Modbus I/O Module, Modbus PLC Controller, Serial Server for Industrial manufacturer / supplier in China, offering Industrial Ethernet PLC Controller (A-5389), Digital I/O Module 8di 8do Source Output with RS-485 Port Modbus RTU Protocol (A-1055S), Ethernet Industrial Automation PLC Controller with 14di, 8do Relay, 4ai, 2ao and so on.
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