UD52iss2

UserGuideUD52UD52SIN-COSencoderinterfacesmalloptionmoduleforUnidrivePartNumber:0460-0039IssueNumber:2GeneralInformationThemanufactureracceptsnoliabilityforanyconsequencesresultingfrominappropriate,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,theelectricalequipmentshouldgenerallycomplywithEuropeanHarmonisedstandardEN60204-1.Copyright©July1999ControlTechniquesDrivesLtdAuthor:RFDIssueCode:52nu2IssueDate:July1999UD52UserGuideIssuecode:52nu2ContentsChapter1Introduction11.1MainfeaturesoftheUD5211.2Principleofoperation22SafetyInformation33InstallingtheUD5264MakingConnections84.1Locationsoftheterminals84.2Functionsoftheterminals94.3Serialcommunications115SettingUptheUD52125.1Initialsettingup125.2Phaseoffset125.3Positioninformation135.4Simulated-encoderoutputs(terminals50,51,53,54)155.5Freezeinputs(terminals48,49)165.6Furthersettingup166RelatedParameters176.1Introduction176.2Programmablesoftware176.3Parameterdescriptions19AppendixASpecificationsA-1A.1InputsandoutputsA-1BAdvancedFunctionsB-1B.1AlternativeconfigurationsB-1B.2AligningtheencodermechanicallyB-2CDiagnosticsC-1C.1TripcodesC-1UD52UserGuideIssuecode:52nu2UD52UserGuideIssuecode:52nu211Introduction1.1MainfeaturesoftheUD52NoteTheUD52canbeusedonlywithDrivesequippedwithversion3(orlater)software.(Parameter0.50indicatesthesoftwareversion.)ApplicationsTheUD52SIN-COSencodersmalloptionmoduleisaninterfacemoduleforinstallationinaUnidrive.TheUD52operateswithencodershaving256,512,1024,2048or4096linesperrevolution,andhasamaximumoperatingfrequencyof102.4kHz(3000RPMwitha2048-lineencoder).TheUD52canbeusedinaDriveoperatingineithertheClosed-loopVectororClosed-loopServomodeinordertoobtainspeedfeedbackandveryhighresolutionshaftposition.TheUD52isfullycompatiblewiththefollowingStegmannSIN-COSencoders:SCS60,SCM60,SCS70,SCM70Theseencodersarecompatiblewiththetwo-wireserialcommunicationsportintheUD52.Absolute-positioninformationTheUD52candeterminetheabsolutepositionwithinarevolutionofasingle-turnencoder,orinmanyrevolutionsofamulti-turnencoder.Unlikethecaseforastandardencoder,whichmustberotatedpastitsmarkerpulseinordertoobtainabsolute-positioninformation,absolute-positioninformationfroma(suitable)SIN-COSencoderisobtainedwhentheDriveispowered-up.SpeedandpositioninformationisdisplayedinparameterswhichcanbereadontheDrivedisplayand/orviaserialcommunications.SelectionofencoderfunctionWhenaUD52isfittedintheDrive,theDriveautomaticallyusestheSIN-COSencoderasspeedandpositionfeedbackforthemotor.Alternatively,astandardquadratureencodercanbeusedforspeedandpositionfeedback,andtheSIN-COSencoderusedasanincrementalreference.SimulatedencoderoutputsTheUD52hassimulatedencoderoutputswhichnormallyusetheSIN-COSencoderasthesource,butcanbereconfiguredtousethemainencoder(Encoder1)connectedtothe15-wayD-typeontheDriveasthesource.TheseoutputsproducequadratureA/Bsignalscorrespondingtothelinecountsfromthesourceencoder.Also,theseoutputscanbeconfiguredforfrequencyanddirection(F/D)signals.InstallationTheUD52mustbefittedinthesmalloptionmodulebayoftheUnidrive.AllconnectionstotheDrivearemadebyamulti-wayconnector.Connectionsfromexternalequipmentaremadebyapluggable16-wayscrew-terminalblockontheUD52.UD52UserGuideIssuecode:52nu221.2PrincipleofoperationTheUD52convertsthesinusoidaloutputsignalsofaSIN-COSencoderintosquarewavesandcountstheedges(asinthecaseofastandardencoder)toyieldpositioncountsatarateoffourtimesthenumberoflinesperrevolutionoftheencoder.TheconstantlyvaryingamplitudesofthesinewavesarealsomeasuredbytheUD52inordertoproduce211(2048)interpolatedcountsbetweenencoderlines.Theoverallresolutionistheproductofthenumberofinterpolatedcountsandthenumberofencoderlines.Forexample,theUD52usedwitha512-line(29)encodercangivearesolut