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外文翻译--PLC在电厂输煤自控系统中的应用.doc

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外文翻译--PLC在电厂输煤自控系统中的应用.doc

附录中英文翻译ThePLClosesthecoalinthepowerstationsfromtheapplicationinthesystemTakeofftowantCombinationMITSUBISHICharacteristicsandpowerstationthatFX2ntypethePLClosethespecialrequestofthecoalsystem,andintroducethePLCinthepowerstationtolosethecoalsystemconvenientlocktheproceduredesignandtheapplicationofthecontrol.KeyphraseTheprogrammablelogiccontrollerPLClosesthecoalfromthesystemthelockcontroltheindustrycontrolthecalculator1.ProgrammablelogiccontrollerPLCiseight10Yearonbehalfnewgenerationindustrythatdevelopthecontrolequip,andisanautomaticcontrol,calculatorwiththethingthatthecorrespondencetechniquecombinetogether,andisathespotequipmentsforexclusivelyusedforcingtheindustryproductionlinecontrolling.MakethePLCthereischaracteristicsofobviousoneselfonthedesignwiththelongtermandcontinuousthatcirculatebecauseofthespecialofthecomplexity,usageenvironmentofthecontrolobjectThedependableishigh,andtheadaptabilityiswide,andhavetocorrespondbyletterthefunction,andweavetheconvenience,constructionmoldpiece.Gatherthecontrolinthemoderninthesystem,thePLChavealreadybecomeakindofimportanceofbasiccontrolunit,controltherealmtheinsideintheindustryappliedtheforegroundisveryandextensive.Importance,wethatInthesomepowerstationthatwriteranddeveloptolosethecoalfromthesysteminside,systemrequestiskeepoffingtolosethemainfactorypremisescontrolroomofthecoal,righttwocoallineforlosingsetequipmentsesof18movementappearanceandleatherbeltsproceedscontrol,andthesolidhourmonitortheequipmentstorunthecircumstanceofthe.ThelosethecoalsysteminthepowerstationtoadoptthePLCtorealizetolosethelockofthecoalequipmentsthecontrolwithitsdependableofassurancetocontrolthecalculatorwithspecial,industrytothenbeusedastheplaceofhonormachineandPLCtoworkincoordination,andtogethercompletetolosethesuperviseandcontrollingofcoalsystemthefunction.ThistextwillprimarilyintroducethePLCcontrolapplicationThelosesthecoalsystemthecontrolrequestLosethecoalsystemtohavetwolosethecoalline,andincludethecoalthemachine,leatherbeltthemachine,vibration,crusher...etc.Totally18setequipments,extremelyhavegotinthepowerstationimportantposition,oncecantnormalwork,generateelectricityandthencansuffertheinfluence.Producethedependablethatcirculateforthesakeoftheassurance,andlosethecoalsystemtheadoptionautolock,movesinglemachinethemethodoftwokindsofcontrols,auto,movethewayfromtheswitchtoproceedstocutover.Becauseoflosingthecoaltheenvironmentbad,alloperationscontroltoallproceedsinthemaincontrolroomofthemainfactorypremises,andtheappearancedishupestablishtohavetheoftheeachequipments,stoptopressbutton,returnthecapablePLCofferingtheimportationthesignalscontrolswitch.LosethecoalequipmentsthecontrolfunctiontoberealizedbyPLC,andtheequipmentsappearancemonitortorunthewithleatherbelttomonitorandthetroublerecordthefunctiontothenbecontrolledbyuppergradeindustrythecalculatortocomplete.Losethecoalsystemnormalforthesakeoftheassurance,thedependablemovement,thatsystemisattherequestofsatisfybelowTheprovidesthecoal,startingofeachequipments,stopmustfollowtheparticularsequencing,andnamelyproceedstoeachequipmentsthelockcontrolTheeachequipmentsofstartswithstoptheprocessinside,andwantthereasonabletoestablishthetimepartition.Postponehourstarttopostponeunifytosetupto12second.Whenpostponingparkingpresstheequipmentsdifferentrequestbutsetup,andisdividedinto10s,20s,30s,40s,60severalkindsofsees,thenguaranteetheparkingthecrushercarrytheappearancefor,eachlosethecoalleatherbelttouphavenothesurpluscoalThecirculatestheprocessinside,someasetequipmentsWhentheoccurrencebreakdown,shouldimmediatelysendouttoreporttothepolicetocombinetheautomaticparking,equipmentsinitsfrontpointtoprovidethedirectiontoalsoimmediatelyparkthecar.AfterwardthesquareequipmentspresscertainsequenceandpostponethehourslocktheparkingTheiseachtolosethecoalleatherbelttoestablishtohavethedoublethedirectiontoruntheswitch,andrunthe15degreehourssendouttotellthesignal,andrunthe30degreehourstellthetocombinetheautomaticparkingThecantheonlinechoicestarttoprovideforusetheequipments.canconstitutetocrosstoprovidethecoalmethodfromtworelevantequipmentsforlosingthecoallinesinthespecialcircumstanceThecantheonlinechoicestarttoprovideforusetheequipments.canconstitutetocrosstoprovidethecoalmethodfromtworelevantequipmentsforlosingthecoallinesinthespecialcircumstanceThecanshowtheelectricityequipmentsofeachmachinetocirculatethecondition,andcombinerightlosetherelevantcircumstancereporttothepolice,automaticallyshutdownetc.ofcoalprocesstodooutthesolidhourrecord.2.PLCcontrolsthesystemdesign2.1ThePLCchoosesthetypeAccordingtolosethecoalsystemfromthetorequest,andwechosetousetheMITSUBISHI.CompanylatestFX2ntypethatreleasePLC,havethedependablehigh,physicalvolumeThebasicCPUunitchoosestouseofisaCPU214,functionasfollows2048procedure48data1400importationseses,exportationof1000Canexpand7moldpieces128sthatsettlethehour128countthe4hardwareinterruptions,interruptionsthatsettlethehourSolidhourclockThehighspeedcountstheCanmakeuseofthePPIagreementorfreetheproceedingcorrespondence3classpasswordaegis.ExpandthemoldpiecetochoosetousetheEM221,8importationpointsEM223,16importationpoints,16exportationpoints.2.2SystemrelationSystemrelationissuchasthefigure1show.Atlosethecoalfromthesystemtheinside,industrycontrolthecalculatortobeusedastheplaceofhonormachinewithlosethecoaltocontrolthePLCtoproceedcorrespondence,andmovementleatherbeltransignalwithequipmentstheappearanceproceedssolidthehouradoptthekind,andcombinetoshowtolosethecoalsystemtoimitatethetrueappearanceonheldtheact,canthegroundinspecttheequipmentsappearance.Whentheleatherbeltruntherunthe15degree,showtoreporttothepolicetheappearanceonheldtheactWhentheequipmentsoccurrencebreakdownortheleatherbeltruntherunthe30degreeseriously,showtoreporttothepolicetheappearanceonheldtheactandsendoutthetroubletoPLCtoparkthecarthesignal.ThenlosethecoalcontrolthePLCtocarryoutaccordingtotheimportationsignalofthecontrolswitchrightinresponsetotheprocedurepiecefunctionfor,controllingelectricalengineeringrealizingrightlyshouldHeadinguptheclassindustrythecontrolcalculatortosendoutainformation,andreceivetheuppergradeindustrythecontrolthecalculatorthetroublethatsendouttoparkthecarthesignal,andrealizethetroubleparkthecartohandlethe

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