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INDUSTRIALUSETHYRISTORCONVERTERUNITVarispeed-505ZI1DriveINSTRUCTIONSMODELCDMR-ZIIBeforeinitialoperation,readtheseinstructionsthoroughly,andretainforfuturereference.YASKAWA TOE-S505-30BIMPORTANTWhenproperlyinstalled,operatedandmaintained,thisequipmentwillprovidealifetimeofoptimumoperation.Itismandatorythatthepersonwhooperates,inspects,andmaintainsthisequipmentthoroughlyreadandunderstandthismanual..MakenowithstandvoltagetestontheVS-505ZIIbecauseitincorporatessemi-conductorelectroniccircuits.Ifmeggertestsarenecessary,makethemonlyinaccordancewiththeinstructionsgiveninthismanual..Donottamperwithpotentiometersofthepowerunitssincetheywerepre-setatthefactorybe-foreshipment.TypeCDMR-ZII(TypeS)230V,105A681-50RECEIVING/2 TerminalSizesandSTORAGE/2 CarryingCurrents/2Location/2 Interconnections/2INSTALLATION/2WIRING/2ComponentArrangementCautionswhenWiring/2TESTRUN/4inVS-505ZII/2 CheckbeforeTestRun/4TypeCDMR-ZII(TypeM)230V,260ACONTENTSVarispeed-505ZII(VS-505ZII)isathyristorcon-verterunitforvarispeednon-reversingoperationofindustrialDCmotors.ForcorrectoperationofVS-505ZII,usersmustthroughlyreadtheseinstructions.Thismanualisalsonecessaryformaintenanceandtrouble-shooting,andthereforeshouldbekeptfieldforreadyreference.FordetailsonDCmotors,refertoInstruc-tionsforIndustrialDCMotors(TOE-C435-3).TypeCDMR-ZII(TypeL1230V,550ANo-LoadOperation/5 PartsReplacement/9Full-LoadOperation/5 CautionsinReplacingControlCircuitBoard/12Adjustment/6TroubleshootingGuide/13MAINTENANCE/9 SPAREPARTS/14PeriodicInspection/9 REFERENCE/14RECEIVINGTheequipmenthasbeenputthroughseveretestsatthefactorybeforeshipped. Afterun-packing,however,checkandseethefollowing.Itsnameplatedatameetsyourrequirements.Ithassustainednodamagewhileintransit.Fasteningboltsandscrewsarenotloosened.Devicesbuiltinthecabinetarenotdamagedormissing.STORAGEIftheequipmentistemporarilystoredormachinestopsforanextendedlengthoftime,thefollowingprecautionsshouldbetaken.LOCATIONStoretheequipmentunderthefollowingcondi-tions.FreefromrainfallanddropsofwaterCleananddryFreefromcorrosivegasandliquidAmbienttemperature:-100Cto400CLessvibrationINSTALLATIONSelectalocationdescribedinSTORAGEandin-stalltheequipmentbyproperprocedureinkeep-ingtheequipmentingoodworkingcondition.WIRINGMakeconnectionsinreferencetotheinterconnectiondiagramfurnishedonyourorderandthefollow-ing.COMPONENTARRANGEMENTINVS-505Z11Figs.2to4showcomponentarrangementintheVS-505Z]lTERMINALSIZESANDCARRYINGCURRENTSTable1showsthesizeandthecurrentcarryingcapacitiesoftheterminalsofVS-505ZII.Selectleadswithsufficientcurrentcarryingcapacity.RefertoCautibnswhenWiring.Table1TerminalSizeandCurrentCapacityNote:1.'l'erminalsizeotherthanlistedaboveisM4andcurrentcapacityis2Aorbelow.2,l1uleofthumbofACmaincircuitpowercapacity12x/XEx1(VA)E:SupplyvoltageisACmaincircuitcurrentINTERCONNECTIONSMakeconnectionsofVS-505ZIIwithassociateunitsaccordingtotheinterconnectiondiagramseparatelyfurnished.CAUTIONSWHENWIRINGMainCircuitsUse600VPVCinsulatedwiresorcabtyrecableswiththecurrentcarryingcapacitiesofthecom-binedDCmotorforACmaincircuitterminals(U,V,W)andDCmaincircuitterminals(P,1).FieldCircuitsUse600VPVCinsulatedwiresorcabtyrecableswiththecurrentcarryingcapacitiesofthecom-binedDCmotorforfieldpowercircuitterminals(Uo.Wo.U1,W1)andfieldcircuitterminals(J,K).Usestrandedwiresofcross-section5.5mmzorlargerforfieldcircuitterminals(J,K).SignalCircuitsUseshieldedwiresortwistedwiresoftwistingpitches20mmorsmallerforthespeedsettingcircuitterminals(11to16),speedfeedbackter-minals(3to5),tachometercircuitterminals(38to40).D-_Fig.1 PitchofTwistedWire I 20MMMAX.ACMainDCMainFieldCDh1R-Z11CircuitCircuitCircuitRatedRatedCar-Car-ICar-Volt-Out-Ter-ryingTer-ryingTer-ryingminalCur-minalCur-minalCur-ageputSizerentSizerentSizerentVkWAAA25M621M52535M6_29_M8i~_-35-45M6`37M845104i1-'90M874M890230105M8_86M8105-180M10147M1018022260M10213M10260M4420M12343-M12420M425550M12-449M1255050M841M85090M874M890M412105M886M8105I460180M10147M10180260M10213M10260M422420M12343M12_,420M4'25550M12449N112I550OCLRESETPUSHBUT-TONEXTERNALCONTROLTERMINALS(53)FUSEBLOWNDETECTIONCONNECTOROCLRESETPUSHBUT-TONEXTERNALCONTROLTERMINALS(53)FUSEBLOWNDETECTIONCONNECTOR(a)ControlCircuit (b)PowerCircuitFig.2 TypeCDMR-ZII,-5(230V,150A)POWERCIRCUITBOARD(2PCB)CONNECTORFAILUREINDICATINGLIGHTS(6)(a)ControlCircuit (b)PowerCircuitFig.3TypeCDMR-ZII,-M(230V,260A)(a)ControlCircuit (b)PowerCircuitFig.4TypeCDMR-Z11,-L(230V,550A)TIIYRISTORPROTECTIVEFUSE(2FOR220VCLASS,3FORMAINCIRCUIT' 440VCLASS)EXTERNALTERMINALPOWERCIRCUIT THYRISTORBOARD COOLINGCONTROL(2PCB) FANCIRCUITBOARD(IPCB)CONNECTORWIRING(Cont'd)SeparationofSignalCablesfrommainCircuitCablesToavoidinductiveinterferencefromothercables,runtheshieldedortwistedwires(1to53)separatefrommaincircuitcables(U,V,W:U0,WO;U1,W1;P,N;J,K)inabundleorthruaduct.CAUTIONAfterwiring,checkinterconnections.Makeinsulationresistancetestsusinga500Vmegger.ConnectVS-505ZIImaincircuitterminals(U,V,W;Uo,Wo;U1,W1;P,N;J,K)withcommonlead.Measuretheinsulationresist-ancebetweencommonleadandtheground.Whenthetestresultis2MSSormore
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