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1届本科毕业论文（设计）论文题目基于校园网的水泵房远程控制系统的设计学生姓名所在院系所学专业应用电子技术教育导师姓名完成时间摘要本文介绍了以可编程控制器与变频器为核心的远程控制系统，并对其控制原理、硬件选择、软件设计进行重点阐述，从而对传统的城市供水系统进行改造，2可以有效的解决以前供水压力波动大、系统故障率高、能源浪费严重等一系列问题。同时，系统具有自动和手动两种控制方式，便于对系统进行维护修理，并能通过应用软件对供水系统进行监控和远距离控制。提高效率，实现自动化供水。关键词PLC，变频器，自动控制，远程Campusnetworkbasedonremotecontrolofpumpingsystemdesignabstract3ThisarticlehasintroducedthecontrolsystemwithProgrammableLogicalControllerandFrequencyConverteratthecore,andemphaticallydescribethiscontrolsystemscontrolprinciple,thehardwarechoosingandsoftwaredesign.Thustransformedthetraditionalcitywatersupplysystem.Effectivesettlementsupplywaterpressuretofluctuateheavy,thesystempublishesfaultratehigh,energyserieswastesuchastheseproblems.Meanwhile,thesystemhasautomaticandmanualtwokindsofcontrolway.Canbeconvenientmaintainandrepairingtothesystem.AndMonitorthewatersupplysystemthroughtheapplicationsoftwareandwithLargedistance.Raisetheefficiency,realizeautomationsupplieswater.KeyWordsPLC,FrequencyConverter,AutomaticallyControl目录41绪论..............................................................................................12控制系统的工作原理....................................................................22.1变频调速原理...............................................................................................22.2系统工作原理...............................................................................................33硬件选择.......................................................................................73.1PLC的选择..................................................................................................73.2变频器的选择..............................................................................................73.3变送器的选择..............................................................................................83.3.1压力变送器的选择..........................................................................83.3.2温度变送器的选择..........................................................................94软件设计........................................................................................94.1I/O口分配..................................................................................................104.2程序流程图.................................................................................................114.3PLC控制程序.............................................................................................115供水系统调试.............................................................................116结束语.........................................................................................12致谢................................................................................................13参考文献.........................................................................................13附录PLC程序梯形图..................................................................15
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