摘要
阐述了采用西门子S7-200系列的CPU224可编程序控制器控制电动机软起动的硬件结构及软件设计思想,给出了可编程序控制器控制电动机调速系统的工作原理,详细讲述了西门子的触摸屏TP177A对转速、超温、液位、振幅等故障报警显示的有关内容,并且介绍了到用户现场调试和运行情况.
It illustrates the hardware structure and design thoughts on software of CPU224 programmable controller when controlling motor to soft start. The working principles are presented at the same time. It describes in detail the alarming system of SIMATIC PANELS TP177A. Finally, adjustment and operation on the spot are introduced.
出处
《襄樊学院学报》
2009年第5期22-26,共5页
Journal of Xiangfan University
关键词
液体变阻
PLC调速控制
电动机调速
Liquid rheostat
PLC speed regulation
Motor speed regulation
