Siemens SINAMICS S120 Manual page 374

Cabinet modules liquid cooled

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9.13 K48, Sensor Module Cabinet-Mounted SMC20

Damage to the motor in the event of incorrectly connected KTY temperature sensor

If a KTY temperature sensor is connected with incorrect polarity, it is not possible to detect

when the motor overheats. Overheating can cause damage to the motor.

• Connect a KTY temperature sensor with the correct polarity.

P sense and M sense

The cables for P sense or M sense with P encoder or M encoder must be jumpered at the

encoder end. The supply voltage of the encoder is detected by the SMC20 and automatically

adjusted to 5 V to compensate any power loss.

Maximum signal cable length

The maximum signal cable length is 100 m.

Cabinet Modules liquid cooled

Equipment Manual, 04/2020, A5E37067587A