How to run the ATV312 in reverse when controlling via Profibus?
How to run the ATV312 in the reverse direction when controlling via Profibus?
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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.