This paper introduces an experimental method using computer graphic simulation to debug PLC control system,which can make the debug prcedure fo the whole control system illustrative,conveninet economical and practical.

• 介绍了一种利用计算机图形仿真的实验方法来调试PLC控制系统，使得整个控制系统的调试过程直观、方便、经济实用。