可编程控制器在液压测试系统中的应用

The Use of Programmbale Logical Controller \ in the Hydraulic Test System

介绍可编程控制器在液压元件测试系统中的应用，分析所采用的ＰＬＣ结构及其在系统中所完成的功能。

The paper introduces the use of PLC in hydraulic unit test system,analises the construction of PLC used and its function in the system,and discusses the method of software design.