Issue:
Maintain running speed on the ATV320 even if the Modbus communication is lost.

Product Line:
ATV320

Environment:
All

Cause:
Configuration

Resolution:
Yes this can be done.
Parameter SLL in the Com Fault Management menu and can be used to modify the behavior of the VFD after a communication interruption: including the option to run at the last commanded frequency or to run at a fixed (fallback) speed.

Care must be taken to ensure safe operation of the equipment...see the drive programming manual for details.

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