Communication with a VFD
I am in the need of reading and writing values to a VFD and was wondering how you go about doing this using PLCnext?
On other PLCs with their Ladder logic, i can do implicit or explicit messaging to communicate and send commands to a VFD by means of Ethernet/IP or Modbus. What kind of options do I have here if i want to be able to read values from the drive and say send a start command or frequency? I have a Eaton VFD that I want to communicate with via Ethernet/IP protocol.
Do we have any examples of how we can accomplish this through this PLCnext Engineer software? I have done some searching but there isn't really that much out there.
Comments
Hello James,
I'm not familiar with Eaton VFD device, but I think the following video/explanation can help:
EtherNet/IP™ | How to connect your PLCnext Control to controllers from other manufacturers using EIP (youtube.com)
The second option is to use Modbus TCP on-board communication, please find the library in PLCnext Store | Modbus_TCP
I hope it helps.
BR Eduard