Siemens SINAMICS G120 Operating Instructions Manual page 54

Installing
4.3 Installing the Power Module
3. Connect the protective conductor of the line supply to terminal PE of the converter.
4. If available, close the terminal covers of the converter.
You have connected the line supply cable to the converter.
Permissible cable lengths
The permissible cables and cable lengths are specified in the Hardware Installation Manual
of the Power Module or in Catalog D31.
Note
• Please observe the data on the rating plate (type plate) and the associated circuit
diagrams.
• Use shielded control cables.
• Observe the EMC notes provided by the manufacturer of the converter
Connecting a motor cable to an induction motor
Procedure
To connect the motor cable to an induction motor proceed as follows:
1. Open the motor terminal box.
2. Connect the motor in either a star or delta connection.
Additional information on this is provided in the Section Star-delta motor connection and
application examples (Page 419).
3. If you are using a shielded motor cable, you must do the following:
– Expose the shield of the motor cable in the area of the cable entry in the terminal box.
– Attach the cable shield to the motor terminal box using a suitable screw connection.
4. Close the motor terminal box.
You have connected the motor cable to the induction motor.
Connecting the motor cable to the converter
Procedure
To connect the motor cable to the converter, proceed as follows:
1. If available, open the terminal covers of the converter.
2. Connect the motor to terminals U2, V2, and W2.
Carefully observe the regulations for EMC-compliant wiring:
Connecting inverters in compliance with EMC (Page 67)
3. Connect the protective conductor of the motor to the
4. If available, close the terminal covers of the converter.
You have therefore connected the motor line to the converter.
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terminal of the converter.
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB