ifm Electronic SR0153 Auswerteeinheit für Strömungssensoren

Application

• Application: Flow monitoring; Temperature monitoring; Wire monitoring

Electrical data

• Operating voltage tolerance [%]: -10...10
• Operating voltage [V]: 24 DC
• Current consumption [mA]: 90
• Protection class: III
• Reverse polarity protection: no
• Power-on delay time [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]: < 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]: 0...80
• Repeatability of the set switch point [K]: 4

Operating conditions

• Ambient temperature [°C]: -20...60
• Note on ambient temperature: in case of sufficient free space for convection cooling
• Protection: IP 20

Tests / approvals

• MTTF [years]: 263

Mechanical data

• Weight [g]: 233
• Housing: housing for DIN rail mounting
• Dimensions [mm]: 100 x 25 x 103.5
• Materials: PBT

Displays / operating elements

• Display: function,