可编程控制器技术中英文对照外文翻译文献.docx

可编程控制器技术中英文对照外文翻译文献.docx

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可编程控制器技术中英文对照外文翻译文献

中英文对照外文翻译文献

（文档含英文原文和中文翻译）

原文：

PLCtechniquediscussionandfuturedevelopment

Alongwiththedevelopmentoftheages,thetechniquethatisnowadaysisalsograduallyperfect,thecompetitionplaysmoreandmorestronger;theoperationthatlistdependstheartificialhasalreadycan'tsatisfiedwiththecurrentmanufacturingindustryforeground,alsocan'tguaranteetherequestofthehigherquantityandhighnewtheimageofthetechniquebusinessenterprise.

Thepeopleseeinproducepractice,automatebroughtthetremendousconvenienceandtheproductquantitiesforpeopleupofassurance,alsoeasedthepersonnel'slaborstrength,reducetheestablishmentonthepersonnel.Thetargetcontrolofthehardrealizationinmanycomplicatedproductionlines,wholeandexcellentturn,thebestdecisionetc.,well-trainedoperationwork,technicalpersonnelorexpert,governorbutcanjudgeandoperateeasily,canacquirethesatisfiedresult.Theresearchtargetoftheartificialintelligencemakesuseofthecalculatorexactlytocarryout,imitatetheseintelligencebehavior,moderatingtheworkthroughperson'sbrainandcalculators,withthemodethatperson'smachinecombine,forresolvetheverycomplicatedproblemtolookforthebestpath

Wecomeinsightofthecontrolthatlinksaftertheelectricappliancesinvarioussituation,thatisalreadythethattimegenerationpast,nowofafteruseinthemoldaperhapssimpleequipmentofgrass-rootscontrolthattheelectricappliancescandoforthelowlevelonly;AndthePLCemergencealsobecametheepoch-makingtopic,addingthevividsoftwarecontrolthroughaveryandstablehardware,makingtheautomationheadforthenewhightide.

ThePLCbiggestcharacteristicsliein:

Theelectricalengineeringteacheralreadynolongerelectrichardwareuptoomanycalculationsofcost,aslongasordertheimportationthatthebuttonswitchortheimportationofthesensorsordertolinkthePLCupcansolveproblem,passtooutputtoordertheconjunctioncontactmachineorcontrolthestartequipmentofthebigpoweraftertheelectricappliances,buttheexportationequipmentdirectconjunctionofthesmallpowercan.

PLCinternalcontainmenthavetheCPUoftheCPU,andtaketohaveanI/Oforexpandofexteriortoconnectapeople'saddressandsavingmachinethreebigpiecestoconstitute,CPUcoreisfromanormanyistiredtoaddthemachinetoconstitute,mathematicsthattheyhavethelogicoperationability,andcanreadtheproceduresavethecontentsofthemachinetodrivethehomologoussavingmachineandI/Ostoconnectafterpassthecalculation;TheI/Oaddinnerpartistiredtheinputandoutputsystemofthemachineandexteriorlink,anddeposittherelateddataintotheproceduresavingmachineordatasavingmachine;ThesavingmachinecandepositthedatathattheI/Oinputinthesavingmachine,andinworkadjustingtobecometiredtoaddthemachineandI/Ostoconnect,savingmachineseparatelysavingmachineRAMoftheproceduresavingmachineROManddatas,theROMcancandodepositofthedatapermanenceinthesavingmachine,butRAMonlyfortheCPUcomputesthetemporarycalculationusageofhourofbufferspace.

ThePLCanti-interferenceisveryandexcellent,ourrootneednotconcernitsservicelifeandtheworksituationbad,theseallproblemshavealreadynolongerbecomethetopicthatwefail,butstaytoourisaconcerntocometointernalresourcesofmakeuseofthePLCtostrengthenthecontrolabilityoftheequipmentforus,makeourequipmentmoregentle.

PLClanguageisnotweimagineofeditcollectedmaterialsthelanguageorlanguageofCstocarryonweavingthedistance,butthetrapezoiddiagramthattheadoptionisoriginalaftertheelectricappliancestocontrol,maketheelectricalengineeringteacherwhileweavingtowritetheprocedureveryeasycomprehendedthePLClanguage,andalotofnon-electricityprofessionalalsoveryquicklyknowandgodeepintotothePLC.

IsPLConeoftheadvantageaboveandonly,thisisalsoonepartthatthepeoplecomprehendmoreandeasily,inalotofequipment,thepeoplehavealreadynolongerhopedtoseetoomanycontrolbuttons,theydamagenotonlyandeasilyandproducetheartificialerroreasiest,smallisnotamainerrorperhapsyoucanstillaccept;Butleadevenisafatalerrorgreatlyiswhatwecan'tistolerantof.Newtechniquealwaysforbringingmoresafeandconvenientoperationforus,makewealotofproblemsforfaceonsweepbutlight,doyouunderstandtheHMI?

SaystheHMIhereyoubasicallynotclearwhatitis,alsohavenointerestunderstanding,changeoneinsidetextexplainsitintothetouchtoholdorman-machineinterfaceyouknew,itcombineswiththePLCtoourlargerspace.

HMIthecontrolnotonlyonlyisreducedthecontrolpressbutton,increasethevividofthecontrol,moremainofitiscansequenceof,andatcanthechangedatainputtooutputthefeedbackwithdata,controlinthetemperaturecurveofimitatebutalsocankeepthemanifestationofviewtocomeout.Andcanwritethefunctionhelpprocedurethroughaplaittoprovidethehelpofvariouswhatliesinone'spower,theonewhomakeoperatereducestheotioseerror.CurrentlytheHMIfactoryisalsomoreandmore,thefunctionisalsomoreandmorestrong,thepriceisalsomoreandmorelow,thenoodlesoftheusagearewidemoreandmore.TheHMIforegroundcansaythatthink°tobegoodvery.

Atalotofsituations,thelistisisasmoothmovementthatcan'tguaranteetheequipmentbythecontrolofthesinglemachine,butpasstheinformationexchangesoftheequipmentandequipmenttoattaintheresultthatwewant.Forexampleforepackandtheexaminationoftheempressworkpreface,wewillarrivewrappinginformationfeedbacktoexaminetheplace,andexaminetheinformationoftheplacetoalsowantthefeedbacktopacking.Passtheinformationsharethustomakeboththechainconnect,becomingatotalbody,thematchofyourthatthusmakeismoreclose,ateachotherattaintoreflecttheresultthatmutuallyflick.

ThePLCcorrespondencehasalreadycomemoremorebodynowitsvalue,atthePLCandcorrespondencebetweenPLC,canpassthecommunicationoftheinformationandtheshareofthedatatoguaranteethatoftheequipmentmoderatesmutually,theresultthatarrivealreadytorepairwitheachother.DataconversiontheadoptionRS232betweenPLCconnecttocometothetransmissiondata,buttheRS232pickupapeopleandcanguarantee10metersonlyofdeliverthedistance,ifinthedistanceof1000meterswecanpasstheRS485tocarryonthecorrespondence,thelongerdistancecanpasstheMODELonlytocarryondeliver.

ThePLCdatatransmissionisjusttobecalledaformtoitinapieceofandcontinuousaddressthatthedataoftheinnerpartdeliverstheotherparty,we,thePLCoftheotherpartypassestoreaddatainthewatchtocarryontheoperation.Ifthedatathatdatainthewatchisatoestablishgenerally,thatisjustthegeneraldatatransmission,forexampletodayofoilpricerise,Iwanttodeliverthepriceoftheoilpricetolosetheoilallyonboard,thatistheshareofthedata;ButtakedatainthewatchforaninstructionprocedurethatcontrolsthePLC,thathadthedifficultyverymuch,forexampleyouhavetocontrolonepedestalrobottopresstheactionworkthatyouimagine,youwilldrawupforittheformthataprocedurecombinewiththedatasendsouttopassby.

Theformthatinformationtransportcontainsinglework,thehalfaworkandthedifferenceofaworkses.Themeaningofthesingleworkalsoistosayboth,acansendoutonly,butacanreceiveonly,forexampleaspyhecanreceivethedesignationofthesuperioronly,butcan'tgivethesuperiorreply;Aworkofhalfisalso2andcancansendoutsimilartoacceptthedata,butcan'tsendoutandacceptatthesametime,forexamplewhenyoumakeaphonecallistocan'tanswerthephone,theotherpartyalso;Butwholepairworksisbothcansendoutandacceptthedata,andcansendoutandacceptatthesametime.BeliketheInternetisatypicalexample.

Theprocessthatinformationtransportalsohassynchronousanddifferentstepcent:

Thedatalineandtheclocklinesaresynchronouswhensynchronousmeaninglieinsendingoutthedata,isalsothedatasignalandtheclocksignalstobecarryonbytheCPUtosendoutatthesametime,thisneedstoallwantthespecializedclocksignaleachothertocarryonthetransmissionandconnecttosend,andisconstrained,thecharacteristicsofthiskindofmethodliesinitsspeedveryquick,butcorrespondworktimeoftakeuptheCPUandalsowanttobelongoppositely,atthesametimethetechniquedifficultyalsoverybig.Itsrequestliesincantinghaveanerrormarginsinadatadeliver,otherwisethewholepieceaccordingtocomparetheoccurrencemistake,thisonthehardwareisabiggerdifficulty.Appliedmoreandmoreextensiveinsomeappropriativeequipment,beliketheappropriativemedicaltreatmentequipment,thenumericalsignalequipment...etc.,incomparetheonedatadeliver,itsresultisverygood.

Andthedifferentstepisanapplicationthemostextensive,thisreceivebenefitinitoftechniquedifficultyisoppositeandwanttobesmall,atthesametimenotneedtopreparethespecializedclocksignal,itscharacteristicstoliein,itsdataispartition,thelong-lostsendoutandaccept,betheCPUistoobusyoftimecangrindtoastopsextowork,alsoreducedthedifficultyonthehardware,thedatathrowtoloseatthesametimeoppositewanttobelittle,wecanpasstheexaminationofthedatatoobservewhetherthedatathatwesendouthasthemistakeornot,belike