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1、无锡职业技术学院毕业实践任务书课题名称基于MCGS组态软件技术的水位控制远程监控系统的应用研究指导教师苏卫峰职称讲师专业名称生产过程自动化班级20732学生姓名尹梁学号课题需要完成的任务:1、通过MCGS组态软件、可变程序控制器变频器(PLC)、液位传感器、配电装置以及水泵实现液位控制系统的设计2、确定控制方案,选择MCGS组态软件及PLC型号,定义输入/输出,画出流程图和梯形图。3、进行软件编程、完成控制梯形图并完成调试。4、熟练掌握MCGS组态软件的使用方法和调试步骤。计划课题:2010.3.1~2010.3.10
2、了解工艺过程和控制要求2010.3.11~2010.3.20熟悉元器件及选择和硬件电路设计2010.3.21~2010.3.31程序流程图绘制2010.4.1~2010.4.10程序模拟调试与修改2010.4.11~2010.4.15整理图纸及各类资料,完成毕业设计论文,准备答辩计划答辩时间:2010年4月20日~5月5日自动控制技术系(部、分院)2010年5月4日无锡职业技术学院毕业设计说明书(英文翻译)PLCs--Past,PresentandFutureEveryoneknowsthere'sonlyonecon
3、stantinthetechnologyworld,andthat'schange.ThisisespeciallyevidentintheevolutionofProgrammableLogicControllers(PLC)andtheirvariedapplications.Fromtheirintroductionmorethan30yearsago,PLCshavebecomethecornerstoneofhundredsofthousandsofcontrolsystemsinawiderangeofin
4、dustries.Atheart,thePLCisanindustrializedcomputerprogrammedwithhighlyspecializedlanguages,anditcontinuestobenefitfromtechnologicaladvancesinthecomputerandinformationtechnologyworlds.Themostprominentofwhichisminiaturizationandcommunications.TheShrinkingPLCWhenthe
5、PLCwasfirstintroduced,itssizewasamajorimprovement-relativetothehundredsofhard-wiredrelaysandtimersitreplaced.AtypicalunithousingaCPUandI/Owasroughlythesizeofa19televisionset.Throughthe1980sandearly1990s,modularPLCscontinuedtoshrinkinfootprintwhileincreasingincap
6、abilitiesandperformance(seeDiagram1fortypicalmodularPLCconfiguration).Inrecentyears,smallerPLCshavebeenintroducedinthenanoandmicroclassesthatofferfeaturespreviouslyfoundonlyinlargerPLCs.ThishasmadespecifyingalargerPLCjustforadditionalfeaturesorperformance,andnot
7、increasedI/Ocount,unnecessary,aseventhoseinthenanoclassarecapableofEthernetcommunication,motioncontrol,on-boardPIDwithautotune,remoteconnectivityandmore.PLCsarealsonowwell-equippedtoreplacestand-aloneprocesscontrollersinmanyapplications,duetotheirabilitytoperfor
8、mfunctionsofmotioncontrol,dataacquisition,RTU(remotetelemetryunit)andevensomeintegratedHMI(humanmachineinterface)functions.Previously,thesefunctionsoftenrequiredtheir