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UserGuideUD51UD51SecondencodersmalloptionmoduleforUnidrivePartNumber:0460-0038IssueNumber:3GeneralInformationThemanufactureracceptsnoliabilityforanyconsequencesresultingfrominappropriate,negligentorincorrectinstallationoradjustmentoftheoperatingparametersoftheequipmentorfrommismatchingtheDrivewiththemotor.ThisoptionmoduleisintendedforuseonlywithControlTechniquesUnidriveproducts.Anyotheruseinvalidatesthewarrantyandmaycauseasafetyhazard.ThecontentsofthisGuidearebelievedtobecorrectatthetimeofprinting.Intheinterestsofacommitmenttoapolicyofcontinuousdevelopmentandimprovement,themanufacturerreservestherighttochangethespecificationoftheproductoritsperformance,orthecontentsofthisGuide,withoutnotice.Allrightsreserved.NopartofthisGuidemaybereproducedortransmittedinanyformorbyanymeans,electricalormechanicalincludingphotocopying,recordingorbyanyinformationstorageorretrievalsystem,withoutpermissioninwritingfromthepublisher.UsewithintheEuropeanUnion,etcThefollowinginformationapplieswheretheenduseoftheDriveiswithintheEuropeanUnion,theEuropeanEconomicArea,orotherregionswhichhaveimplementedDirectivesoftheEuropeanCouncilorequivalentmeasures.TheDrive,togetherwithitsassociatedoptionmodules,complieswiththeLowVoltageDirective73/23/EEC.TheinstallerisresponsibleforensuringthattheequipmentintowhichtheDriveisincorporatedcomplieswithallrelevantDirectives.ThecompleteequipmentmustcomplywiththeEMCDirective89/336/EEC.IftheDriveisincorporatedintoamachine,themanufacturerisresponsibleforensuringthatthemachinecomplieswiththeMachineryDirective89/392/EEC.Inparticular,theelectricalequipmentshouldgenerallycomplywithEuropeanHarmonisedstandardEN60204-1Copyright©July1999ControlTechniquesDrivesLtdAuthor:RFDIssueCode:51nu3IssueDate:July1999UD51UserGuideIssuecode:51nu3ContentsChapter1Introduction11.1MainfeaturesoftheUD5112SafetyInformation23InstallingtheUD5154MakingConnections74.1Locationsoftheterminals74.2Functionsoftheterminals85SettingUptheUD51105.1Exampleconfigurations105.2Encodershaftposition115.3Encoderoutputs(terminals49,50,52,53)115.4Zmarker-pulseoutputs(terminals54,55)125.5Freezeinputs(terminals54,55)136RelatedParameters156.1Introduction156.2Programmablesoftware156.3Parameterdescriptions17AppendixASpecificationsA-1A.1Inputs(terminals40,41,43,44,46,47)A-1A.2Outputsandcombinedinputs/outputs(terminals49,50,52,53,54,55)A-1A3TemperatureratingsA-1BDiagnosticsB-1B.1TripcodesB-1UD51UserGuideIssuecode:51nu3UD51UserGuideIssuecode:51nu311Introduction1.1MainfeaturesoftheUD51ApplicationsTheUD51SecondencodersmalloptionmodulehasinputsthatallowasecondencodertobeconnectedtoaUnidrive.Themodulealsohassimulated-encoderoutputs.TheUD51operateswithstandardquadratureencodershavingupto16384linesperrevolution,allowingamaximumoperatingfrequencyof210kHz,orfromfrequencyanddirection(F/D)signalsupto420kHz.WhenusedinaDriveoperatingIneithertheClosed-loopVectororClosed-loopServooperatingmode,theUD51canperformthefollowing:GivespeedandpositionfeedbackforpositioncontrolordigitallockAcceptfrequencyanddirectionreferenceinputsignalsSimulatedencoderoutputsTheUD51hassimulatedencoderoutputswhichnormallyusethesecondencoderasthesource,butcanbereconfiguredtousethemainencoder(Encoder1)connectedtothe15-wayD-typeontheDriveasthesource.TheseoutputsproducequadratureABsignalscorrespondingtothelinecountsfromthesourceencoder.Also,theseoutputscanbeconfigruredforfrequencyanddirectionsignals.InstallationTheUD51mustbefittedinthesmalloptionmodulebayoftheUnidrive.AllconnectionstotheDrivearemadebyamulti-wayconnector.Connectionsfromexternalequipmentaremadebyaplug-in16-wayscrew-terminalblockontheUD51.UD51UserGuideIssuecode:51nu322SafetyInformation2.1Warnings,CautionsandNotesAWarningcontainsinformationwhichisessentialforavoidingasafetyhazard.ACautioncontainsinformationwhichisnecessaryforavoidingariskofdamagetotheproductorotherequipment.ANotecontainsinformationwhichhelpstoensurecorrectoperationoftheproduct.2.2Electricalsafety–generalwarningThevoltagesusedintheDrivecancausesevereelectricshockand/orburns,andcouldbelethal.ExtremecareisnecessaryatalltimeswhenworkingwithoradjacenttotheDrive.SpecificwarningsaregivenattherelevantplacesinthisUserGuide.Theinstallationmustcomplywithallrelevantsafetylegislationinthecountryofuse.TheDrivecontainscapacitorsthatremainchargedtoapotentiallylethalvoltageaftertheACsupplyhasbeendisconnected.IftheDrivehasbeenenergized,theACsupplymustbeisolatedatleasttenminutesbeforeworkmaycontinue.2.3SystemdesignTheDriveisintendedasacomponentforprofessionalincorporationintocompleteequipmentorsystems.IfinstalledincorrectlytheDrivemaypresentasafetyhazard.TheDriveuseshighvoltagesandcurrents,carriesahighlevelofstoredelectricalenergy,andisusedtocontrolmechanicalequipmentwhichcancauseinjury.Closeattentionisrequiredtotheelectricalinstallationandthesystem-designtoavoidhazardseitherinnormaloperationorintheeventofequipmentmalfunction.System-design,installation,commissioningandmaintenancemustbecarriedoutbypersonnelwhohavethenecessarytrainingandexperience.TheymustreadthissafetyinformationandthisUserGuideca