PLC电梯控制系统：本文介绍了利用可编程控制器编写的一个五层电梯的控制系统，检验电梯PLC控制系统的运行情况。实践证明，PLC可遍程控制器和MCGS组态软件结合有利于PLC控制系统的设计、检测，具有良好的应用价值。-PCL lift control system: The introduction to this text utilizes the control systems of a five- storeyed lift where the programmable controller is written, running situation of the inspection lift PLC control system. Practice has proved PLC can is it favorable to design , measuring , PLC of control system to combine all over between controller and MCGS configuration software Cheng, have good using value .