How to run the ATV312 in reverse when controlling via Profibus?
Issue:
Controlling ATV312 in reverse direction with Profibus.
Product Line:
ALTIVAR 312
Environment:
All Serial numbers
Cause:
N/A
Resolution :
When controlling the ATV312 VIA profibus, profibus ignores the last 8 bits of the ATV312 Modbus Command word. Therefore, to command the VFD to run in the reverse direction, a negative speed reference must be written to the speed reference.
Controlling ATV312 in reverse direction with Profibus.
Product Line:
ALTIVAR 312
Environment:
All Serial numbers
Cause:
N/A
Resolution :
When controlling the ATV312 VIA profibus, profibus ignores the last 8 bits of the ATV312 Modbus Command word. Therefore, to command the VFD to run in the reverse direction, a negative speed reference must be written to the speed reference.