节省可编程序控制器输入和输出点数的方法

Saving Method of Point Numbers to Input and Output of Programmable Controller

文章根据作者应用可编程序控制器 (PLC)设计电控系统的经验 ,详细地介绍了节省PLC输入 /输出点数的方法。

According to the experience of applying programmable controller (PLC) to design the electricity controller system,the paper introduces methods of saving PLC input and output point numbers in detail.