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1、2008WorkshoponPowerElectronicsandIntelligentTransportationSystemDesignandPracticeofanElevatorControlSystemBasedonPLC1,211XiaolingYang,QunxiongZhu,HongXu1CollegeofInformationScience&Technology,BeijingUniversityofChemicalTechnology,Beijing100029,China2AutomationCollegeofBeijingUnionUn
2、iversity,Beijing,100101,Chinayxl_lmy@sina.com,zhuqx@mail.buct.edu.cn,AbstractTheelectricpowerdrivingsystemincludes:theThispaperdescribesthedevelopmentof2nine-storeyelevatorcar,thetractionmotor,doormotor,brakeelevatorscontrolsystemforaresidentialbuilding.Themechanismandrelevantswitch
3、circuits.controlsystemadoptsPLCascontroller,andusesaHereweadoptedanewtypeofLCseriesACparallelconnectiondispatchingrulebasedon"minimumcontactorstoreplacetheoldones,andusedPLC’swaitingtime"torun2elevatorsinparallelmode.Thecontactstosubstitutetheplentyofintermediaterelays.papergivesthe
4、basicstructure,controlprincipleandThecircuitsoftractionmotorarereserved.ThustherealizationmethodofthePLCcontrolsystemindetail.originalcontrolcabinet’sdisadvantages,suchasbigItalsopresentstheladderdiagramofthekeyaspectsofvolumeandhighnoiseareovercomeefficiently.thesystem.Thesystemhas
5、simpleperipheralcircuitandtheoperationresultshowedthatitenhancedthe2.2.Signalcontrolsystemreliabilityandperformanceoftheelevators.1.IntroductionTheelevator’scontrolsignalsaremostlyrealizedbyPLC.Theinputsignalsare:operationmodes,operationWiththedevelopmentofarchitecturetechnology,the
6、controlsignals,car-calls,hall-calls,safety/protectsignals,buildingistallerandtallerandelevatorsbecomedooropen/closesignalandlevelingsignal,etc.Allcontrolimportantverticaltransportationvehiclesinhigh-risefunctionsoftheelevatorsystemarerealizedbyPLCbuildings.Theyareresponsibletotransp
7、ortpassengers,program,suchasregistration,displayandeliminationofliving,workingorvisitinginthebuilding,comfortablehall-callsorcar-calls,positionjudgmentofelevatorcar,andefficientlytotheirdestinations.Sotheelevatorchooselayeranddirectionselectionoftheelevator,etc.controlsystemisessent
8、ialinthesmoothandsa
