PLC控制電機變頻調速試驗系統的設計與實現.pdf

1、山東大學碩士學位論文PLC控制電機變頻調速試驗系統的設計與實現姓名：陳元勇申請學位級別：碩士專業(yè)：電子與通信工程指導教師：馬丕明孫康嶺20080929山東大學碩士學位論文ABSTRACTWiththedevelopmentofelectricandcontrollingtechnologythealternatingcurrent(AC)frequencyconversiontiminghasprevailedinthcfieldofi

2、ndustrialelectricenginesdraggingAsanewcontrollingdeviceinsteadofrelays，Programmablelogiccontroller(PLC)isusuallyappliedtostoredataandcontroldevicesbecauseitssimplicityreliabilityflexibilityandstrongfunctionsConfiguration

3、softwaretechnologyisasoftwarefloortool，whosefunctionCanbeconfiguredasdemandtocontrollongdistancedevicesintelligentlyMoreoverthetouchingscreenisadoptedsuchthattheinteractionbetweencustomersanddevicesismoreoperableInthispa

4、perwetakebetonmillasanexample，andconstructasystemtoprocessthefrequencyconversiontimingofelectricengine，usingthetechnologyofPLC，transducerandconfigurationThispaperCanbesummarizedasfollows1)Brieflyintroducethetransducer’Ss

5、tructuretheprincipleandmeritsoffrequencyconversiontiming，andMITSUBISHIFR—A5402)IntroducethefeaturesofconfigurationsoftwarethedataprocessinI／Osystemandnativeconfigurationsoftware‘Zutaiwang”3)AnalyzetheworkprocessofPLC，and

6、introduceMITSUBISHIFX2NPLC4)Studythestructureoffrequencyconversiontimingsystemcontrolprojectsignalprocess，devisethehardwarecircuitsandtheprogramsabouttrapeziachartandtouchingscreenBydesigningthissystemstudentsCannotonlyr