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1、河北联合大学轻工学院QinggongCollege,HebeiUnitedUniversity中英文翻译（汉译英）通用单片机工业控制板系统设计学号：200715280204班级：07拓展（1）班姓名：指导教师：2011年6月15日2原文111.1系统背景111.2系统概述122工控板系统的设计构想与方案论证122.1设计构想122.2方案论证132.3RS485串行通信141・汉译英LIntroductionLIBackgroundSystemTolookatavarietyofindustrialfield,thereislittleplacecannotseeindustrialaut
2、omationandcontrolequipment.Inthesedevices,oftenalargenumberofPLC,fromaprogrammingpointofview,theseshouldbecompletedbythePLC'sfunctionisverysimple,ifweuseSCMtoachieveitsfunction,itiseasy・Ifitmustbeacleardescriptionofthecase,sotospeak:afewdozenbytesmaybeaslongastheproceduresofthosecanbedonebythePLCt
3、ocompletethefunction.Ifyouunderstandthismachineworkprocessesoryouaresuchamachineoperators,someLuedongSCM,thentheprocesscanwriteout.However,theredidnotuseSCM,butwiththePLC,why?»Reliabilityisthekey!Theharshrequirementsoftheindustrialsite,notabeginner,isanexperienceddeveloper,areoftenalsofeelthathead
4、ache・Onepieceofequipmentorhundredsofthousandsmoreexpensive,ofcourse,thedesignersdonotwanttotakearisktouseSCMcontrolpanel,butwouldprefertousesomeofyourPLC.Afterall,butthePLCisexpensive,ifgraspedbythecontrolboardtoreplaceSCM,willsurelymarket,thekeyisyouhaveagrasp.SCMistheindustrialcontrolpanelforsuc
5、happlicationstailor-made・Wefoundinourwork,itisverydifficultindustryatthescenefoundthesightofdomesticSCMequipment,inparticularcontrolofpartoftheintervention,almostallforeignproductsunifytheworld.Wearedoingthingsintheprocess,butalsoSuantiankulahavetastedallkindsofflavors,Mopagunda,emergewounds,after
6、aperiodofexploration,andgraduallymasteranumberoflaws,inresolvingtheseriousindustrialdisturbanceatthescene,SCMsystemNotcredibleontheissuehassomeexperience,someproductsmade,thesystemcanreliablyoperatinginvariousindustrialapplicationsatthescene.Webelievethattobeabletodoagoodjobinindustrialproducts,th
7、ekeyistounderstandthecontroloftheobject,countonwhattechnologycansolvealltheproblemsonceandforallisunrealistic,butalsotothedevelopmentofprematuresigns.Forexample,ifyoudesignare-measurementequipment,thenyoumustknow
