Modbus I/O Module, Modbus PLC Controller, Serial Server for Industrial manufacturer / supplier in China, offering Digital Input Module 16di RS-485 Modbus I/O Remote Modules (A-1051), 16di Digital I/O Module with Modbus (A-1051), Manufacturers Modbus RTU Sensor Data Acquisition Io Module 8di, 8do (Source Transistor Output) and so on.
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