浅谈可编程序控制器相关标准

Some viewpoints on the standards of Programmable Logic Controller

自20世纪60年代世界第一款可编程序控制器美国数字设备公司成功研制以来,可编程序控制器已发展超过60年,相关国家和国际组织先后发布了诸多标准。本文对已发布的部分标准的演进初步梳理,并简要介绍可编程序控制器中国国家标准的各部分内容,及其与国际电工委员会标准的对标。

Since the Digital Equipment Corporation successfully developed the first Programmable Logic Controller(PLC)in the world in 1960s,theProgrammable Logic Controller has developed for more than 60 years,and the standards have been issued by many countries and international organizations.In this paper,the evolution of some published standards is reviewed,and the contents of each part of the national standard of PLC in China and its relationship with the International Electrotechnical Commission(IEC)Standard are briefly introduced.