中英文文献翻译关于PLC外文翻译Word文件下载.docx
- 文档编号:19600234
- 上传时间:2023-01-08
- 格式:DOCX
- 页数:18
- 大小:39.19KB
中英文文献翻译关于PLC外文翻译Word文件下载.docx
《中英文文献翻译关于PLC外文翻译Word文件下载.docx》由会员分享,可在线阅读,更多相关《中英文文献翻译关于PLC外文翻译Word文件下载.docx(18页珍藏版)》请在冰豆网上搜索。
PLCtechniquediscussionandfuturedevelopment
ProgrammableController(ProgrammableLogicController,customarilyreferredtoasPLC)isamicroprocessorasthecoreofthegeneralindustrialautomationdevices.Isinthelate1960sintherelaycontrolsystemdevelopedonthebasisof,itwilltraditionalrelaycontroltechnologycombinedwithcomputertechnologyandcommunicationtechnology,hasasimplestructure,superiorperformance,highreliability,flexible,generalandconvenientuse,easytoprogramming.Inparticular,thecharacteristicsofthePLCisshownasthefollowing
Aspects:
(1)thehighreliabilityofhardware.PLCisspecializedinindustrialenvironmentundertheconditionsofapplicationanddesign.CanbeplacedinawelldesignedPLChasaveryhighvoltagenoise,electromagneticinterferenceandmechanicalvibration,extremetemperature,andhumidityenvironment.Isintheaspectofhardwaredesign,firstofallwithhighqualitycomponents,andadoptreasonablesystemstructure,strengthening,simplifyinstallation,makesiteasytoantivibrationshock,totheprintedcircuitboarddesign,machiningandweldingprocessaretakenverystrictmeasures,andonthecircuit,thestructureandprocesshadtakensomeuniqueways.BecausethePLCitselfhasveryhighreliability,sointheeventofafailurepartsmostlyfocusedontheinput/outputpartsandsuchassensors,limitswitches,photoelectricswitch,electromagneticvalve,motor,etc.programmingandeasytouse.Automaticcontrolbymicrocomputer,commonlyusedassemblylanguageprogramming,difficulttograsp,requirestheuserhasacertainlevelofknowledgeofcomputerhardwareandsoftware.PLCusedforprocesscontrol,problemorientedprogrammingmethod,comparedwiththecurrentlyusedassemblylanguagemicrocomputercontrol,whileinsidethePLCincreasestheinterpretationprocedure,toincreasetheprogram'
sexecutiontime,butformostofthemechanicalandelectricalcontrolequipment,thislossisnegligible.(3)Wiringissimple,highuniversality.Inthecaseofelectricalmatching,PLCconnectionjustputtheinputsignalofthedevice(button,switch,etc.)connectedtotheinputterminalofPLC,willaccepttheoutputsignalofexecutivecontroltasks(contactor,solenoidvalves),executivecomponentsconnectedtothePLCoutputterminals.Wiringissimple,leavesouttheconventionalrelaycontrolsystemwiringandremovingthetrouble.PLCprogramminglogicprovidescanchangeaccordingtotherequirementsoflogicalrelationship,sothatproductionlineautomationprocesscanchangeatwill.ThisperformancemakesthePLChastheveryhigheconomicbenefits.UsedtoconnectfielddevicesofthehardwareinterfacedesignhasactuallybecomeapartofPLC,sincethediagnosisofmodularinterfacecircuitcanpointtothefault,andeasytotroubleshootingandreplacementoffaultparts,sothatthesoftwareandhardwaredesignofthesiteelectricalpersonnelandtechnicalpersonneltouse.(4)canbeconnectedtocontrolnetworksystem.PLCcanbeconnectedtobecomepowerfulnetworksystem.GeneralPLCnetworkcanbedividedintotwokinds:
onekindisalow-speednetwork,USESthemaster-slavemodecommunication,transferratefromthepotterthousandsandthousandsofpottertothetransmissiondistanceis500~2500m;
Anotherkindofhigh-speednetwork,USESthetokenpassingmodecommunication,communicationrateof1mto10MBPS,transmissiondistanceis500~1000m,1024onlinenodes.Thesetwotypesofnetworksarelinkedtogether,canbecompatiblewithdifferenttypesofprogrammablecontrollerandcomputer,formingcontrolrangealotoflocalnetwork.5.Easytoinstall,easytomaintain.PLCinstallationissimpleandpowerfulfunctions,itsrelativelysmallsizeallowsthemtoinstalltherelaycontrolboxusuallyrequiredforhalfofthespace.InthelargePLCsysteminstallation,remoteI/ointheoptimallocation.RemoteI/Ostationthroughdoubleaxisofcoaxialcable,oreventotheCPU,whichgreatlyreducesthematerialandlabor,remotesubsystemmethodmeansfromdifferentpartsofthesystemcanbeinstalledinfield.Becausealmostallofthecomponentsaremodular,onlyneedtochangewhenmaintainingmodulelevelplug-incomponents,faultdetectioncircuitdiagnosisindicatorwillbeembeddedineachpart,canindicatethedeviceisworkingcorrectly,theresistanceinprogrammingisvisibleinput/outputdevicesONorOFF,stillcanwriteprogramminginstructionstoreportfailures.Inaddition,PLCautomationtechnology,computertechnologyandcommunicationtechnologytogether,andyoucanalsocompletethefollowingfunctions:
logiccontrol,timingcontrol,countingcontrol,steppercontrol,A/DandD/Aconversion,dataprocessing,communicationnetworkandmonitoringonthecontrolsystem.Ingeneral,theapplicationofPLChaveboomintheworld,thePLCdevelopmentdirectionmainlytowardminiaturization,deflationaryforce,standardization,standardization,intelligence,highspeed,largecapacity,networkdevelopment,thiswillmakethePLCfunctionisstronger,higherreliability,moreconvenientuse,wideapplicationandmore
ThePLCbiggestcharacteristicsliein:
Theelectricalengineeringteacheralreadynolongerelectrichardwareuptoomanycalculationsofcost,aslongasordertheimportationthatthebuttonswitchortheimportationofthesensorsordertolinkthePLCupcansolveproblem,passtooutputtoordertheconjunctioncontactmachineorcontrolthestartequipmentsofthebigpoweraftertheelectricappliances,buttheexportationequipmentsdirectconjunctionofthesmallpowercan.
PLCinternalcontainmenthavetheCPUoftheCPU,andtaketohaveanI/Oforexpandofexteriortoconnectapeople'
saddressandsavingmachinethreebigpiecestoconstitute,CPUcoreisfromanormanyistiredtoaddthemachinetoconstitute,mathematicsthattheyhavethelogicoperationability,andcanreadtheproceduresavethecontentsofthemachinetodrivethehomologoussavingmachineandI/Ostoconnectafterpassthecalculation;
TheI/Oaddinnerpartistiredtheinputandoutputsystemofthemachineandexteriorlink,anddeposittherelateddataintotheproceduresavingmachineordatasavingmachine;
ThesavingmachinecandepositthedatathattheI/Oinputinthesavingmachine,andinworkadjustingtobecometiredtoaddthemachineandI/Ostoconnect,savingmachineseparatelysavingmachineRAMoftheproceduresavingmachineROManddates,theROMcandodepositofthedatapermanenceinthesavingmachine,butRAMonlyfortheCPUcomputesthetemporarycalculationusageofhourofbufferspace.
ThePLCanti-interferenceisveryandexcellent,ourrootneednotconcernitsservicelifeandtheworksituationbad,theseallproblemshavealreadynolongerbecomethetopicthatwefail,butstaytoourisaconcerntocometointernalresourcesofmakeuseofthePLCtostrengthenthecontrolabilityoftheequipmentsforus,makeourequipmentsmoregentle.
PLClanguageisnotweimagineofeditcollectedmaterialsthelanguageorlanguageofCstocarryonweavingthedistance,butthetrapezoiddiagramthattheadoptionisoriginalaftertheelectricappliancestocontrol,maketheelectricalengineeringteacherwhileweavingtowritetheprocedureveryeasycomprehendedthePLClanguage,andalotofnon-electricityprofessionalalsoveryquicklyknowandgodeepintotothePLC.
IsPLConeoftheadvantageaboveandonly,thisisalsoonepartthatthepeoplecomprehendmoreandeasily,inalotofequipments,thepeoplehavealreadynolongerhopedtoseetoomanycontrolbuttons,theydamagenotonlyandeasilyandproducetheartificialerroreasiest,smallisnotamainerrorperhapsyoucanstillaccept;
Butleadevenisafatalerrorgreatlyiswhatwecan'
tistolerantof.Newtechniquealwaysforbringingmoresafeandconvenientoperationforus,makewealotofproblemsforfaceonsweepbutlight,doyouunderstandtheHMI?
SaystheHMIhereyoubasicallynotclearwhatitis,alsohavenointerestunderstanding,changeoneinsidetextexplainsitintothetouchtoholdorman-machineinterfaceyouknew,anditcombineswiththePLCtoourlargerspace.
HMIthecontrolnotonlyisreducedthecontrolpressbutton,increasethevividofthecontrol,moremainofitiscansequenceof,andatcanthechangedatainputtooutputthefeedbackwithdata,controlinthetemperaturecurveofimitatebutalsocankeepthemanifestationofviewtocomeout.Andcanwritethefunctionhelpprocedurethroughaplaittoprovidethehelpofvariouswhatliesinone'
spower,theonewhomakeoperatereducestheotioseerror.CurrentlytheHMIfactoryisalsomoreandmore,thefunctionisalsomoreandmorestrong,thepriceisalsomoreandmorelow,andthenoodlesoftheusagearewidemoreandmore.TheHMIforegroundcansaythatthink°
tobegoodvery.
Atalotofsituations,thelistisasmoothmovementthatcan'
tguaranteetheequipmentsbythecontrolofthesinglemachine,butpasstheinformationexchangesoftheequipmentsandequipmentstoattaintheresultthatwewant.Forexampleforepackandtheexaminationoftheempressworkpreface,wewillarrivewrappinginformationfeedbacktoexaminetheplace,andexaminetheinformationoftheplacetoalsowantthefeedbacktopacking.Passtheinformationsharethustomakeboththechainconnect,becomingatotalbody,thematchofyourthatthusmakeismoreclose,ateachotherattaintoreflecttheresultthatmutuallyflick.
ThePLCcorrespondencehasalreadycomemorebodynowitsvalue,atthePLCandcorrespondencebetweenPLC,canpassthecommunicationoftheinformationandtheshareofthedatestoguaranteet
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 中英文 文献 翻译 关于 PLC 外文