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IFM SR0153
SR0153
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Warranty 1 year
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Description
For the connection of flow sensors
Integrated flow, temperature and wire monitoring
Adjustable switching outputs for monitoring flow and temperature
Clearly visible multi-colour LED bargraph display
Signal output via potential-free relay contacts
Specification
Application
| Application | Flow monitoring; Temperature monitoring; Wire monitoring |
|---|
Electrical data
| Operating voltage tolerance[%] [%] | -10...10 |
|---|---|
| Operating voltage[V] [V] | 24 DC |
| Current consumption[mA] [mA] | 90 |
| Protection class | III |
| Reverse polarity protection | no |
| Power-on delay time[s] [s] | 10...80; (adjustable (fixed-value resistors terminals 22-23)) |
| Number of channels | 1 |
Outputs
| Performance in case of a fault | In case of undervoltage all relays are de-energised; the LED "LOW VOLTAGE/WIRE BREAK-RELAY" lights |
|---|---|
| Electrical design | relay |
| Contact rating | 4 A (250 V AC / 30 V DC) |
| Switching function flow monitoring | relay energised when flow is present and during the power-on delay time |
| Switching function temperature monitoring | relay de-energised when temperature is exceeded |
| Switching function wire break monitoring | relay de-energised in case of wire break or short circuit |
| Short-circuit proof | no |
| Overload protection | no |
Response times
| Response time[s] [s] | < 3 |
|---|
Software / programming
| Adjustment of the switch point | potentiometer |
|---|---|
| Selection liquids / gases | wire bridge; on delivery: monitoring of liquids.; for monitoring of gases: link terminals 23 / 24. |
| Switch point setting | potentiometer |
| Temperature range[°C] [°C] | 0...80 |
| Repeatability of the set switch point[K] [K] | 4 |
Operating conditions
| Ambient temperature[°C] [°C] | -20...60 |
|---|---|
| Note on ambient temperature | in case of sufficient free space for convection cooling |
| Protection | IP 20 |
Tests / approvals
| MTTF[years] [years] | 263 |
|---|
Mechanical data
| Weight[g] [g] | 233 |
|---|---|
| Housing | rectangular |
| Type of mounting | mounting on DIN rail; (TH35 (EN 60715)) |
| Dimensions[mm] [mm] | 100 x 25 x 103.5 |
| Materials | PBT |
Displays / operating elements
| Display | function 11 x LED switching status LED, red switching status LED, red |
|---|---|
| function | 11 x LED |
| switching status | LED, red |
Electrical connection
| Required protection | miniature fuse to IEC60127-2 sheet 1; ≤ 5 A; fast acting |
|---|
Remarks
| Remarks | Recommendation Check the safe functioning of the unit after a short circuit. |
|---|---|
| Pack quantity | 1 pcs. |
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