The PLC programming controller controls the rotating direction and the revolution of the servomotor (3) according to the set thickness and specification.
PLC根据设定的厚度、规格确定伺服电机（3）在压光时转动的 转向、转数。
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。
This paper discusses the programming method of applying shift register of programmable controller (PLC) for switching signals control system.
本文论述了应用可编程序控制器(plc)的移位寄存器对开关量控制系统的编程方法。
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