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Can ATV312 drive be programmed to have a 3-contactor bypass?

Issue:
Programming for 3-contactor bypass on an ATV312

Product Line:
ALTIVAR 312, ATV312

Environment:
All

Cause:
Control design

Resolution:
ATV312 is not available as an enclosed product with bypass feature.  However, the drive can be incorporated into a 3 contactor bypass design.
The Isolation (IC) and Bypass (BC) contactors are controlled by an external control circuit.  The ATV312 will control the Drive Output contactor (DOC) with an output relay assigned  for RUN status.  Then use an DOC aux contact for a run permissive input to the VFD.
An example wiring diagram is attached.

Schneider Electric Mexico

Documentos adjuntos
VFD eg 3 contactor bypass.pdf [164.8 KB]
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