Frequency Inverter DF51... - Moeller.com.tr

04/07 AWB8230-1541GB Monitoring functionsThermistor (PTC)You can configure digital input 5 as PTC thermistor input. The PTCthermistor connected to terminal 5 and L monitors the motor’stemperature. If the resistance of the thermistor rises above3000 O (g10 %), the motor is stopped and fault signal E35 isissued.PTCResistance [ ]1200040001650750IEC-Tripping rangeResettingrange3600 Tripping1600 ResetL5i60Tolerance limitsTemperature [°C]Figure 126:Digital input 5 configured as PTC (thermistor input)NAT NATNATNAT NAT–20° –5° +5° +15°Figure 127:Characteristic of a PTC thermistorX Configure digital input 5 as PTC by setting PNU C005 to 19.hhThe PTC thermistor can be connected only to digital input5; digital inputs 1 to 4 can not be used.If digital input 5 is configured as PTC, but no thermistor isconnected, fault message E 35 is displayed.If the DF51 has issued fault signal E 35 and you want toreconfigure digital input 5, which is configured as PTC, do thefollowing:X Connect a link between digital input 5 and terminal L.X Press the Stop key to acknowledge the fault message.X You can now assign a new function to digital input 5 underPNU C005.PNU Designation RUN b031= 10Value Function DSC085Thermistor<strong>com</strong>pensation(digital input 5)j j 0…200 % Compensation for thermistor connection. 100117