基于PLC的双速电机运行控制电路的改造  

Transformation of two speed motor operation control circuit based on PLC

作　　者：季鸣 Ji Ming(Suzhou Technician College,Suzhou Jiangsu,215000)

机构地区：[1]苏州技师学院,江苏苏州215000

出　　处：《电子测试》2022年第5期119-121,共3页Electronic Test

摘　　要：为了克服继电器控制系统中的缺点,且能实现需要低速与高速相互切换的生产场合,本文先通过对双速电动机的工作原理进行分析,基于两种时间延时器自动切换的一种既经济又节能的双速电动机运行控制电路。利用三菱FX3U-48MR系列PLC实现对双速电动机运行控制电路进行改造,介绍PLC程序与实现的功能,最后通过调试与验收实现改造后的功能。In order to overcome the shortcomings of relay control system and realize the production occasions that need to switch between low speed and high speed,this paper first analyzes the working principle of two speed motor and an economic and energy-saving two speed motor operation control circuit based on automatic switching of two time delayers.Mitsubishi fx3u-48mr series PLC is used to transform the operation control circuit of two speed motor.The PLC program and functions are introduced.Finally,the transformed functions are realized through debugging and acceptance.

关 键 词：双速电动机 PLC改造 自动切换 

分 类 号：TM58[电气工程—电器]