Removing Screw For Functional Grounding, Fsg; Disconnecting The Basic Interference Suppression Module, Fsh/Fsj - Siemens SINAMICS G120XA Operating Instructions Manual

Removing screw for functional grounding, FSG

Disconnecting the basic interference suppression module, FSH/FSJ

If a converter FSH or FSJ is operated from a non-grounded line supply (IT system), the
connection to the basic interference suppression module of the Power Module must be opened.
Procedure
1. Remove the upper cover of the converter.
2. Release the four screws
3. Slide the connection clip
connections at screws
4. Tighten all screws with 6 Nm.
SINAMICS G120XA converter
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
① ② ③ ④
, , , and , but do not remove the screws.
⑤
towards the left until the clip is disconnected from the PE
③ ④
and .
Wiring
4.1 Line supply and motor
61