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S7-200 PLC在恒压供水系统改造中的应用
Application of S7-200 PLC in Transformation of Constant Pressure Water Supply System
【摘要】 文章介绍了使用S7-200 PLC和EM235模块对原有供水系统的控制系统进行改造的方法。该方法以较低成本在实现恒压供水功能基础上新增了自动切泵运行的功能,延长了设备使用寿命。
【Abstract】 This paper introduces the method of transforming the control system of the original water supply system by using S7-200 PLC and EM235 module.The method adds the function of automatic switchover of pumps on the basis of realizing constant pressure water supply function,thus extending the service life of the equipment.
【关键词】 S7-200 PLC;
恒压供水;
自动切泵;
【Key words】 S7-200 PLC; constant pressure water supply; automatic switchover;
【Key words】 S7-200 PLC; constant pressure water supply; automatic switchover;
- 【文献出处】 电工技术 ,Electric Engineering , 编辑部邮箱 ,2019年18期
- 【分类号】TU991
- 【被引频次】2
- 【下载频次】365