Using the PLC instead of conventional relays for logic control is suggested and its control program is given.
提出了以可编程序控制器(PLC)代替常规继电逻辑控制的方法，并给出了控制程序。
This paper puts forward the plan of installing the anti-collision device, and reform the PLC logic control program of cab, which enhances the safety of the cab of the ship unloader.
对原驾驶室设计缺陷进行分析后，提出了加装防撞装置的方案，并对驾驶室PLC逻辑控制程序进行了改造。提高了卸船机驾驶室的安全性。
Program Logic Controler (PLC) is applied in control system of cement production because of its credible performance, high ration of performance to price and simple and convenient maintenance.
可编程序控制器(PLC)其性能可靠、性价比高、维护简便，在水泥生产控制中得到了广泛的应用。
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