西门子电梯四层plc控制

沈阳工程学院课程设计I摘要随着科学技术的发展近年来，我国的电梯生产技术得到了迅速发展．一些电梯厂也在不断改进设计、修改工艺。更新换代生产更新型的电梯，电梯主要分为机械系统与控制系统两大部份，随着自动控制理论与微电子技术的发展，电梯的拖动方式与控制手段均发生了很大的变化，交流调速是当前电梯拖动的主要发展方向。目前电梯控制系统主要有三种控制方式：继电路控制系统(“早期安装的电梯多位继电器控制系统)、PLC控制系统、微机控制系统。继电器控制系统由于故障率高、可靠性差、控制方式不灵活以及消耗功率大等缺点，目前已逐渐被淘汰。微机控制系统虽在智能控制方面有较强的功能，但也存在抗扰性差，系统设计复杂，一般维修人员难以掌握其维修技术等缺陷。而PLC控制系统由于运行可靠性高，使用维修方便，抗干扰性强,设计和调试周期较短等优点，倍受人们重视等优点，已成为目前在电梯控制系统中使用最多的控制方式，目前也广泛用于传统继电器控制系统的技术改造。关键词plc电梯控制系统电梯系统运行四层电梯系统控控制设计与开发IIAbstractAlongwithscience'sandtechnology'sdevelopment,therecentyears,ourcountry'selevatorproductiontechnologyobtainedtherapidlyexpand.Someelevatorfactoryunceasinglyisalsoimprovingthedesign,therevisioncraft.Therenewalproductionrenewal'selevator,theelevatormainlydividesintothemechanicalsystemandthecontrolsystemtwomajorparts,alongwiththeautomaticcontroltheoryandmicroelectronictechnology'sdevelopment,elevator'sdraggingwayandthecontrolmethodhashadtheverybigchange,theexchangevelocitymodulationisthecurrentelevatordraggingmaindevelopmentdirection.Atpresenttheliftcontrolsystemmainlyhasthreecontrolmodes:Followingelectriccircuitcontrolsystem(“earlyinstallmentelevatormanyblack-whitecontrolsystem),PLCcontrolsystem,microcomputercontrolsystem.Becausetheblack-whitecontrolsystemthefailurerateishigh,thereliabilityisbad,controlmodenotnimbleaswellasconsumedpowerbigandsoonshortcomings,atpresenthasbeeneliminatedgradually.Althoughthemicrocomputercontrolsystemhasthestrongfunctionintheintelligentcontrolaspect,butalsohastheinterferencerejectiontobebad,thesystemdesigniscomplex,generallytheservicemenmasterflawswithdifficultyandsoonitsservicetechnology.ButPLCcontrolsystem,becausemovesthereliabilitytobehigh,theuseserviceisconvenient,anti-jamming,thedesignandthedebuggingcycleisshortandsoonmerits,timeistakenseriouslythepeopleandsoonmerits,havebecomepresentusemostcontrolmodesintheliftcontrolsystem,atpresentalsowidelyuseinthetraditionblack-whitecontrolsystem'stechnologicaltransformations.KeyWords:theplcliftcontrolsystemelevatorsystemsoperationoverhaulsanddebugs沈阳工程学院课程设计III目录摘要....................................................................IAbstract..................................................................................................................................II1.引言.....................................................................................................................................12.PLC的产生及发展..............................................................................................................23.PLC及MCGS软件简介........................................................................................................33.1PLC简介.......................................................33.2PLC的分类.....................................................33.3PLC的工作原理和结构...........................................33.3.1PLC的工作原理............................................33.3.2结构......................................................43.4西门子S7-200系列的编程软件....................................43.4.1编程准备..................................................43.4.2程序的调试和监控..........................................54.电梯的基本结构.................................................................................................................54.1电力拖动系统....................................................54.2导向系统........................................................54.3门系统..........................................................64.4轿厢............................................................64.5电气控制系统....................................................65.设计要求.............................................................................................................................65.1开关门控制实验..................................................65.2外呼按钮控制电梯升降实验........................................65.3内选按钮控制电梯升降实验........................................76.信号控制系统...................................................................................................................76.1信号控制系统介绍................................................76.2电梯的控制系统实现如下功能......................................77.硬件设计.............................................................................................................................87.1输出输入地址分配................................................87.2硬件接线图......................................................98.系统结构框图...................................................................................................................108.1电梯开关门流程图...............................................108.2电梯上升下降流程图.............................................118.3梯形图.........................................................12总结...................................................................17致谢...................................................................18四层电梯系统控控制设计与开发IV参考文献...............................................................19沈阳工程学院课程设计11.引言电梯作为高层建筑物的重要交通工具与人们的工作和生活日益紧密联系。PLC作为新一代工业控制器，以其高可靠性和技术先进性，在电梯控制中得到广泛应用，从而使电梯由传统的继电器控制方式发展为计算机控制的一个重要方向，成为当前电梯控制和技术改造的热点之一。高校中