Monitoring functions and protective functions
9.5 Thermal motor protection
Drive functions
652 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
A Terminal Module 31 (TM31) is used when additional digital and analog inputs/outputs
required. The temperature sensor is connected at terminal X522. The values of the fault
and/or alarm thresholds can be set in parameter p4102[0..1] from -48 °C to 251 °C.
p4102 = 251°C deactivates the alarm and fault threshold. The factory setting is 100 °C for
the alarm threshold and 120 °C for the fault threshold.
● p0600 = 10 activates the motor temperature measurement via the external sensor.
● p0603 sets the signal source for the evaluation of the motor temperature
● p4100 = 0 disables the evaluation. Then parameter r4105 = -300°C.
● p4100 = 1 sets the PTC temperature sensor type and activates the evaluation.
● r4105 indicates the following values:
– If the temperature actual value is less than the nominal response temperature, then -
50°C is displayed.
– If the temperature actual value is higher than the nominal response temperature, then
250 °C is displayed.
– If the actual temperature value is invalid (F35920 initiated), then -300°C is displayed.
– If p4100 = 0, -300°C is displayed.
● p4100 = 2 sets the KTY84 temperature sensor type and activates the evaluation.
● r4105 indicates the following values:
– The actual temperature value of the temperature evaluation
– -300 °C if no sensor has been selected or the temperature actual value is invalid
● p4100 = 6 sets temperature sensor type PT1000 and activates the evaluation.
● r4105 indicates the following values:
– The actual temperature value of the temperature evaluation
– -300 °C if no sensor has been selected or the temperature actual value is invalid
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