Communication between PM554 TP ETH with VFD ACS560
Hii I am new for communication between PM554 PLC with ACS560 VFD using RS 485 communication. Can anyone guide me to how to give on/off commands from plc to VFD and how to set frequency for control speed . Thanks in advance.
You can try to use this example downloadable from the ABB library, it concerns the connection in ModBus RTU with an ACS350 drive, but being the ABB drives with many similarities in my opinion it can help you.
Try to search in Library with this code: 2CDC125126M0201
Or use the attached file, with an example of program