计算机科学与技术专业外文翻译PLC安装须知Word文件下载.docx
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Themachine,theelectricitysparkprocessestheelectricityofthetoolmachine,electricalengineeringbrushetc.passestheelectromagnetism
matchtheoutputworkinterferenceetc.,wouldinfluenceaPLCnormalwork.
ThoughthePLCisthecontrolthatusesexclusivelyandonthespottoequip,havingalreadyadoptedmuchmeasurewhiledesignmanufacturing,makingitcompareanorientationtotheindustrialenvironment,butforthesakeofindeed
Protectthewholesystemstabilitycan*,stillshouldmakethePLChaveagoodworkenvironmentconditionasfaraspossible,andadopttheanti-interferencemeasureofthenecessity.
2PLCwhileinstallingwiththemaintenanceshouldnoticeofproblem
2.1PLCgearing
ThePLCisapplicabletomostlyindustrialspot,butitstillhasacertainrequesttotheusagesituation,theenvironmenttemperature...etc..ControlaPLCworkenvironment,canraiseavailably
Itsworkefficiencyandthelifespan.AvertfromwhileinstallPLCfollowingplace:
(1)Theenvironmenttemperaturemorethan0~50scopeofthe℃s;
(2)Relativehumiditymorethan85%existsdewtocoagulateperhaps;
(fromwhatthetemperaturemutationorotherfactorscause)
(3)Thesunlightprojectslightupondirectly;
(4)Decayandcombustibleair,forexamplehydrogenchloride,hydrogensulfide...etc.;
(5)Conjecturedtheironscrapsanddust;
(6)Multifariousorcontinuousvibration,thevibrationfrequencyisa10~55Hzs,rangeisa0.5mms();
(7)Overtheimpactwith10gs(thegravityacceleration).
Allhavealreadyinstalledboreon4Capesofthesmallscaledandprogrammablecontrolleroutershell.Therearetwokindsofgearingmethods,oneisfixwiththebolt,thedifferentunithasadifferentgearingChinesefootInch;
AnotherakindofistheDIN(Germanrepublicanstandard)orbittofix.ThegearingclipboardoftheDINorbitkitusage,orsoonerightnessforeach.OntheorbitpackfirstveryorsoClipboard,packupthePLC,then
tightbolt.Forthesakeofmakingthecontrolsystemworkcan*,usuallyinstallprogrammablecontrollerinhavethecontrolcabinetofprotecttheoutershell,withKeepdust,greasydirt,waterfromsplash.ForpromisingprogrammablecontrollerBeworktheappearancedescenditstemperaturetokeepintheprovisiontheenvironmenttemperaturescope,installthemachineshouldhavefootSufficientwellventilatedspace,thebasicunithastohavethe30mmsabovepartitionwithexpandingoftheunit.Ifthesurroundingsenvironmentover55Cs,installelectricfan,forceairiness.
Theelectricityinterferenceoftheotherperipheralsinordernotto,theprogrammablecontrollershouldkeepoffthehighvoltagelineandthehighpressureequipments,programmablecontrollerandthehighpressureequipmentsespossiblywithOfthepowercabledistancethatshouldstayatleasta200mms.Whentheprogrammablecontrollerperpendicularityinstall,takestrictprecautionsagainsttoleadlinehead,theironscraps...etc.todroptogointoprogrammablecontrollerinnerpartfromthewellventilatedwindow,makePCboardshort-circuit,makeitCan'
tworknormallytoevendamagepermanently.
2.2Thepowersupplyconnectsline
ThePLCpowersupplypowersupplyisa50Hzs,the220V±
is10%alternatecurrents.
TheFXseriestheprogrammablecontrollerhavethedirectcurrent24Vexportationtoconnectlinetocarry.Shouldconnectlinetocarrycanspreadfeeling(ifthelightelectricityswitchorneartoaswitch)toprovidethedirectcurrent24Vpowersupplyfortheimportation.
Ifthepowersupplyoccurrencebreakdown,breakofftimelittlein10mses,PLCworkuninfluenced.Ifthepowersupplybreakofftodescendtoexceedtoallowavalueoverthe10msesorthepowersupply,thePLCthenstopsWork,allexportationsorderalltobreaktoopeninthemeantime.Whenthepowersupplyrecover,iftheRUNimportationconnect,thenoperatinganautocarryon.
Interferencecometothepowercable,thePLChastoboycottanabilityenough.Ifthepowersupplyinterferenceisspeciallyserious,caninstall1changetocompareto1:
1oftheinsulationchangetopressMachinewithreducetheinterferenceofoftheequipmentsandground.
2.3ConnectgroundConnectinggroundgoodlyistopromisePLCcan*theimportantconditionofthework,canavoidtheelectricvoltageoftheaccidentaloccurrencepoundingatbane.Connectagroundoflineandmachineconnectsgroundtocarrytoconnect,basicTheunitconnectsground.Ifwanttousetoexpandunit,itsconnectingalocationshouldconnectalocationwithbasicunittoconnecttogether.Forrepressingtoimposethepowersupplyandimportationtocarry,outputsomethingtocarryInterference,shouldmounttheappropriationgroundlineforprogrammablecontroller,connectthelocationshouldconnectalocationwiththemotiveequipments(suchaselectricalengineering)toseparate.Ifcouldnotreachthiskindofrequest,alsonecessarilyThebeardattainispublicwithotherequipmentsestoconnectground,forbidtoestablishwithotherequipmentsestoconnectground.Connectthelocationshouldpossibly*nearPLC.
2.4Thedirectcurrent24Vsconnectslinetocarry
Whenusagehadnoimportationsparepartthatthesourcetouchestoorder,thePLCinternal24Vpowersupplypassestheelectriccurrentthattheimportationsparepartcarriestoprovidetoordera7mAseachtimetowardtheimportation.
ThePLC24Vsconnectslinetocarryson,canalsooutwardlythedepartmentspreadthefeelingmachine(ifneartotheswitchorthelightelectricityswitch)toprovideelectriccurrent.When24Vscarriedsontomaketospreadthefeelingmachinepowersupply,theCOMcarrySonisthedirectcurrent24Vgroundcarry.Iftheadoptionexpandsseaman,thenshouldbasicunitwithexpandthe24Vsoftheunittocarrytolink.Moreover,anyexteriorpowersupplycan'
tconnectArrivethiscarriesson.
Iftookplacetocarryphenomenon,theelectricvoltagewilldropintoautomatically,thatimportationhasnoeffecttotheprogrammablecontroller.
EachtheimportationamountofpointofPLCofmodelnumberistohaveprovisionof.Ordertoeachimportationthathaven'
tyetuse,itdoesn'
tconsumeanelectricity,sointhiskindofcase,the24Vpowersupplycarry
Sonoutwardlythepowersupplyflowoftheabilitycanincrease.
TheemptyoftheFXseriesPLCcarriesson,can'
tuseunderallcircumstances.
2.5Theimportationconnectsline
ThePLCacceptsarouteoftravelswitchgenerally,thelimitswitchetc.theswitchoftheimportationquantitysignal.Importation'
sconnectinglinetocarrysonistheportthatthePLCandexteriorspreadthefeelingmachineloadconversionsignal.LoseGointoconnectline,generaltheexteriorspreadthefeelingmachineandinputaporttoconnectline.
InputthesparepartcanbeanyNPNtubethathavenosourcetotouchtoorderorgatherelectrodetoopenanewroad.InputWhenthesparepartconnect,inputtocarrytoconnect,inputcircuittoshuttomatch,inputinthemeantime
Thegiveoutlightofdesignationdiodeisbright.
Anelectriccircuitthattheimportationcarrywithoftwoelectriccircuits,theadoptionlightelectricity
matchesinsulation.TwoelectriccircuitstaketheRCfilter,inordertopreventtouchtoordertotrembletomovebecauseoftheimportationorfromtheimportation
Thecircuitstringtheelectricity
voiceforgointocausePLCmistakeaction.
IfBeinputtingtotouchsomeelectriccircuittoestablishdiode,shouldbesmallatestablishingtheelectricvoltageofthediodeinthe4Vs.Ifusetotakethetongue
switchofgiveoutlightthediode,establishdiodeNumbercan'
tmorethantwos.Moreover,importation'
sconnectinglineshouldalsonoticespeciallythefollowingwhattime:
(1)Theimportationconnectslineandwantgenerallyoverthe30ms.Butiftheenvironmentinterferenceissmaller,whentheelectricvoltagedoesn'
tgreatlydecline,theimportationconnectslineappropriategrowsome.
(2)Importation,outputlineandcan'
tusethesamerootofelectriccable,input,outputlinetowantseparate.
(3)Thewidthofthepulsesignalthattheprogrammablecontrollercanaccept,shouldbebiginscantimeoftheperiod.
2.6Theexportationconnectsline
(1)Theprogrammablecontrolleroutputtedaftertheelectricappliances,the
tubeoutput,thetransistoroutput3kindsofforms.
(2)Theexportationcarriestoconnectlinetoisdividedintoindependencetooutputwiththepublicexportation.WhenthePLCexportationactsaftertheelectricappliancesorthe
tube,sametwoexportationsofnumbercarrytoconnect.AtCanadopttheexportationelectricvoltageofdifferenttypeandtheelectricvoltagegradeinthedifferentset.Butcanusesametypeatsameexportationintheset,samepowersupplyofelectricvoltagegrade.
(3)BecausethePLCexportationcomponentissealtopackinprintingtomakecircuitboard,andlinkstocarrythesonplank,ifoutputconjunctiontheloadshortcircuitofthecomponent,willdestroybyfiretoprinttomakeCircuitboard,therefore