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 ①, ②, ③, and ④, but do not remove the screws.
3. Slide the connection clip ⑤ towards the left until the clip is disconnected from the PE
connections at screws ③ and ④.
4. Tighten all screws with 6 Nm.
7771V\VWHP
,7V\VWHP
Wiring
4.1 Line supply and motor
SINAMICS G120XA converter
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB 61
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