In the paper, traffic signal light is controlled by PLC-200 by using programming logic controller of Siemens company.
文章主要是采用西门子公司的可编程逻辑控制器PLC - 200来实现交通信号灯的控制。
The main content of IEC1131 3 standard about Programmable Logic Controller standardizing programming, its progress and influence to PLC and DCS is introduced.
介绍了国际电工委员会有关可编程序控制器标准化编程的IEC1131 3标准的主要内容、进展及其对可编程序控制器和分散型控制系统的影响。
This paper introduces the study procedure of elevator model and the method of story-selection by PLC(programming logic controller) in detail.
该文介绍了应用于实验教学的电梯模型研制过程，同时详细介绍了电梯选择楼层的方法。
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