SBN257
Flow meter with integrated backflow prevention and
display
SBN32IF0FRKG
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SBN257-00 — 02.12.2021 —
Product characteristics
Number of inputs and outputs
Number of digital outputs: 2; Number of analogue outputs: 1
Measuring range 60...3000 gph 1...50 gpm
Process connection
threaded connection 1 1/2" NPT
Application
Special feature
Gold-plated contacts
Application
for industrial applications
Media
Liquids; water; glycol solutions; coolants
Note on media oil 1 with viscosity: 10 mm²/s (104 °F)
oil 2 with viscosity: 46 mm²/s (104 °F)
Medium temperature [°F]
14...212
Pressure rating [bar]
25
Pressure rating [Mpa]
2.5
MAWP (for applications
according to CRN)
[bar]
25
Electrical data
Operating voltage [V]
18...30 DC; (to SELV/PELV)
Current consumption [mA]
< 50
Protection class
III
Reverse polarity protection
yes
SBN257
Flow meter with integrated backflow prevention and
display
SBN32IF0FRKG
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SBN257-00 — 02.12.2021 —
Power-on delay time [s]
< 3
Inputs / outputs
Number of inputs and outputs
Number of digital outputs: 2; Number of analogue outputs: 1
Outputs
Total number of outputs
2
Output signal
switching signal; analogue signal; frequency signal; IO-Link; (configurable)
Number of digital outputs
2
Output function
normally open / normally closed; (parameterisable)
Max. voltage drop switching
output DC
[V]
2
Permanent current rating of
switching output DC
[mA]
150; (per output 2 x 200 (...140 °F); 2 x 250 (...104 °F))
Switching cycles
(mechanical)
10 million
Number of analogue outputs
1
Analogue current output [mA]
4...20
Max. load [Ω]
500
Short-circuit protection
yes
Overload protection
yes
Frequency of the output [Hz]
0...10000
Measuring/setting range
Measuring range 60...3000 gph 1...50 gpm
Display range 0...3600 gph 0...60 gpm
Resolution 20 gph 0.2 gpm
Set point SP 20...3000 gph 0.4...50 gpm
Reset point rP 0...2980 gph 0...49.6 gpm
Frequency end point, FEP 200...3000 gph 3.4...50 gpm
In steps of 20 gph 0.2 gpm
Frequency at the end point
FRP
[Hz]
10...10000
Measuring dynamics
1:50
Temperature monitoring
Measuring range [°F]
14...212
Display range [°F]
-26...252
Resolution [°F]
2
Set point SP [°F]
16...212
Reset point rP [°F]
14...210
In steps of [°F]
2
Frequency start point, FSP [°F]
14...172
Frequency end point, FEP [°F]
54...212
Frequency at the end point
FRP
[Hz]
10...10000
Accuracy / deviations
Flow monitoring
Accuracy (in the measuring
range)
± (4 % MW + 1 % MEW); (Q > 1 l/min; medium and operating temperature: +71,6 °F ± 4K)
SBN257
Flow meter with integrated backflow prevention and
display
SBN32IF0FRKG
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SBN257-00 — 02.12.2021 —
Repeatability
± 1 % MEW
Temperature monitoring
Temperature drift
0,9802 °F / K
Accuracy [K]
3 K (77 °F; Q > 1 l/min)
Response times
Flow monitoring
Response time [s]
0.01
Damping process value dAP [s]
0...5
Damping for the analogue
output dAA
[s]
0...5
Temperature monitoring
Dynamic response T05 / T09 [s]
T09 = 120 (Q > 1 l/min)
Software / programming
Parameter setting options
hysteresis / window; normally open / normally closed; switching logic; current output;
medium selection; damping for the switching output / analogue output; display can
be rotated and switched off; standard unit of measurement; process value colour
Interfaces
Communication interface
IO-Link
Transmission type
COM2 (38,4 kBaud)
IO-Link revision
1.1
SDCI standard
IEC 61131-9 CDV
Profiles
Smart Sensor: Process Data Variable; Device Identification
SIO mode
yes
Required master port type
A
Process data analogue
2
Process data binary
2
Min. process cycle time [ms]
5
Supported DeviceIDs Type of operation DeviceID
Default 680
Operating conditions
Ambient temperature [°F]
32...140
Note on ambient temperature medium temperature < 176 °F
medium temperature < 212 °F: 32...104 °F
Storage temperature [°F]
5...176
Protection
IP 65; IP 67
Tests / approvals
EMC DIN EN 61000-6-2
DIN EN 61000-6-3
Shock resistance DIN EN 60068-2-27 20 g (11 ms)
Vibration resistance DIN EN 60068-2-6 5 g (10...2000 Hz)
UL approval UL Approval no. I007
Pressure Equipment Directive
Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
Mechanical data
Weight [g]
1817.5
SBN257
Flow meter with integrated backflow prevention and
display
SBN32IF0FRKG
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SBN257-00 — 02.12.2021 —
Materials
stainless steel (1.4404 / 316L); PBT+PC-GF30;
PBT-GF20; PC; brass chemically nickel-plated
Materials (wetted parts)
stainless steel (1.4401 / 316); stainless steel (1.4404 / 316L);
brass (2.0371); brass chemically nickel-plated; PPS; O-ring: FKM
Process connection
threaded connection 1 1/2" NPT
Displays / operating elements
Display Display unit 3 x LED, green
switching status 2 x LED, yellow
measured values alphanumeric display, red/green 4-digit
programming alphanumeric display, 4-digit
Remarks
Remarks Recommendation: use a 200-micron filter.
All data refer to water (68 °F).
MW = measured value
MEW = Final value of the measuring range
Pack quantity
1 pcs.
Electrical connection
Connector: 1 x M12; coding: A; Contacts: gold-plated
SBN257
Flow meter with integrated backflow prevention and
display
SBN32IF0FRKG
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SBN257-00 — 02.12.2021 —
Connection
OUT1:
- switching output volumetric flow quantity monitoring
- switching output Temperature monitoring
- frequency output volumetric flow quantity monitoring
- frequency output Temperature monitoring
- IO-Link
OUT2:
- switching output volumetric flow quantity monitoring
- switching output Temperature monitoring
- analogue output volumetric flow quantity monitoring
- analogue output Temperature monitoring
colours to DIN EN 60947-5-2
Core colours :
BK = black
BN = brown
BU = blue
WH = white
Diagrams and graphs
Pressure loss
dP Pressure loss
Q volumetric flow quantity
