Siemens SINAMICS G120 Operating Instructions Manual page 257

● Temperature monitoring:
● Sensor monitoring (A07015 or F07016):
Setting parameters for the temperature monitoring
Parameter
p0335
p0601
p0604
p0605
p0610
p0640
Additional information on the motor temperature monitoring can be found in function diagram
8016 of the List Manual.
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB
The inverter uses a KTY sensor to evaluate the motor temperature in the range from -48°
C ... +248° C.
Use the p0604 or p0605 parameter to set the temperature for the alarm and fault
threshold.
– Overtemperature alarm (A07910):
- motor temperature > p0604 and p0610 = 0
– Overtemperature fault (F07011):
The inverter switches off with fault in the following cases:
- motor temperature > p0605
- motor temperature > p0604 and p0610 ≠ 0
– Wire-break:
The inverter interprets a resistance > 2120 Ω as a wire-break and outputs the alarm
A07015. After 100 milliseconds, the inverter changes to the fault state with F07016.
– Short-circuit:
The inverter interprets a resistance < 50 Ω as a short-circuit and outputs the alarm
A07015. After 100 milliseconds, the inverter changes to the fault state with F07016.
Description
Specify the motor cooling
0: Natural cooling - with fan on the motor shaft (factory setting)
1: Forced ventilation - with a separately driven fan
2: Liquid cooling
128: No fan
Motor-temperature sensor type
0: No sensor (factory setting)
1: PTC (→ p0604)
2: KTY84 (→ p0604, p0605)
4: Temperature switch
Motor temperature alarm threshold (factory setting 130° C)
Motor temperature fault threshold (factory setting 145° C)
Setting for KTY84 sensor. The parameter has no significance for a PTC sensor.
Motor-overtemperature response
Determines the response when the motor temperature reaches the alarm threshold
p0604.
0: Alarm (A07910), no fault.
1: Alarm (A07910); current limit is reduced and timer is started. Shutdown with fault
(F07011).
2: Alarm (A07910); timer is started. Shutdown with fault (F07011).
12: As for 2 but the last shutdown temperature is used to calculate the motor
temperature (factory setting).
Current limit (input in A)
Setting functions
8.6 Protection functions
257