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Plc System

- May 17, 2018 -

PLC control system, Programmable Logic Controller, Programmable Logic Controller, an electronic device designed for industrial operation and digital operation. It adopts a type of programmable memory for storing programs internally, performing logical operations, and sequencing. User-oriented commands such as control, timing, counting and arithmetic operations, and control of various types of machinery or production processes through digital or analog input/output. It is the core part of industrial control.


Since the United States introduced the Programmable Logic Controller (PLC) in the 1960s to replace the traditional relay control device, the PLC has been rapidly developed and has been widely used around the world. At the same time, the functions of the PLC have also been continuously improved. With the continuous development of computer technology, signal processing technology and control technology network technology and continuous improvement of user requirements, PLC has added analog processing and motion control functions based on switch processing. Today's PLC is no longer limited to logic control, and it also plays a very important role in motion control, process control and other fields.


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