PLC control system

by:V&T Technologies     2020-03-11
PLC control system, Programmable Logic Controller, Programmable Logic Controller is designed for industrial production of a kind of digital computing operations electronic device, it USES a Programmable memory, used for its internal storage procedures, to perform the Logic operation, sequence control, timing, counting and arithmetic operations such as user-oriented instructions, and through the digital or analog input/output control various types of machinery or production process. Is the core part of industrial control. Since the 1960 s the United States to launch a programmable logic controller ( 可编程序逻辑控制器,PLC) Since the device instead of traditional relay control, PLC got rapid development, has been widely used all over the world. At the same time, the function of PLC are continually improved. Along with the computer technology, signal processing technology, control technology, the development of network technology and the continuous improvement of user requirements, the PLC on the basis of switch process and increased the analog processing and motion control, and other functions. Today is no longer limited to the logic control of PLC, motion control, process control and other fields also plays a very important role.
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