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Can the logic input of the ATV312 be powered by and external 24 volts supply?

Published date: 24 June 2020

Issue: 
External 24 volts supply to power the logic input of the ATV312

Product Line:
ALTIVAR 312, ALTIVAR 61, ALTIVAR 71, ALTIVAR 212, ALTIVAR 12, ALTIVAR 32

Environment:

All serial number

Cause:
N/A

Resolution:
Yes, the logic input of the Altivar drives can by powered by an external 24 Volts supply.  The common (Negative) of the external 24 volts supply must be connected to the Common terminal of the VFD

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