Description
PLC用编程器或计算机编程，编程语言是梯形图、功能块图、顺序功能表图和指令表等。集散系统自身或用计算机结构形成组态构成开发系统环境。特别提出的是与STD总线工控机的区别，无论从维修、安装和模件功能都很相似。PLC更适用于黑模式下运行，
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