I am working with two GRV-EPIC-PR1 devices. On chassis 1, I have the CODESYS controller enabled and running, and on chassis 2, I do not have any controller enabled.
From CODESYS, I connect to both chassis, but it is on chassis 1 where I run the main PLC.
My question is, can I enable the PAC controller in chassis 2 without interfering with the communication I already have configured in CODESYS?
My idea is to use the second chassis to implement another PLC, but this time using PAC Control instead of CODESYS.
You would be allowed to do this, as they are separate controllers. The bigger point is if you should do this. If you are accessing the I/O from PLC 1 and just monitoring it(not controlling it from Codesys) then there may not be an issue. However, if you are running PLC 1 with Codesys and PLC 2 with PAC control, and both PLCs are controlling and turning on outputs, there can be severe issues.
There can even be issues with inputs, especially analog inputs. If you define analog inputs even slightly differently in the two control engines, you’re going to have major headaches.
