节约PLC接口的计时和计数外设定控制技术的实现

External Time and Count Setting Control Technique of Saving PLC Interface

文章介绍了节约可编程序控制器接口的计时和计数外设定控制技术 ,列举出典型PLC外设定电路的结构类型和连接形式 ,并给出具体的梯形图控制电路实例。

The paper introduces the control technique that external time and count setting of saving interface that programmable controller(PLC),and lists structure type and join manner for external count setting of typical PLC and a example of pratical Ladder Diagram of control circuit are given