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Q. Is it possible to communicate Quantum 434 PLC using its modbusplus port with a Yokogawa DCS having RS 485 protocol without using any gateway?
On physical verification i have seen modbusplus cable coming from Quantum PLC has three wire Tx, Rx, Screen. Whereas the DCS using RS 485 has four wires.
On physical verification i have seen modbusplus cable coming from Quantum PLC has three wire Tx, Rx, Screen. Whereas the DCS using RS 485 has four wires.