并以四层楼电梯控制系统为例，分析了用组态软件虚拟PLC被控对象的仿真原理，并详细

介绍了仿真系统开发过程的实例。教学实验表明，虚拟的PLC实验系统使学生学习起来更

直观、更容易理解、更容易接受，极大地提高了PLC课程教学的质量和效果。

关键词：组态王  仿真系统  PLC

Abstract: The "Kingview" software is applied to the PLC teaching experiment to simulate the PLC control object on the computer.

Taking the four-story elevator control system as an example, the simulation principle of the virtual PLC controlled o