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可编程控制器(PLC)是一种数字运算与操作的控制装置,PLC以其多种功能以及高可靠性在当前的工业控制中获得广泛的应用,成为现代工业自动化的支柱。介绍了PLC的功能特点及应用,并对其存在的问题和将来的发展作了分析。
The programmable logic controller (PLC) is a kind of digital operation and control device. PLC has been widely used in the current industrial control due to its multiple functions and high reliability, becoming the pillar of modern industrial automation. Introduced the PLC’s function characteristic and the application, and has its the question and the future development has made the analysis.