Sinamics Perfect Harmony Gh180 6Sr41 Manufactured In Nma Nuernberg, Germany - Siemens GH180 Operating Instructions Manual

Maintenance
9.2 Door Access
Procedure
1. Take the socket spanner, which can be found in the tool set, and turn it from position "O"
2. The contacts are closed and the voltage DC link is grounded.
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to position "I". The red dot marks the current position.
Figure 9-1 Make-proof grounding switch
CAUTION
Grounding while the system is live
You must note the following to prevent injury or material damage:
For operation, the make-proof grounding switch must be deactivated and the grounding
switch lever must be removed before the voltage is switched on. The interlock mechanism
is thus activated.
This prevents grounding while the system is live, which could cause a DC link short-circuit.

SINAMICS PERFECT HARMONY GH180 6SR41 manufactured in NMA Nuernberg, Germany

Operating Instructions Rev.201706301306