WF2

User’sManualWF2SensorlessVectorDrivefeaturingNmodelswithNSF®andBISSCcertification0.75–55.0kWNOWWITHVARIABLETORQUERATINGS!TRADEMARKNOTICETBWood’sandareregisteredtrademarksofTBWood’sIncorporated.DeviceNetisaregisteredtrademarkoftheOpenDeviceNetVendorAssociation(ODVA).MetasysisaregisteredtrademarkofJohnsonControls,Inc.ModbusisaregisteredtrademarkofSchneiderElectric.NSFisaregisteredtrademarkoftheNationalSanitationFoundation.ULisatrademarkofUnderwritersLaboratories,Incorporated.®TableofContents07.11.03TBWood’sandBerges–AllRightsReserved08_GBWF2—0.75–55.011GeneralInformation....................................................................51.1SafetyandOperatingInstructionsforDriveConverters....................................52Introduction...........................................................................82.1ProductOverview.................................................................82.2ManualOverview.................................................................82.3PublicationHistory................................................................93TechnicalCharacteristics..............................................................103.1InterpretingModelNumbers........................................................103.2PowerandCurrentRatings........................................................103.3Environmental..................................................................123.4Electrical.......................................................................123.5ControlFeatures................................................................133.6Dimensions....................................................................143.7WeightsofModels...............................................................174Installation...........................................................................184.1PreliminaryInspection............................................................184.2InstallationPrecautions...........................................................184.3ConsiderationsforMountingIP31andIP55ModelsinHostEnclosures......................184.3.1IP31andIP55ModelsEntirelyEnclosedintheHostEnclosure....................194.3.2IP31andIP55ModelswithFinsExternaltotheHostEnclosure....................194.4Maintenance/EnvironmentalIntegrity.................................................214.4.1RemovaloftheConduitPlateonNEMA1/IP31Models...........................214.4.2MinimumTorqueValuestoSecureCover.....................................224.5EMC(ElectromagneticCompatibility)................................................224.5.1LimitClasses...........................................................224.5.2InterferenceSuppressionMeasures..........................................234.5.3EMCOrdinance(EMCDirective,89/336EEC).................................255Connections.........................................................................265.1Introduction....................................................................265.2GeneralWiringInformation........................................................265.2.1WiringPractices.........................................................265.2.2ConsiderationsforPowerWiringandMotorLeadLength.........................265.2.3LinePowerConnection....................................................275.2.4UseofFaultCurrentSafetySwitches.........................................275.2.5ConsiderationsforControlWiring............................................285.3InputLineRequirements..........................................................305.3.1LineVoltage............................................................305.3.2LineCapacity...........................................................305.3.3UseofIsolationTransformersandLineReactors...............................315.3.4PhaseImbalance........................................................315.3.5PowerSystemConfiguration...............................................315.4TerminalsFoundontheWF2PowerBoard............................................315.4.1DescriptionoftheTerminals................................................315.4.2TypicalPowerConnections................................................32TableofContentsTBWood’sandBerges–AllRightsReserved07.11.03WF2—0.75–55.008_GB25.5DynamicBraking................................................................345.5.1DynamicBrakingUnits....................................................355.5.2User-SuppliedExternalResistor.............................................355.6TerminalsFoundontheWF2ControlBoard...........................................365.6.1DescriptionoftheControlTerminals..........................................365.6.2ConfiguringtheTypeandRangeofAnalogInputs...............................385.6.3ControlWiringConnections(Active-HighLogic).................................405.6.4ControlWiringConnections(Active-LowLogic).................................485.7ModbusConnection..............................................................526Set-upandGett