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

Maintenance
9.6 Repair and Replace
9. Perform maintenance as required.
10.After the DC Bus LED is extinguished, verify with an appropriately sized multimeter that the
11.Connect a temporary grounding cable to the exterior metal case of the cell. Be sure to use
12.Remove the fiber optic connection
13.Route in the Panduit to prevent breaking or damaging the connector
14.Remove the outer chassis hardware and remove the chassis top cover to expose the power
15.Remove the grounding device.
16.Close the doors in reverse sequence, and replace interlock key into input switchgear.
156
DC bus is 0 Vdc.
DANGER
Possible Residual Charge
After the LED is extinguished, the capacitors inside the cell may contain a residual charge
that can lead to a lethal shock hazard. The input voltage to the cells is 750 V
produce a DC potential of 1,060 V
a cable that is long enough to reach from the cell to the cell lifter and to the floor in front of
the equipment or work bench. Use appropriate PPE and be sure not to touch any bare bus
bars while removing the cell. Note that the power cells do not have any bolted power
connections.
electronics.

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

on the DC Bus
dc
Operating Instructions Rev.201706301306
that can
ac