| 黄建国 宝鸡车辆厂（721006） 摘要：详细介绍了PLC改造电梯的全过程。从机械部分的维护保养，到应用PLC控制技术对实现九层九站电梯控制系统改造的应用，包括硬件系统的构成和软件设计的方法，对软件设计中遇到的疑难问题进行了分析，提出了解决方法。
关键字：PLC，电梯，自动控制，软件分析 Abstract： This paper proposes the whole process of elevator improvement by PLC in detail. The maintenance of the mechanical part and the controlling technologies of PLC which is applied in the implementation of the controlling system improvement for 9-floors elevator are presented in this paper, also discussed the composition of hardware system and the methods of the software design.
Keywords：PLC, elevator, automatic controlling, software design |
