VACON制動斬波器應(yīng)用手冊

user'smanualbrakechopperunit(bcu)application92?vaconVaconBrakeChopperUnitapplicationSoftware:ABFIFF01V1.01INDEXTel.+358(0)2012121?Fax+358(0)201212205Introductionvacon?31.INTRODUCTION1.1OperationprincipleofBCUWhenyouwanttoslowdownarunningasynchronousmotorfedbyafrequencyconverteritturnsintoagenerator,feedingenergybackintothefrequencyconverter.TheenergyincreasesthevoltageintheDC-link.Thefrequencyconvertercompensatesforthisincreasebyincreasingtheoutputfrequency,decreasingtheinstantaneousslipandincreasingthemotorload.Thedecelerationis,inthiscase,dependentonthepowerlossesintheconverterandinthemotor.Thisisusuallysufficientinmostcases,forpumps,fans,conveyorsetc.wherethekineticenergyintheloadissmallorthebrakingtimeisnotcritical.Whenyouhavetobrakedownthemotorfasterthanthelossesallow,youhavetouseBCUmoduleandanexternalbrakeresistor(orresistors)forenergydissipation.Theextraenergyfromtheloadisturnedintoheatinthebrakeresistor.IftheDClinkvoltageincreasestoomuch,theBCUturnsonanddischargesthecapacitorsthroughthebrakeresistor.Applicationswheredynamicbrakingisusuallyneededincludecentrifuges,cranes,someconveyorsanddrivesrequiringveryfastreversing.ModulescanbeconnectedparallelwithotherBCUmodulesinordertoincreasebrakingcapacity(Figure1).InBCUapplicationyoucanuseeitherAnalogueinputorOPT-B8optionboardforPT100sensorconnection.Start-upsequenceofBCUapplicationhasbeenillustratedinFigure2.Figure1.BCUincommonDCbussystem4?vaconIntroductionFigure2.Start-upsequenceTel.+358(0)2012121?Fax+358(0)201212205Introductionvacon?51.2QuickstartinstructionsNOTE!BeforetakinganycommissioningactionsreadcarefullythesafetyinstructionsinVaconNXUser'sManual,chapter1.1.Checkinstallations(seeFigure3,Table2-1andTable2-2).2.Checkresistor(s)max.temperaturedurability.3.Switchpoweron.8.TestBCU.9.Iffaultoccursseechapter6.6?vacon2.CONTROLI/OOPT-A1ControlI/Oref2AI1+ReferencevoltageMaximumcurrent10mAAnalogueinput1,voltageorDefault:0–+10V(Ri=200k?)currentTel.+358(0)2012121?Fax+358(0)201212205BrakeChopperApplication–Parameterlists3.BRAKECHOPPERAPPLICATION–PARAMETERLISTSvacon?7Onthenextpagesyouwillfindthelistsofparameterswithintherespectiveparametergroups.Columnexplanations:Code=Locationindicationonthekeypad;ShowstheoperatorthepresentparameternumberParameter=NameofparameterDefault=ValuepresetbyfactoryMin=MinimumvalueofparameterMax=MaximumvalueofparameterUnit=Unitofparametervalue;givenifavailableID=IDnumberoftheparameter(usedwithPCtoolsandfieldbus)Note=Descriptionofparameter3.1Monitoringvalues(Controlkeypad:menuM1)Themonitoringvaluesaretheactualvaluesofparametersandsignalsaswellasstatusesandmeasurements.Monitoringvaluescannotbeedited.SeeVaconNXUser'sManual,Chapter7formoreinformation.CodeV1.1V1.2V1.3V1.4V1.5V1.6V1.7V1.8V1.9V1.10V1.11V1.12V1.13V1.14V1.15V1.16V1.17ParameterTotalCurrentPowerDC-linkVoltageUnitTemperatureANALOGOUTPUT1DIN1,DIN2,DIN3DIN4,DIN5,DIN6DO1,RO1,RO2UnitNomVoltageUnitNomCurrentDCNomVoltageMainControlWordMainStatusWordActiveFaultPT100(1)TemperaturePT100(2)TemperaturePT100(3)TemperatureUnitAkWV°C%VAV°C°C°CID11041106110811091112151617111111811201160116237505152NoteFilteredbrakingcurrentinAmperes.BrakingpowerinkW.DCintermediatevoltageinVoltsUnittemperatureC-degrees.AnalogOutput1in%DigitalInputsA1,A2andA3Status(sum)DigitalInputsB4,B5andB6Status(sum)DigitalOutputandRelay1&2Status(sum)NominalvoltageratingoftheFrequencyConverter.NominalcurrentratingofFrequencyConverter.NominalvalueofDc-linkvoltageinVolts.Seethechapter5Seethechapter5ActivefaultcodeTemperaturemeasuredwithPT100sensor1TemperaturemeasuredwithPT100sensor2(onlywhenOPT-B8isused)TemperaturemeasuredwithPT100sensor3(onlywhenOPT-B8isused)Table3-1.Monitoringvalues8?vaconBrakeChopperApplication–Parameterlists3.2Basicparameters(Controlkeypad:MenuG2?G2.1)ParameterBrkChopperLevelDefault648MinBrakeChopperLevelMinMaxBrakeChopperLevelMaxNotelevelinvolts1brakeresistorconnection.UnitIDIDRunTable3-2.BasicparametersG2.13.3Inputsignals(Controlkeypad:MenuG2?G2.2)CodeParameterDefaultMinMaxUnitIDNoteInputSelectionforFaultResetting.0=Notused1=DIN12=DIN2FaultReset3=DIN34=DIN45=DIN56=DIN6Digitalinputselectionforexternalfaultsignalconnection.ExternalFaultInputselectionforRunEnableCtrl.0=RunEnabledinternallyRunEnableInputSelectionforKLIXONtypeTemperatureSensor.KLIXONCodeParameterDefaultMinMaxUnitIDNoteSelecttheAnaloginputforconnectingPT100Sensor.PT100AnalogInput0=NotUsed,selection1=AI1,2=AI2NumberofPT100elementsinseries.0=1*PT100,PT100InSeries1=2*PT100,2=3*PT100.Tel.+358(0)2012121?Fax+358(0)201212205BrakeChopperApplication–Parameterlists3.4Outputsignals(Controlkeypad:MenuG2?G2.3)vacon?9CodeParameterDO1CtrlDO2CtrlDO3CtrlDO4CtrlDO5CtrlDO6CtrlDO7CtrlDO8CtrlDO9CtrlDO10CtrlDO11CtrlDO12CtrlDO13CtrlDefault1230000000000Min0000000000000Max6666666666666UnitID1216121712181385138613901391139513961423142714281429NoteSignalSelectionforDO1SignalselectionforDO2(RO1)SignalselectionforDO3(RO2)SignalSelectionforDO4SignalselectionforDO5SignalselectionforDO6SignalSelectionforDO7SignalselectionforDO8SignalselectionforDO9SignalSelectionforDO10SignalselectionforDO11SignalselectionforDO12SignalselectionforDO13CodeParameterDefaultMinMaxUnitIDNoteSettheIDno.ofasignaltobeAO1SignalIDconnectedtoAO1MinimumvoltageorcurrentAO1OffsetatAO1.0=0V/0mA,1=4mAFiltertimeforthesignalAO1FilterselectedforAO1inSeconds.AO1Max.Valuecorrespondto+10V/20mA.AO1Min.ValuetypeofAO1.3.5BCUInparallel(Controlkeypad:MenuG2?G2.4)CodeParameterDefaultMinMaxUnitIDNoteIncreaseinbrakingcurrentwillincreasetheDClinkDroopingvoltagelevelforoperationasafunctionofdrooping.Table3-7.BCUInParallelparametersG2.410?vaconBrakeChopperApplication–Parameterlists3.6Fieldbusparameters(Controlkeypad:MenuG2?G2.5)CodeParameterFieldbusdataout1selectionFieldbusdataout2selectionFieldbusdataout3selectionFieldbusdataout4selectionFieldbusdataout5selectionFieldbusdataout6selectionFieldbusdataout7selectionFieldbusdataout8selectionFieldbusdatain1selectionFieldbusdatain2selectionFieldbusdatain3selectionFieldbusdatain4selectionFieldbusdatain5selectionFieldbusdatain6selectionFieldbusdatain7selectionFieldbusdatain8selectionDefaultMinMaxUnitIDNoteChoosemonitoringdatawithparameterIDChoosemonitoringdatawithparameterIDChoosemonitoringdatawithparameterIDChoosemonitoringdatawithparameterIDChoosemonitoringdatawithparameterIDChoosemonitoringdatawithparameterIDChoosemonitoringdatawithparameterIDChoosemonitoringdatawithparameterIDChoosecontrolleddatawithparameterIDChoosecontrolleddatawithparameterIDChoosecontrolleddatawithparameterIDChoosecontrolleddatawithparameterIDChoosecontrolleddatawithparameterIDChoosecontrolleddatawithparameterIDChoosecontrolleddatawithparameterIDChoosecontrolleddatawithparameterIDTable3-8.FieldbusparametersG2.5Tel.+358(0)2012121?Fax+358(0)201212205BrakeChopperApplication–Parameterlists3.7Protections(MenuG2?G2.6)CodeParameterDefaultMinMaxUnitIDvacon?11NoteNumberofPT100inputsinuseatOPT-B8optionboard.PT100NumbersVisibleonlywhentheoptionboardhasbeeninstalledSelectthetemperatureforPT100sensorabovewhichPT100AlarmLim°PT100alarmisgeneratedinthedrive.PT100AlarmSelectthetemperatureforPT100sensorabovewhichPT100faultisgeneratedinthedriveResponsetothermistorovertemperature.Thermistor0=NoAction,1=Warning,2=FaultResponsetoExternalfault.1=Warning,2=FaultExternalFault0=Noaction,Table3-9.ProtectionsG2.63.8Keypadcontrol(Controlkeypad:MenuM3)CodeP3.1ParameterControlplaceDefaultMinMaxUnitIDDescription0=I/Oterminal(default)1=FieldbusTable3-10.KeypadcontrolparametersM33.9Systemmenu(Controlkeypad:MenuM6)3.10Expanderboards(Controlkeypad:MenuM7)12?vacon4.DESCRIPTIONOFPARAMETERSDescriptionofparameters4.1BasicparametersBrakechopperoperationlevelinvolts.ThisistheDClinkvoltagelevelwhentheBCUstartstodischargethecapacitorsthroughthebrakeresistor.Thisparameterisusedformanualidentificationforbrakeresistorconnection.Brakechopperunitmakesautomaticidentificationduringeverypower-up.However,ifresistorconnectionischangedduringservice,IDRuncanbeexecutedmanuallywiththisparameterbysettingthevalue“1=IDRun”.Tel.+358(0)2012121?Fax+358(0)201212205Descriptionofparameters4.2Inputsignalsvacon?13InputselectionforFaultResetting.ThetransitionfromOfftoOnwillresetthefaultifthecauseofthefaulthasbeenremoved.0=Notused1=DIN12=DIN23=DIN34=DIN45=DIN56=DIN6ThisparameterisusedforchoosingtheinputforexternalRunEnablesignal.Iftheoption“0=Notused”havebeenselectedtheRunEnablesignalisalwayson.ThisparameterisusedforchoosingtheinputforKLIXONtypetemperaturesensor.ThefunctionofthisinputisNormallyClosedsothefault“60=KLIXON”isgeneratedwhentheinputgoeslow.14?vaconDescriptionofparametersSelectstheanalogueinputtobeusedfortemperaturemeasurementusingPT100sensor.InBCUapplicationyoucanuseeitherAnalogueinputorOPT-B8optionboardforPT100connection.Bothwayscannotbeusedatthesametime.IfAnalogueinputhasbeenusedforPT100measurementtheAnalogueOutput1isforcedto10mAlevelanditisusedasapowersupplyforPT100sensor.ConnectionhasbeenillustratedinFigure4.0=Notused1=AI12=AI2AO1+AI+AO1-AI-Figure4.PT100connection.SelectsthenumberofPT100elementsconnectedinseries.0=1*PT1001=2*PT1002=3*PT100Tel.+358(0)2012121?Fax+358(0)201212205Descriptionofparameters4.3Outputsignalsvacon?15SelectthesignalforcontrollingtheDO1.0=Notused1=Ready2=Running3=Fault4=NoFault5=Warning6=Brakingactive(BCUisbraking)Selectthesignalforcontrollingtherelayoutput1(RO1)ofOPT-A2optionboard.Selectthesignalforcontrollingtherelayoutput2(RO2)ofOPT-A2optionboard.TheseparametersareonlyvisiblewhenthereareadditionaloptionboardswithdigitaloutputsinstalledintheBCU.IfforexampletheoptionboardOPT-B5hasbeeninstalledtheparametersforoutputsDO4-DO6becomevisible.16?vaconDescriptionofparametersSettheIDno.ofasignaltobeconnectedtoAO1.Toconnecte.g.DC-linkvoltagetoAnalogoutput1,enter1108asparametervalue.0)theAnalogueOutput1isforcedto10mAlevel.MinimumvoltageorcurrentatAO1.0=0V/0mA,1=4mADefinesfilteringtimeoftheanalogueoutputsignal.MaximumvalueofasignalselectedforAO1.Thiswillcorrespondto+10V/20mA.MinimumvalueofasignalselectedforAO1.Thiswillcorrespondto0V/0mAor2V/4mAdependingonthetypeofAO1.Tel.+358(0)2012121?Fax+358(0)201212205Descriptionofparameters4.4BCUInParallelvacon?17IncreaseinbrakingcurrentwillincreasetheDClinkvoltagelevelforoperationasafunctionofdrooping.ThisparameterisapplicableonlywhenthereismorethanoneBCUconnectedinparallel.4.5FieldbusparametersUsingtheseparameters,youcanmonitoranymonitoringorparametervaluefromthefieldbus.EntertheIDnumberoftheitemyouwishtomonitorforthevalueoftheseparameters.Usingtheseparameters,youcancontrolanyparametervaluefromthefieldbus.EntertheIDnumberoftheitemyouwishtocontrolforthevalueoftheseparameters.18?vacon4.6ProtectionsDescriptionofparametersIfyouhaveaPT100inputboard(OPTB8)installedinyourBCUyoucanchooseherethenumberofPT100inputsinuse.SeealsotheVaconI/Oboardsmanual.Note:IftheselectedvalueisgreaterthantheactualnumberofusedPT100inputs,thedisplaywillread200oC.Iftheinputisshort-circuitedthedisplayedvalueis–30oC.ThisparameterisvisibleonlywhenthereisOPTB8optionboardinstalledintheBCU.PT100Alarmlimit(ID1347)SetherethelimitatwhichthePT100alarmwillbeactivated.SetherethelimitatwhichthePT100faultwillbeactivated.0=Noresponse1=Warning2=FaultSettingtheparameterto0willdeactivatetheprotection.0=Noresponse1=Warning2=Fault4.7Keypadcontrol3.1Controlplace(ID125)Theactivecontrolplacecanbechangedwiththisparameter.0=I/Oterminal(default)1=FieldbusTel.+358(0)2012121?Fax+358(0)201212205FieldbusProfileforVaconbrakechopperunit5.FIELDBUSPROFILEFORVACONBRAKECHOPPERUNITvacon?19FollowingdocumentdescribesfieldbusprofileforBrakeChopperUnitapplication.IfProfibus,ModbusorCANopenisusedthenOperateMode=Bypassistobeusedtobeabletoreadorwritethefollowinginfo.SignalsfromOverridingSystemtoVaconregenerativeDrive.DescriptionTable5-1.SignalsfromoverridingsystemSignalsfromVaconDrivetoOverridingsystemFieldbusDataNameDescriptionMainStatusWordActualValuecurrentProcessDataOut2ProcessDataOut3ProcessDataOut4ProcessDataOut5ProcessDataOut6ProcessDataOut7ProcessDataOut8Table5-2.Signalstooverridingsystem20?vaconMainControlWordBit0Bit1Bit2Bit3Bit4Bit5Bit6Bit7Bit8Bit9Bit10Bit11Bit12Bit13Bit14Bit15FieldbusProfileforVaconbrakechopperunitTable5-3.MainControlWordMainStatusWordBit0Bit1Bit2Bit3RdyOnRunningBrakingActiveFaultBit4Bit5Bit6Bit7Bit8Bit9Bit10Bit11Bit12Bit13Bit14Bit15RunEnableAlarmFieldbusControlActiveTable5-4.MainStatusWordTel.+358(0)2012121?Fax+358(0)201212205Faultcodes6.FAULTCODESCvacon?21CThefaultcodes,theircausesandcorrectingactionsarepresentedinthetablebelow.TheshadowedfaultsareAfaultsonly.Theitemswritteninwhiteonblackbackgroundpresentfaultsforwhichyoucanprogramdifferentresponsesintheapplication.SeeparametergroupProtections.Note:Whencontactingdistributororfactorybecauseofafaultcondition,alwayswritedownalltextsandcodesonthekeypaddisplay.Faultcode12FaultOvercurrentOvervoltagePossiblecauseBCUhasdetectedtoohighcurrent(>4*IH)intheresistorcables:TheDC-linkvoltagehasexceededthelimit:911Vfor500VBCU1200Vfor690VBCUVariouscauses:?defectivecomponent?brakeresistorshort-circuitoroverload-componentfailure-faultyoperationNoteexceptionalfaultdatarecordSubcodeinT.14:S1=ReservedS2=ReservedS3=ReservedS4=ReservedS5=ReservedS6=ReservedS7=ChargingswitchS8=NopowertodrivercardS9=Powerunitcommunication(TX)S10=Powerunitcommunication(Trip)S11=Powerunitcomm.(Measurement)DC-linkvoltageisundertheBCUfaultvoltagelimit:333VDCfor500VBCU460VDCfor690VBCU?mostprobablecause:toolowsupplyvoltageinthesystem?BCUinternalfaultHeatsinktemperatureisunder–10°CCorrectingmeasures-Checkcables.-Checkresistors7Saturationtrip8Systemfault-Cannotberesetfromthekeypad.-Switchoffpower.-DONOTRE-CONNECTPOWER!-Contactyourlocaldistributor.Resetthefaultandrestart.Shouldthefaultre-occur,contactyourlocaldistributor.Pleasevisit:9Undervoltage1314BUunder-temperatureBUover-temperature-Incaseoftemporarysupplyvoltagebreak,resetthefaultandrestartthefrequencyconverter.-Checkthesupplyvoltage.-Ifitisadequate,aninternalfailurehasoccurred.-Contactyourlocaldistributor.Pleasevisit:-CheckthecorrectamountandflowofHeatsinktemperatureisover90°COvertemperaturewarningisissuedcoolingair.whentheheatsinktemperatureexceeds-Checktheheatsinkfordust.-Checktheambienttemperature.85°C.22?vacon18Unbalance(Warningonly)Unbalancebetweenpowermodulesinparalleledunits.SubcodeinT.14:S1=CurrentunbalanceS2=DC-VoltageunbalanceIGBTInverterBridgeovertemperatureprotectionhasdetectedtoohighshorttermoverloadcur