydrocarbons 90220
Environmentallyacceptablehydraulicuids 90221
BoschRexrothFluidRatingListforRexrothhydrauliccomponents(pumpsandmotors) 90245
BoschRexrothAG,RE92076/2026-01-28
BoschRexrothAG
An den Kelterwiesen 14
72160 Horb a.N.
Germany
Phone +49 7451 92-0
sales.industry.horb@boschrexroth.de
sales.mobile.horb@boschrexroth.de
www.boschrexroth.com
©BoschRexrothAG1993. All rights reserved, also regarding any disposal,
exploitation, reproduction, editing, distribution, as well as in the event of
applications for industrial property rights. The data specied within only
serve to describe the product. As our products are constantly being further
developed, no statements concerning a certain condition or suitability for
a certain application can be derived from our information. The information
given does not release the user from the obligation of own judgment and
verication. It must be remembered that our products are subject to
a natural process of wear and aging.
102 HM, HS5, HS5E and EO Series 1X |Controlsystems