The article introduces mainly several methods to save PLC input points.
文章主要介绍了节约PLC输入点的几种方法。
How to save PLC input points is one of the keys to simplify electrical control system structure and reduce cost.
如何节约PLC输入点是精简电控系统结构，降低成本的关键之一。
How to save PLC input points is one of the keys to simplify electrical control system structure and reduce cost.
如何节约PLC输入点是精简电控系统结构，降低成本的关键之一。
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