Further information for Ifm Electronic SR0151 - Control monitor flow sensors Mounting DIN rail
Approvals / tests
MTTF
263 years
Displays / controls
Indication
Function / 11 x LED; Switching state / LED, red; Switching state / LED, red
Electrical connection
Required fuse rating
Miniature fuse according to IEC60127-2 Sheet 1; ≤ 5 A; fast
Electrical data
Operating voltage tolerance
-20...10 %
Operating voltage
24 DC V
Electricity consumption
90 mA
Protection class
III
Standby delay time
10...80; (adjustable (fixed resistors terminals 22-23)) s
Number of channels
1
Reverse polarity protected
Environmental conditions
Ambient temperature
-20...60 °C
Note on ambient temperature
with sufficient free space for convection cooling
Degree of protection
IP 20
Field of application
Application
Flow monitoring; temperature monitoring; cable monitoring
Mechanical data
Housing
rectangular
Mounting method
DIN rail mounting; (TH35 (EN 60715))
Dimensions
100 x 25 x 103,5 mm
Materials
Housing: PBT
Outputs
Failure behaviour
In case of undervoltage, all relays drop out; LED "LOW VOLTAGE/WIRE BREAK-RELAY" lights up
Electrical version
Relay
Contact rating
4 A (250 V AC / 30 V DC)
Switching function flow monitoring
Relay is energised during flow and during the standby delay time
Switching function temperature monitoring
Relay pulls in on temperature exceedance
Line monitoring switching function
Relay drops out in case of wire break or short circuit
Short-circuit-proof
Overload resistant
Remarks
Remarks
Recommendation: After a short circuit, check the device for safe operation!
Response times
Response time
< 3 s
Software / Programming
Switching point adjustment
Potentiometer
Range selection liquid / gaseous
Wire bridge; delivery condition: monitoring of liquid media; for monitoring gaseous media: bridge terminals 23 / 24.
Temperature range
40...120 °C
Reproducibility of set switching point
4 K
Control monitor for flow sensors, Mounting on DIN rail, DC, Electrical connection by means of Combicon connectors with screw terminals (fitted), Connection: 1 sensor, Connection: 1 sensor
Application: flow, temperature and wire break monitoring
Electrical design: DC
Operating voltage: 24 V DC
Output function: Relay
Switching function:
- Flow monitoring: relay energised when flow is present and during the power-on delay time
- Temperature monitoring: relay energised when temperature is exceeded
- Wire break monitoring: relay de-energised in case of wire break or short circuit
Contact rating: 4 A (250 V AC / 30 V DC)
Adjustment of the switch point: potentiometer
Switch point setting: potentiometer
Temperature range: 40...120
Function display: 11 LED
Output status indication: Red LED
Output status indication: Red LED
Connection: Combicon connector
Housing materials: PBT
Ambient temperature: -20...60, in case of sufficient free space for convection cooling °C
Protection: IP 20
Accessories (to be ordered separately): Mounting accessories