BeepBob
Member
I am not sure why this is requested, but it was asked.
Currently I have one PLC , with one output to a relay, turning on a field equipment (just using one as an example)
We are upgrading the PLC with a more modern platform.
A request is to commission the new PLC system while having the current PLC system operational. Then once the new PLC system is successfully commissioned, the old PLC system can be taken offline.
Any suggestion on how to control one piece of equipment using two PLCs (same logic).
I guess what I am trying to do is the OR rung with one OTE, in electrical circuit.
Currently I have one PLC , with one output to a relay, turning on a field equipment (just using one as an example)
We are upgrading the PLC with a more modern platform.
A request is to commission the new PLC system while having the current PLC system operational. Then once the new PLC system is successfully commissioned, the old PLC system can be taken offline.
Any suggestion on how to control one piece of equipment using two PLCs (same logic).
I guess what I am trying to do is the OR rung with one OTE, in electrical circuit.