Siemens Simatic ET 200pro FC, Operating Instructions Manual

Page: 36 / 196

Interfaces
3.2 PTC/KTY84 interface
ET 200pro FC
36
Operating Instructions, 07/2016, A5E01100763B AC
3.2 PTC/KTY84 interface
The PTC/KTY84 interface can be optionally used.
Description
The connection for a PTC/KTY84 sensor to monitor the motor temperature is integrated in
the motor plug connector.
WARNING
Electric shock when touching connection pins (male connections) in the motor terminal box
The connections for the temperature sensor and the motor holding brake are switched to
the minus potential of the DC link. Electric shock when touching the connection pins (male
connections) in the motor terminal box can result in death.
• Always keep the motor terminal box closed when the line voltage is present at the
converter.
•
Isolate unused cables.
• Use suitable insulating materials to do this.