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ThePLClosesthecoalinthepowerstationsfromtheapplicationinthesystemTakeofftowant:CombinationMITSUBISHICharacteristicsandpowerstationthatFX2ntypethePLClosethespecialrequestofthecoalsystem,andintroducethePLCinthepowerstationtolosethecoalsystemconvenientlocktheproceduredesignandtheapplicationofthecontrol.Keyphrase:Theprogrammablelogiccontroller(PLC)losesthecoalfromthesystemthelockcontroltheindustrycontrolthecalculator1Programmablelogiccontroller(PLC)iseight10-Yearonbehalfnewgenerationindustrythatdevelopthecontrolequip,andisanautomaticcontrol,calculatorwiththethingthatthecorrespondencetechniquecombinetogether,andisathespotequipmentsforexclusivelyusedforcingtheindustryproductionlinecontrolling.MakethePLCthereischaracteristicsofobviousoneselfonthedesignwiththelong-termandcontinuousthatcirculatebecauseofthespecialofthecomplexity,usageenvironmentofthecontrolobject:Thedependableishigh,andtheadaptabilityiswide,andhavetocorrespondbyletterthefunction,andweavetheconvenience,constructionmoldpiece.Gatherthecontrolinthemoderninthesystem,thePLChavealreadybecomeakindofimportanceofbasiccontrolunit,controltherealmtheinsideintheindustryappliedtheforegroundisveryandextensive.Importance,wethatInthesomepowerstationthatwriteranddeveloptolosethecoalfromthesysteminside,systemrequestiskeepoffingtolosethemainfactorypremisescontrolroomofthecoal,righttwocoallineforlosingsetequipmentsesof18movementappearanceandleatherbeltsproceedscontrol,andthesolidhourmonitortheequipmentstorunthecircumstanceofthe.ThelosethecoalsysteminthepowerstationtoadoptthePLCtorealizetolosethelockofthecoalequipmentsthecontrolwithitsdependableofassurancetocontrolthecalculatorwithspecial,industrytothenbeusedastheplaceofhonormachineandPLCtoworkincoordination,andtogethercompletetolosethesuperviseandcontrollingofcoalsystemthefunction.ThistextwillprimarilyintroducethePLCcontrolapplication:ThelosesthecoalsystemthecontrolrequestLosethecoalsystemtohavetwolosethecoalline,andincludethecoalthemachine,leatherbeltthemachine,vibration,crusher.etc.Totally18setequipments,extremelyhavegotinthepowerstationimportantposition,oncecantnormalwork,generateelectricityandthencansuffertheinfluence.Producethedependablethatcirculateforthesakeoftheassurance,andlosethecoalsystemtheadoptionauto(lock),move(singlemachine)themethodoftwokindsofcontrols,auto,movethewayfromtheswitchtoproceedstocutover.Becauseoflosingthecoaltheenvironmentbad,alloperationscontroltoallproceedsinthemaincontrolroomofthemainfactorypremises,andtheappearancedishupestablishtohavetheoftheeachequipments,stoptopressbutton,returnthecapablePLCofferingtheimportationthesignalscontrolswitch.LosethecoalequipmentsthecontrolfunctiontoberealizedbyPLC,andtheequipmentsappearancemonitortorunthewithleatherbelttomonitorandthetroublerecordthefunctiontothenbecontrolledbyuppergradeindustrythecalculatortocomplete.Losethecoalsystemnormalforthesakeoftheassurance,thedependablemovement,thatsystemisattherequestofsatisfybelow:Theprovidesthecoal,startingofeachequipments,stopmustfollowtheparticularsequencing,andnamelyproceedstoeachequipmentsthelockcontrol；Theeachequipmentsofstartswithstoptheprocessinside,andwantthereasonabletoestablishthetimepartition.(Postponehour)starttopostponeunifytosetupto12second.Whenpostponingparkingpresstheequipmentsdifferentrequestbutsetup,andisdividedinto10s,20s,30s,40s,60severalkindsofsees,thenguaranteetheparkingthecrushercarrytheappearancefor,eachlosethecoalleatherbelttouphavenothesurpluscoal；Thecirculatestheprocessinside,someasetequipmentsWhentheoccurrencebreakdown,shouldimmediatelysendouttoreporttothepolicetocombinetheautomaticparking,equipmentsinitsfront(pointtoprovidethedirection)toalsoimmediatelyparkthecar.Afterwardthesquareequipmentspresscertainsequenceandpostponethehourslocktheparking；Theiseachtolosethecoalleatherbelttoestablishtohavethedoublethedirectiontoruntheswitch,andrunthe15degreehourssendouttotellthesignal,andrunthe30degreehourstellthetocombinetheautomaticparking；Thecantheon-linechoicestarttoprovideforusetheequipments.canconstitutetocrosstoprovidethecoalmethodfromtworelevantequipmentsforlosingthecoallinesinthespecialcircumstance；Thecantheon-linechoicestarttoprovideforusetheequipments.canconstitutetocrosstoprovidethecoalmethodfromtworelevantequipmentsforlosingthecoallinesinthespecialcircumstance；Thecanshowtheelectricityequipmentsofeachmachinetocirculatethecondition,andcombinerightlosetherelevantcircumstance(reporttothepolice,automaticallyshutdownetc.)ofcoalprocesstodooutthesolidhourrecord.2.PLCcontrolsthesystemdesign2.1ThePLCchoosesthetypeAccordingtolosethecoalsystemfromthetorequest,andwechosetousetheMITSUBISHI.CompanylatestFX2ntypethatreleasePLC,havethedependablehigh,physicalvolume?ThebasicCPUunitchoosestouseofisaCPU214,functionasfollows:2048procedure48data；14:00importationseses,exportationof10:00；Canexpand7moldpieces；128sthatsettlethehour；128countthe；4hardwareinterruptions,interruptionsthatsettlethehour；Solidhourclock；Thehighspeedcountsthe；CanmakeuseofthePPIagreementorfreetheproceedingcorrespondence；3classpasswordaegis.ExpandthemoldpiecetochoosetousetheEM221,8importationpoints；EM223,16importationpoints,16exportationpoints.2.2SystemrelationSystemrelationissuchasthefigure1show.Atlosethecoalfromthesystemtheinside,industrycontrolthecalculatortobeusedastheplaceofhonormachinewithlosethecoaltocontrolthePLCtoproceedcorrespondence,andmovementleatherbeltransignalwithequipmentstheappearanceproceedssolidthehouradoptthekind,andcombinetoshowtolosethecoalsystemtoimitatethetrueappearanceonheldtheact,canthegroundinspecttheequipmentsappearance.Whentheleatherbeltrunthe(runthe15degree),sho