Motor Temperature Monitoring Of The Motor Using A Temperature Sensor - Siemens sinamics G120 Operating Instructions Manual
Low voltage inverters chassis devices with cu250s-2 control units and encoder evaluation
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6.6.2
Motor temperature monitoring of the motor using a temperature sensor
Connecting the temperature sensor
It is permissible to use one of the following sensors to protect the motor against
overtemperature:
● Temperature switch (e.g. bimetallic switch)
● PTC sensor
● KTY84 sensor
● PT1000 sensor
Temperature switch
PTC sensor
Converter with CU250S-2 Control Unit
Operating Instructions, 01/2016, FW V4.7 SP6, A5E31759476B AE
The inverter interprets a resistance ≥ 100 Ω as being an opened temperature switch
and responds according to the setting for p0610.
The inverter interprets a resistance > 1650 Ω as being an overtemperature and re-
sponds according to the setting for p0610.
The inverter interprets a resistance < 20 Ω as being a short-circuit and responds with
alarm A07015. If the alarm is present for longer than 100 milliseconds, the inverter
shuts down with fault F07016.
Connect the temperature sensor of the motor to terminals
14 and 15 of the inverter.
Advanced commissioning
6.6 Protection functions
253
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