摘要
分析了可编程控制器在ＣＮＣ机床中的应用方式及其特点，ＰＬＣ在ＣＮＣ机床中的作用及数控装置Ｉ／Ｏ口和机床控制面板、强电信号的联接方法，研究了数控机床中Ｔ功能代码和Ｍ功能代码在ＰＬＣ上的实现方法。
This paper analyzes the application mode and the characteristics of PLC and the function of PLC in the CNC machine tool. The connection method among the PLC, I/O port of CNC control system and the control panel of machine and the power signal is also studied. The method of application of T function and M function in PLC has been developed.
