FS172
Valve model
DPZO-*-1
DPZO-*-2
DPZO-*-4 DPZO-*-6
Pressure limits
[bar]
ports P, A, B, X = 350; T = 250 (10 for option /D); Y = 10;
Spool type
standard
special
L5, DL5, S5, D5 L3, S3, D3 L5, DL5, S5, D5 L5, S5, D5
D9 D9, L9 D9
Nominal flow (1)
[l/min]
Δp P-T
100 160 250 480 640
160 270 430 830 1100
180 400 550 1000 1600
Piloting pressure [bar] min. = 25; max = 350
Piloting volume [cm
3
] 1,4 3,7 9,0 21,6
Piloting flow (2) [l/min]
1,7 3,7 6,8 14,4
Leakage (3)
100 / 300 100 / 300 200 / 500 900 / 2800
0,15 / 0,5 0,2 / 0,6 0,3 / 1,0 1,0 / 3,0
Response time (4) [ms]
≤ 60 ≤ 75 ≤ 90 ≤ 120
Hysteresis
≤ 1 [% of max regulation]
Repeatability
± 0,5 [% of max regulation]
Thermal drift
zero point displacement < 1% at ΔT = 40°C
Pilot [cm
3
]
Main stage [l/min]
9
ELECTRICAL CHARACTERISTICS
Note: a maximum time of 800 ms (depending on communication type) have be considered between the driver energizing with the 24 V
DC
power supply and when the valve is ready to operate. During this time the current to the valve coils is switched to zero.
Power supplies
Nominal : +24 V
DC
Rectified and filtered : V
RMS = 20 ÷ 32 VMAX (ripple max 10 % VPP)
Max power consumption 50 W
Max. solenoid current 2,6 A
Coil resistance R at 20°C
3 ÷ 3,3
Ω
Analog input signals
Voltage: range ±10 V
DC (24 VMAX tollerant) Input impedance: Ri > 50 kΩ
Current: range ±20 mA Input impedance: Ri = 500 Ω
Monitor outputs
Output range: voltage ±10 V
DC
@ max 5 mA
current ±20 mA @ max 500 Ω load resistance
Enable input
Range: 0 ÷ 5 V
DC (OFF state), 9 ÷ 24 VDC (ON state), 5 ÷ 9 VDC (not accepted); Input impedance: Ri > 10 kΩ
Fault output
Output range: 0 ÷ 24 V
DC (ON state > [power supply - 2 V] ; OFF state < 1 V ) @ max 50 mA;
external negative voltage not allowed (e.g. due to inductive loads)
Alarms
Solenoid not connected/short circuit, cable break with current reference signal, over/under temperature,
valve spool transducer malfunctions, alarms history storage function
Insulation class
H (180°) Due to the occuring surface temperatures of the solenoid coils,
the European standards ISO 13732-1 and EN982 must be taken into account
Protection degree to DIN EN60529 IP66 / IP67 with mating connectors
Duty factor Continuous rating (ED=100%)
Tropicalization Tropical coating on electronics PCB
Additional characteristics
Short circuit protection of solenoid’s current supply; 3 leds for diagnostic; spool position control by P.I.D.
with rapid solenoid switching; protection against reverse polarity of power supply
Electromagnetic compatibility (EMC) According to Directive 2014/30/UE (Immunity: EN 61000-6-2; Emission: EN 61000-6-3)
Communication interface
USB
Atos ASCII coding
CANopen
EN50325-4 + DS408
PROFIBUS DP
EN50170-2/IEC61158
EtherCAT, POWERLINK,
EtherNet/IP, PROFINET IO RT / IRT
EC 61158
Communication physical layer
not insulated
USB 2.0 + USB OTG
optical insulated
CAN ISO11898
optical insulated
RS485
Fast Ethernet, insulated
100 Base TX
Recommended wiring cable
LiYCY shielded cables, see section
18
(1) For different Δp, the max flow is in accordance to the diagrams in section 12.2
(2) With step reference input signal
0 ÷100 %
8
HYDRAULIC CHARACTERISTICS - based on mineral oil ISO VG 46 at 50 °C
(3) At p = 100/350 bar
(4) 0-100% step signal see detailed diagrams in section 11.3
10
SEALS AND HYDRAULIC FLUIDS - for other fluids not included in below table, consult our technical office
Seals, recommended fluid temperature
NBR seals (standard) = -20°C ÷ +60°C, with HFC hydraulic fluids = -20°C ÷ +50°C
FKM seals (/PE option) = -20°C ÷ +80°C
HNBR seals (/BT option) = -40°C ÷ +60°C, with HFC hydraulic fluids = -40°C ÷ +50°C
Recommended viscosity
20÷100 mm
2
/s - max allowed range 15 ÷ 380 mm
2
/s
Hydraulic fluid
Suitable seals type
Classification
Ref. Standard
Mineral oils
NBR, FKM, HNBR
HL, HLP, HLPD, HVLP, HVLPD
DIN 51524
Flame resistant without water
FKM
HFDU, HFDR
ISO 12922
Flame resistant with water
NBR, HNBR
HFC
Max fluid
contamination level
see also filter section at
www.atos.com or KTF catalog
normal operation
longer life
ISO4406 class 18/16/13 NAS1638 class 7
ISO4406 class 16/14/11 NAS1638 class 5
Δp = 10 bar
Δp = 30 bar
Max permissible flow