2007-11-075011649702-BUS2BUESeriesBrakeModulesInstructionSheetXPrefaceCongratulationsonyourpurchaseofDELTA’sbrakemodule.BUEbrakeunitsareappliedtoabsorbthemotorregenerativeenergywhen3-phaseinductionmotorstopsbydeceleration.WithBUEbrakeunit,theregenerativeenergyisdissipatedinthebrakeresistors.Topreventmechanicalorhumaninjury,pleasereadthisinstructionsheetthoroughlybeforewiring.BUEbrakeunitsaresuitableforVFD-E/VFD-ELSeries.BUEbrakeunitsneedtobeusedinconjunctionwithBRseriesbrakeresistorstoprovidetheoptimumbrakecharacteristics.BUEbrakeunits(20015and40015)areapprovedbyUnderwritersLaboratories,Inc.(UL)andCanadianUnderwritersLaboratories(cUL).Thecontentofthisinstructionsheetmayberevisedwithoutpriornotice,pleaseconsultourdistributorsordownloadthemostupdatedversionat(KW)1.53.71.53.7Max.PeakDischargeCurrent(A)10%ED3.6161.88OutputRatingBrakeStart-upVoltage(DC)328/345/362/380/400±3V656/690/725/760/800±6VInputRatingDCVoltage200~400VDC400~800VDCHeatSinkOverheatTemperatureover+100°CProtectionPowerChargeDisplayBlackoutuntilbus(+~-)voltagebelow50VDCInstallationLocationIndoor(nocorrosivegases,metallicdust)OperatingTemperature-10℃~+50℃StorageTemperature-20℃~+60℃Humidity90%R.H.,Non-condensingEnvironmentVibration9.8m/s2(1G)under20Hz2m/s2(0.2G)at20~50HzMechanicalConfigurationWall-mountedenclosedtypeIP20ZDimensionsandInstallations3.1BrakeresistorTYPEL1L2HDWMAX.WEIGHT(g)BR080W200140125205.360160BR080W750140125205.360160BR300W400215200305.3607503.2Brakeunit3.3DINRailInstallation[OutlineandWireGauge4.1OutlineSlaveoutput/inputTerminals220240230210200190OFFONPowerlampBrakelampFaultlampMASTER/SLAVESwitchPowerInputTerminalBrakeResistorTerminalDipSwitchforInputVoltageSettingM1SLAVEoutputsignal+M2S1S2::::SLAVEoutputsignal-SLAVEinputsignal+SLAVEinputsignal-4.2WireGaugeforTerminalsCircuitTerminalSymbolWireGaugeAWG/mm2TerminalPowerInputCircuit+(P),-(N)20~22AWG/0.5~0.3mm2M4ScrewBrakeResistorB1,B220~22AWG/0.5~0.3mm2M4ScrewSLAVECircuitM1,M2S1,S224AWG/0.2mm2M1,M2,S1,S2withshieldedwiresM2Screw\BasicWiringDiagramR/L1S/L2T/L3NFBMCVFD-E/VFD-ELSeriesBUEMOTORO.L.U/T1V/T2W/T3+/B1P-N()()B1B2SAR/L1S/L2T/L3MCIMBRO.L.ThermalOverloadRelaySurgeAbsorberThermalOverloadRelayBrakeResistorBrakeUnit+P-N()()Note1:WhentheACdriveuseswithDCreactor,pleaserefertothewiringdiagramintheVFD-E/ELusermanualforwiringterminal+(P)ofbrakeunit.Note2:wireterminal-(N)toneutralpointofpowersystem.DONOTNOTEForsafetyconsideration,installanoverloadrelaybetweenthebrakeunitandthebrakeresistor.Inconjunctionwiththemagneticcontactor(MC)priortothedrive,itcanperformcompleteprotectionagainstabnormality.Thepurposeofinstallingthethermaloverloadrelayistoprotectthebrakeresistorfromdamageduetofrequentbrake,orduetobrakeunitkeepingoperatingresultedfromunusualhighinputvoltage.Undersuchcircumstance,justturnoffthepowertoavoiddamagingthebrakeresistor.Pleasereferto“7BrakeResistor/UnitsfortheACDrives”forthespecificationofthethermaloverloadrelay.]WiringWarningsDonotproceedwithwiringwhilepowerisappliedtothecircuit.Thewiringgaugeanddistancemustcomplywiththelocalregulations.The+(P),-(N)terminalsoftheACmotordrive(VFD-E/VFD-ELSeries),connectedtothebrakeunit(BUE),mustbeconfirmedforcorrectpolaritylestthedriveandthebrakeunitbedamagedwhenpoweron.Whenthebrakeunitperformsbrake,thewiresconnectedto+(P),-(N),B1andB2wouldgenerateapowerfulelectromagneticfieldforamomentduetohighcurrentpassingthrough.Thesewiresshouldbewiredseparatelyfromotherlowvoltagecontrolcircuitslesttheymakeinterferenceormis-operationWiringdistanceVFD-E/VFD-ELseries0.2~1.5kW115V/230/460VMax.2MMax.1MBRBUE-20015200374001540037ACMotorDriveBrakeUnitBrakeResistorInflammablesolids,gasesorliquidsmustbeavoidedatthelocationwherethebrakeresistorisinstalled.Thebrakeresistorhadbetterbeinstalledinindividualmetallicboxwithforcedair-cooling.ConnectthegroundterminaltotheEarthGround.Thegroundleadmustbeatleastthesamegaugewireasleads+(P),-(N).Pleaseinstallthebrakeresistorwithforcedair-coolingortheequivalentwhenfrequentdecelerationbrakeisperformed(over10%ED).Toavoidpersonalinjury,donotconnect/disconnectwiresorregulatethesettingofthebrakeunitwhilepoweron.DonottouchtheterminalsofrelatedwiringandanycomponentonPCBlestusersbedamagedbyextremedangerousDChighvoltageWesuggesttouseringterminalsformaincircuitwiring.Makesuretheterminalsarefastenedbeforepoweron.^BrakeResistors/UnitsforDeltaVFDACMotorDrivesSeriesApplicableMotorVoltageHPkWFull-loadoutputtorqueKG-MEquivalentbrakeresistorforeachACdriveBrakeUnitModelandQuantityBrakeResistorModelandQuantityBrakeTorque10%ED%Min.EquivalentResistorValueforEachACDriveTypicalThermalOverloadRelayValue1/40.20.110200W250ΩBUE200151BR200W2501320200Ω2A1/20.40.216200W250ΩBUE200151BR200W2501170100Ω3A10.750.427200W150ΩBUE200151BR200W150114080Ω4A21.50.849300W100ΩBUE200151BR300W100110780Ω4A32.21.262600W50ΩBUE200371BR300W100215025Ω12A115/230VSeries53.72.080900W30ΩBUE200371--15025Ω12A1/20.40.216300W400ΩBUE400151BR300W4001400400Ω