Assembly
5
5.1 Protective Earthing Bars Connection
DANGER
Grounding the Drive
The VFD must be grounded to allow safe operation.
If not sufficiently grounded during operation, the protection and monitoring functions can fail.
Death, serious injury, or material damage will result.
● Always take the appropriate precautions and observe the five safety rules before carrying
out any work on the converter.
● Follow these steps when grounding the machine:
– Make the connections to the PE busbars within a cabinet.
– Ensure that the connections to the PE busbars are made over several cabinets.
– Set up the ground connection for the whole plant immediately.
Connecting the Protective Earthing (PE) Bars (for several cabinets)
Note
Each cabinet in the lineup is bonded together, generally via 1/0 cable.
SINAMICS PERFECT HARMONY GH180 6SR41 manufactured in NMA Nuernberg, Germany
Operating Instructions Rev.201706301306 85
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