基于plc的液體攪拌機控制電氣設計

1、學號學號14113502898畢業(yè)論文畢業(yè)論文題目：題目：基于PLC的液體攪拌機控制電器設計作者：者：南小飛屆別：屆別：2011屆院別：別：機械工程學院專業(yè)：專業(yè)：機械電子工程指導老師：指導老師：張振職稱：職稱：講師完成時間：完成時間：2015年5月5號IIDESIGNOFELECTRICALCONTROLLIQUIDMIXERBASEDONPLCABSTRACTWiththedevelopmentofPLCsinglechipmany

2、computerprocesserthenumberoftraditionalcontrolmodeofthemothaslesslessthenumberofautomaticcontrolmodeofthemotismeme.Becausetraditionalcontrolmodedisadvantageslowproductionefficiencybackwardtechnologycannotadapttotheneedso

3、fenterpriseproductionthispapermainlyintroducesusingSiemensS7200implementationofliquidmixingsystemautomaticcontrolBasedonPLCasthecontrolcewhichisusedinthefmoftwokindsofliquidautomaticfeederautomaticfeedingautomaticmixings

4、ystemcontroltargethardwarecompositionsoftwaredesignsystemfunctionthesimulationshowsthatthefluidmixingsystemofallprocess.ThesystemhardwareismainlycomposedofS7200programmablecontrollerelectromagicvalveothercomponentsofthem

5、ottheliquidlevelsensprogrammingsoftwareadoptsSiemensSTEP7programmingsoftwareMICROWIN.SystembythelevelofliquidlevelsenswillbecollectedtoSiemensPLCafterprocessingbyPLCtofielddatalogicacrespondingcontrolinstructioncompletet

6、heautomaticcontrolsystem.FinallysystemareconnectedtothePLCusingtheinterfacerealizationofPLCcomputercommunications.Systemisnotonlyahighdegreeofautomaticflexibilitybutalsohasthefunctionofonlinemodificationcanmeettherequire