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When interfacing a PLC and a DCS system, I had never been able to fully understand the communication terminology. Is RS485/RS232 serial communication, and ethernet connection two different ways (options) to interface these equipments and accomplish the same thing? Do they in instances use the same type of electrical connectors? I know that RS232 is limited to 50' distances, while RS485 goes further.
I'll appreciate you all input. Thanks.
I'll appreciate you all input. Thanks.