Siemens SINAMICS S120 Equipment Manual page 319

Forming circuit for Motor Modules
Figure 10-16 Forming circuit for Motor Modules
Procedure
● The device being formed must not receive a power-on command (e.g. from the keyboard,
BOP20 or terminal block).
● Connect the appropriate forming circuit.
● Forming has been completed if the DC link voltage no longer rises.
Water-cooled chassis power units for common cooling circuits
Manual, 08/2017, 6SL3097-4AM10-0BP0
Maintenance and service
10.5 Forming the DC link capacitors
319