Excelsys - Vitecpower - Power Supplies

Excelsys Technologies Ltd. is a modern and progressive world-class electronic power supply company providing industry leading products to Original Equipment ... Skiptocontent Excelsys ConfigurableAC/DCSuppliesandLEDPower Home/ManufacturersofVitecPowerProducts/Excelsys ExcelsysTechnologiesLtd.isamodernandprogressiveworld-classelectronicpowersupplycompanyprovidingindustryleadingproductstoOriginalEquipmentManufacturersaroundtheworld.Combiningthelatesttechnology,managementmethodsandatotalcustomerservicephilosophy,ExcelsysprovidesHighReliability,HighTechnologypowersolutionstotheMedical,Industrial,Lighting,CommunicationsandMilitaryelectronicsmarkets. Excelsysislocatedinamodernfactory,withhighlyskilledstaffwhotakeprideintheirabilitytoprovidetotalcustomersatisfaction.Theyachievethisthroughqualityofserviceandproductandbyofferingasuperiorpriceperformanceratiosolutiontoourcustomers’needs. ProductOverviewExcelsys IndustrialAC/DCPowerSuppliesMedicalAC/DCPowerSuppliesMilitaryAC/DCPowerSuppliesPowerModulesLEDPowerTechn.SupportIndustrialAC/DCPowerSupplies ImageDescriptionDatasheetVoutOutputsPowerXL–StandardAC/DCPowerSupply4-Slot Slimmest750Wconfigurablepower Ultrahighefficiency,upto89% ConformalCoatingoptional IEC60950-1approved 1.5-58Vdc1-8200-750WXC–StandardAC/DCPowerSupply6-Slot Extralowprofile:1Uheight(40mm) Ultrahighefficiency,upto90% ConformalCoatingoptional UL60950-1,EN60950-12ndeditionapproved 1.5-58Vdc1-12400-1340WXK–LowNoiseAC/DCPowerSupply4-Slot LowNoisehighreliabilityFans Ultrahighefficiency,upto90% Extralowprofile:1Uheight(40mm) UL60950,EN609502ndeditionapproved 1.5-58Vdc1-8200-600WXT–UltraQuietAC/DCPowerSupply4-Slot LowAcousticnoise37.3dBA Ultrahighefficiency,upto89% Extralowprofile:1Uheight(40mm) UL60950,EN609502ndeditionapproved 1.5-58Vdc1-8200-400WXQ–LowNoiseAC/DCPowerSupply6-Slot LowNoisehighreliabilityFans Ultrahighefficiency,upto90% Extralowprofile:1Uheight(40mm) UL60950,EN609502ndeditionapproved 1.5-58Vdc1-12400-1200WXB–UltraQuietAC/DCPowerSupply6-Slot LowAcousticnoise38.3dBA Ultrahighefficiency,upto89% Extralowprofile:1Uheight(40mm) UL60950,EN609502ndeditionapproved 1.5-58Vdc1-12400-800WXH–HighTempAC/DCPowerSupply6-Slot Reducedsystemheatdissipation Ultrahighefficiency,upto90% -20°Cto+70°Coperatingambienttemp UL60950,EN60950approvedandCEmarked 1.5-58Vdc1-12400-600WUX4–StandardAC/DCPowerSupply Slimmest600Wconfigurablepower Ultrahighefficiency,upto92% UL/EN609502ndedition UL/EN60601-13rdedition 1.5-58Vdc1-4600WUX6–StandardAC/DCPowerSupply Extralowprofile:1Uheight(40mm) Ultrahighefficiency,upto92% UL/EN609502ndedition UL/EN60601-13rdedition 1.5-58Vdc1-61200WXS500–AC/DCSingleOutputPowerSupply singleoutput24Vor48V Ultrahighefficiency,upto92% EN/UL60601-12ndand3rdEditionapproved IEC609502ndeditionapproved 24,48Vdc1504WXS1000–AC/DCSingleOutputPowerSupply singleoutput24Vor48V Ultrahighefficiency,upto92% EN/UL60601-12ndand3rdEditionapproved IEC609502ndeditionapproved 24,48Vdc11008W MedicalAC/DCPowerSupplies ImageDescriptionDatasheetVoutOutputsPowerXM–MedicalAC/DCPowerSupply4-Slot LowLeakageCurrent<300uA Ultrahighefficiency,upto90% 4KVIsolation UL60601-1,EN60601-13rdeditionapproved 1.5-58Vdc1-8200-750WXV–MedicalAC/DCPowerSupply6-Slot LowLeakageCurrent<300uA Ultrahighefficiency,upto90% 4000VACisolation UL60601-1,EN60601-13rdeditionapproved 1.5-58Vdc1-12400-1340WXR–MedicalLowNoiseAC/DCPSU4-Slot LowNoisehighreliabilityFans Lessthan300μAleakagecurrent 4000VACIsolation EN60601-13rdEditionApproved 1.5-58Vdc1-8200-600WXN–MedicalUltraLowNoiseAC/DCPSU4-Slot LowAcousticnoise37.3.dBA Lessthan300μAleakagecurrent 4000VACIsolation EN60601-13rdEditionApproved 1.5-58Vdc1-8200-400WXZ–MedicalLowNoiseAC/DCPSU6-Slot LowNoisehighreliabilityFans Lessthan300μAleakagecurrent 4000VACIsolation EN60601-13rdEditionApproved 1.5-58Vdc1-12400-1200WXW–MedicalUltraLowNoiseAC/DCPSU6-Slot LowAcousticnoise38.3dBA Lessthan300μAleakagecurrent 4000VACIsolation EN60601-13rdEditionApproved 1.5-58Vdc1-12400-800WUX4–StandardAC/DCPowerSupply Slimmest600Wconfigurablepower Ultrahighefficiency,upto92% UL/EN609502ndedition UL/EN60601-13rdedition 1.5-58Vdc1-4600WUX6–StandardAC/DCPowerSupply Extralowprofile:1Uheight(40mm) Ultrahighefficiency,upto92% UL/EN609502ndedition UL/EN60601-13rdedition 1.5-58Vdc1-61200WXS500–AC/DCSingleOutputPowerSupply singleoutput24Vor48V Ultrahighefficiency,upto92% EN/UL60601-12ndand3rdEditionapproved IEC609502ndeditionapproved 24,48Vdc1504WXS1000–AC/DCSingleOutputPowerSupply singleoutput24Vor48V Ultrahighefficiency,upto92% EN/UL60601-12ndand3rdEditionapproved IEC609502ndeditionapproved 24,48Vdc11008W MilitaryAC/DCPowerSupplies ImageDescriptionDatasheetVoutOutputsPowerXFA–RuggedisedCOTSAC/DCPowerSupply Extralowprofile1Uheight Ultrahighefficiency,upto91% MIL-STD-810G:shockandvibration MIL-STD461F:EMC 1.5-53Vdc1-12400WXFB–RuggedisedCOTSAC/DCPowerSupply Extralowprofile1Uheight Ultrahighefficiency,upto91% MIL-STD-810G:shockandvibration MIL-STD461F:EMC 1.5-53Vdc1-12700WXFC–RuggedisedCOTSAC/DCPowerSupply Extralowprofile1Uheight Ultrahighefficiency,upto91% MIL-STD-810G:shockandvibration MIL-STD461F:EMC 1.5-53Vdc1-121000W PowerModules PowerModulesforXgenPowerPacs Excelsysoffers7differentDCoutputmoduleforusewithXgenpowerPacstobuildyourcustompowersupply!PowerModuleXg1:Output1.0-3.6Vdc/125Watt 2.5Vdcnominaloutput 1.5-3.6VdcUseradjustableoutputvoltagebypotentiometer 1.0-3.6VdcUseradjustableoutputvoltagebyTrim-Pin 50Aoutputcurrent UseradjustablecurrentlimitItrim RemoteSense RemoteON/OFF DCPowerGood PowerModuleXg2:Output1.5-6.0Vdc/200Watt 5.0Vdcnominaloutput 3.2-6.0VdcUseradjustableoutputvoltagebypotentiometer 1.5-6.0VdcUseradjustableoutputvoltagebyTrim-Pin 40Aoutputcurrent UseradjustablecurrentlimitItrim RemoteSense RemoteON/OFF DCPowerGood PowerModuleXg3:Output4.0-15.0Vdc/240Watt 12.0Vdcnominaloutput 6.0-15.0VdcUseradjustableoutputvoltagebypotentiometer 4.0-15.0VdcUseradjustableoutputvoltagebyTrim-Pin 20Aoutputcurrent UseradjustablecurrentlimitItrim RemoteSense RemoteON/OFF DCPowerGood PowerModuleXg4:Output8.0-30.0Vdc/240Watt 24.0Vdcnominaloutput 12.0-30.0VdcUseradjustableoutputvoltagebypotentiometer 8.0-30.0VdcUseradjustableoutputvoltagebyTrim-Pin 10Aoutputcurrent UseradjustablecurrentlimitItrim RemoteSense RemoteON/OFF DCPowerGood PowerModuleXg5:Output8.0-58.0Vdcwide/288Watt 48.0Vdcnominaloutput 24.0-58.0VdcUseradjustableoutputvoltagebypotentiometer 8.0-58.0VdcUseradjustableoutputvoltagebyTrim-Pin 6Aoutputcurrent UseradjustablecurrentlimitItrim RemoteSense RemoteON/OFF DCPowerGood PowerModuleXg7:Output5.0-28.0Vdcwide/120Watt 24.0Vdcnominaloutput 5.0-28.0VdcUseradjustableoutputvoltagebypotentiometer 5.0-28.0VdcUseradjustableoutputvoltagebyTrim-Pin 5Aoutputcurrent RemoteON/OFF DCPowerGood PowerModuleXg8:DualseparatedOutput2x5.0-28.0Vdc/2x72Watt 2x24.0Vdcnominaloutput 2x5.0-28.0VdcUseradjustableoutputvoltagebypotentiometer 2x5.0-28.0VdcUseradjustableoutputvoltagebyTrim-Pin 2x3Aoutputcurrent RemoteON/OFF DCPowerGood PowerModulesforUltimodPowerMods Excelsysoffers11differentDCoutputmoduleforusewithUltimodpowerPacstobuildyourcustompowersupply!PowerModuleXgG:Output1.0-3.6Vdc/100Watt 2.5Vdcnominaloutput 1.5-3.6VdcUseradjustableoutputvoltagebypotentiometer 1.0-3.6VdcUseradjustableoutputvoltagebyTrim-Pin 40Aoutputcurrent RemoteON/OFF DCpowergood PowerModuleXgH:Output1.5-6.0Vdc/180Watt 5.0Vdcnominaloutput 3.2-6.0VdcUseradjustableoutputvoltagebypotentiometer 1.5-6.0VdcUseradjustableoutputvoltagebyTrim-Pin 36Aoutputcurrent RemoteON/OFF DCpowergood PowerModuleXgJ:Output4.0-15.0Vdc/220Watt 12.0Vdcnominaloutput 6.0-15.0VdcUseradjustableoutputvoltagebypotentiometer 4.0-15.0VdcUseradjustableoutputvoltagebyTrim-Pin 18.3Aoutputcurrent RemoteON/OFF DCpowergood PowerModuleXgK:Output8.0-30.0Vdc/220Watt 24.0Vdcnominaloutput 12.0-30.0VdcUseradjustableoutputvoltagebypotentiometer 8.0-30.0VdcUseradjustableoutputvoltagebyTrim-Pin 9.2Aoutputcurrent RemoteON/OFF DCpowergood PowerModuleXgL:Output8.0-58.0Vdcwide/240Watt 48.0Vdcnominaloutput 24.0-58.0VdcUseradjustableoutputvoltagebypotentiometer 8.0-58.0VdcUseradjustableoutputvoltagebyTrim-Pin 5Aoutputcurrent RemoteON/OFF DCpowergood PowerModuleXgA 12.0Vdcnominaloutput 10.8-15.6VdcUseradjustableoutputvoltagebypotentiometer 12.5Aoutputcurrent 150W PowerModuleXgB 24.0Vdcnominaloutput 19.2-26.4VdcUseradjustableoutputvoltagebypotentiometer 8.3Aoutputcurrent 200W PowerModuleXgC 36.0Vdcnominaloutput 28.8-39.6VdcUseradjustableoutputvoltagebypotentiometer 5.6Aoutputcurrent 200W PowerModuleXgD 48.0Vdcnominaloutput 38.5-50.4VdcUseradjustableoutputvoltagebypotentiometer 4.2Aoutputcurrent 200W PowerModuleXgE 24.0Vdcnominaloutput 5.0-28.0VdcUseradjustableoutputvoltagebypotentiometer 5.0Aoutputcurrent 120W DCPowerGood [PowerModuleXgF 2x24.0Vdcnominaloutput 2x5.0-28.0VdcUseradjustableoutputvoltagebypotentiometer 2x3Aoutputcurrent DCPowerGood LEDPower ExcelsysTechnologiesoffersthebroadestrangeofLEDdriverpowersuppliessuitableforoutdoorandindoorlight.Withhighestefficienciesofover90%ExcelsysofferthehighestreliabilityLEDdriverpowersuppliesbackedupbytheIndustryleading5yearwarranty. CarryingfullsafetyagencyapprovalsincludingUL8750andEN61347,theExcelsysrangeofLEDdriversprovide25Wto300WwithConstantCurrent,ConstantVoltageandDimmingsolutions.WithIP67(waterproof)ratingsandwideoperatingtemperatureranges,theseLEDdriversareidealforuseinawiderangeofindustriallightingapplications. ApplicationsInclude Features Highbaylighting Streetlighting Refrigeratorlighting OfficeLighting SignageandDisplays Highefficiencygreaterthen90% IP67waterproof 5yearwarranty HighReliability ConstantCurrent,VoltageandDimming Techn.Support Downloads&TechnicalSupport XgenDesigner'sManual TheXgenDesigners’ManualhasbeenpreparebyExcelsyspowersupplyexpertstoassistengineersandtechniciansinunderstandingcorrectdesignpracticesnecessarytoachievethemaximumversatilityandperformancefromanyoftheXgenseriesoffamilyofproducts.Whateveryourapplication,beitindustrialelectronics,medicalequipment,automationequipmentetc.,theXgenDesigners’Manualprovidesthesystemdesignerwitheasytoimplementintegrationinstructions. Excelsys_XgenDesignerManual XgenApplicationNotes AtExcelsysourbackgroundisinthedevelopmentandsupportofhighefficiency,highreliabilityPowerSuppliesforapplicationsintheMedical,Industrial,LightingandMilitarymarkets.WehavealonghistoryofworkingwithMarket-leading,Blue-ChipCompanies,supportingthousandsofdifferentProjectsandApplications,buildingupawealthofbothsystemandproductknowledge.OurexperiencedApplicationsTeamsarebasedintheUSandinEuropeallowingthemtoofferanimmediatevalueaddservicetoourcustomers. Keysupportfunctionsinclude: Designconsultancysupport,includingproductrecommendations,todeliveroptimalsystemperformance,andimportantlyreducingtime-to-market Attentiontototalcostofownershipfordurationofproductlifetime–addressedatthedesignstage In-lifeproductsupportenablingproductmodificationsandupgradeswithminimumdisruption Pre-launchproductcertificationsupportforthelateststandardsincluding;UL,CE,VDEetc ManagementofrelationshipswithkeyTechnicalPartnersincludingtheworldsleadingLEDmanufacturers PublicationofwhitepapersoutliningthelatestIndustry,ApplicationandProducttrends Downloads ApplicationNote1:Dynamicvoltageadjustmentofparallelconnecedoutputs ApplicationNote2:UsingXgenasaconstantcurrentsource ApplicationNote3:RemoteSensing:AdvantagesandImplementation ApplicationNote4:XgenPowersupplyfeatures:Advantages ApplicationNote5:Ripple&Noise:Measurementandreductiontechniques ApplicationNote6:EMI:Considerationsandmeasurement ApplicationNote7:Safety:ClassIversusClassII ApplicationNote8:TemperatureMeasurements:CaseVersusAmbientTemperature ApplicationNote9:UseofPlanarMagnetics:DesignandOptimisation ApplicationNote10:HI-POTand4KVIsolationtesting. ApplicationNote11:RegulationofHarmonics:EN61000-3-2 LEDDriverApplicationNotes ApplicationNote1:DrivingLEDs&howtochoosethecorrectLEDpowersupply ApplicationNote2:DimmingcontrolofLEDs ApplicationNote3:RemoteSensing:AdvantagesandImplementation ApplicationNote4:XgenPowersupplyfeatures:Advantages ApplicationNote5:Ripple&Noise:Measurementandreductiontechniques ApplicationNote6:EMI:Considerationsandmeasurement ApplicationNote7:Safety:ClassIversusClassII ApplicationNote8:TemperatureMeasurements:CaseVersusAmbientTemperature ApplicationNote11:RegulationofHarmonics:EN61000-3-2 SafetyCertification Whateveryourapplication,Excelsyscanprovideasolution.AllourpowersuppliescarryfullinternationalsafetyagencyapprovalsincludingULandENforInformationTechnologyandMedicalpowersuppliesfortheXgenaswellasUL8750andEN61347-1forLightingToeasethesystemsafetyapprovalswehaveprovideourULandCBcertificateswehavealsoincludedourDeclarationsofConformity. ULCertificates XgenSeriesUL60950-1Certificate XgenSeriesUL60601-1Certificate(Medicallyapproved) CBCertificates XgenSeriesUL60950-1Certificate XgenSeriesEN60601-13rdEditionCertificate(Medicallyapproved) DeclarationofConformityXgenSeries XgenseriesCEconformity(EN60950-1),pdf32kb XgenseriesCEconformity(EN60601-1),pdf32kb DeclarationofConformityLEDDrivers LXCConstantCurrentLEDCEConformity LXDDimmingLEDCEConformity LDVConstantVoltageLEDCEConformity LXVConstantVoltageLEDCEConformity RoHSDeclarationXgenSeries XgenRoHSDeclaration,pdf RoHSDeclarationLEDDrivers LEDDriversRoHSDeclaration EMICharacterisation Excelsyspowersuppliesarecomponentpowersupplies,andassucharenotsubjecttotheEMCdirectiveforEMI,howeverinordertoeasesystemintegration,ExcelsysTechnlogieshascarriedoutextensiveEMIcharacterizationofourproductsagainsttherelevantstandards.OurfullEMIreportsareavailable. EMITestreport4slot EMITestreport6slot HALTReport Poorreliability,lowMTBF,frequentfieldreturns,highin-warrantycosts,andcustomerdissatisfactionareoftentheresultofdesignand/orprocessweaknesses,evenifaproducthassuccessfullypassedqualificationtestsandburn-in.ExcelsysTechnologiessubjectsallourproductstotheHALT(HighlyAcceleratedLifeTesting)processtouncoverdesignand/orprocessweaknesses.DuringtheHALTprocess,theproductissubjectedtoprogressivelyhigherstresslevelsbroughtonbythermaldwells,vibration,rapidtemperaturetransitionsandcombinedenvironments.ThesestimuliarewellbeyondtheexpectedoperatingfieldenvironmentsHALTTestreportXgenSeries. XgenSeriesHALTreport:HALTXgenseriespowersupply,pdf448kb WhitePapers Excelsyspowersupplyexpertshaveanextensiveknowledgeofpowersupplies,technologyandthechallengesfacingsystemdesigners.InconjunctionwiththeXgenDesigners’Manual,andApplicationNotes,wealsoprepareWhitePapersontopicsthatarerelevanttosystemdesigners. DownloadsXgenSeries PowerSupplyEfficiencyWhitePaper,pdf Ripple&Noise:Measurementandreductiontechniques EMI:Considerationsandmeasurement Safety:ClassIversusClassII TemperatureMeasurements:CaseVersusAmbientTemperature PlanarMagnetics:DesignandOptimisation RegulationofHarmonics:EN61000-3-2 DownloadsLEDdrivers DrivingLEDs&howtochoosethecorrectLEDpowersupply DimmingcontrolofLEDs RegulationofHarmonics:EN61000-3-2 TrainingVideos ConfigureXgen PLEGroup WhatisXgen Xgeninparallel Xgeninseries XgenReliability XFseries FAQ's Q:CanIcreateanegativeoutputfromtheXgen? A:Yes.AlloutputsintheXgenarefullyisolatedoutputs,sotheycanbereferencedtoacommonpointcreatingeitherapositiveornegativeoutputvoltage.Tocreateanegative5Voutputforexample,the+Voutterminalofthemoduleshouldbeconnectedtothecommonreturn(chassisground,earthgroundetc).The–Voutterminalwillthendeliverthe-5Voutput.Alloutputshave500Voutput-outputisolationand500Voutput-groundisolation. Q:CanIconnect2ormorepowersuppliesinparallelforhighercurrent? A:Yes.TheXgenseriesofpowersuppliescanbeparallelconnectedforhigherpowerandcurrentapplications.ThemaximumEarthLeakageCurrentofthesystemisanimportantconsiderationforthesystemdesigner.Dependingontheapplication,thisfigurewillvary,forexampleinindustrialequipmentitis3.5mA.ThetotalleakagecurrentfromthepowersuppliesshouldbecalculatedbyaddingtheindividualMaximumEarthLeakageofeachpowersupply.E.g.6xXVD(eachwithmaximumEarthLeakageof300uA)willhaveacombinedmaximumEarthLeakageof1.8mA.EarthLeakagecurrentwillvarywithinputlinevoltage.Itishighera220VACthan110VAC.ExcelsysTechnologiesmeasuresEarthLeakageattheworstcasevoltageof250VAC.ItisalsoimportanttonotethatothercomponentsinthesystemcancontributetoEarthLeakagecurrentandshouldbeconsideredwhencalculatingthemaximumsystemEarthLeakagecurrent. Q:CanIuseanXgeninmyMedicalEquipment? A:Yes.TheXmite,Xrite,XviteandXziteprovidemedicallyapprovedpowersuppliesfrom200Wto1340W.OurmedicallyapprovedpowersuppliesareCEmarkedforSafetyandcarryfullEN60601-1approvalsmeeting4000KVisolation,lessthan300uAEarthLeakagecurrentandrequiredcreepageandclearances.CertificatesandreportsareavailableinourTechnicalSupportsection.Formoredetailsonmedicalpowersupplies,implementationandconsiderations,pleasevisitourMedicalElectronicssectionandourApplicationNotessection. Q:AreExcelsysproductsRoHScompliant? A:Yes.AllExcelsysproductsmeettherequirementsoftheRoHS(ReductionofHazardousSubstances)Directive.Ourprogramofcompliancewascompletedin2006.TheWEEE(WasteElectricalandElectronicEquipment)Directivecoversanumberofitemsincluding;largeandsmallhouseholdappliances,ElectricandElectronictools,lightingandconsumerequipment.ExcelsysTechnologiescanconfirmthatourpowersuppliesdonotfallunderthescopeoftheWEEEDirective.NotethatsomepowersuppliesdofallunderthescopeoftheWEEEDirectivesuchasExternalpowersupplies. Q:CanIremotelyswitchON/OFFtheXgen? A:Yes.TheXgenhasglobalInhibit/EnablefunctionbuiltinthatallowsuserstoremotelyswitchON/OFFthepowersupplyusingadigitaloranalogsignal.Furthermore,eachoftheisolatedoutputscanalsobeindividuallyInhibited/Enabledallowinguserstosequenceoutputsandcontroltheirsystemstart-up.Formoredetailsonhowtoimplementthesefunctions,pleaserefertotheXgenDesignersManual. Q:CanIparallelconnectpowersuppliesforanN+1redundancysystem? A:Yes.ParallelconnectingpowerssuppliesforoperationinRedundantmodeisanacceptableandoftennecessarypractiseformissioncriticalapplications.Toensurecorrectoperationeachpowersupplymustbecapableofprovidingthefullsystemload.Thethepowersuppliesshouldhavetheiroutputsconnectedinparallelviadiodes.Thediodespermitonpowersupplytofailwithoutaffectingtheother.FormoredetailsseeourXgenDesignersManualandApplicationNotessection. Q:IhaveanumberofPowerModsinparallelandwanttousetheremotesenseoption,doIneedtobringoutallofthesenselinestomyload? A:Allofthesenselineswillneedtobeconnectedtotheload,butthecomplexityofthewiringcanbereducedbyconnectingallofthesenselineslocallyandbringingoutonepairofsenselinestotheload.Pleaserefertothedesigner’smanualformoredetailsonthis. Q:InoticetheXg8isadualoutput,ifIhaveanunbalancedloadwillitaffectcrossregulation? A:No.Bothoutputsarefullyfloatingandareisolatedfromeachother.Theyalsobothhaveindependentregulationwhichisnoteffectedbytheadjacentoutput. Q:InoticethatwhenIconnectthesensepinstheoutputvoltagedrops,evenatnoload.Isthisthatyouwouldexpect? A:Yes.Duetothevoltageratioofourfeedbackdividerchainwhenthesenselinesareconnectedwewouldexpecttoseeapprox200mVdroponcetheremotesenselinesareconnected. Q:Ihaveabatterychargingapplication;doyourecommendtheuseofablockingdiode? A:TheXgenisdesignedtosinkandsourcecurrentinordertomaintainitsregulationsetpoint.Wealsohaveanegativecurrentlimittopreventdamagetothefreewheelfetintheeventofexcessiveenergycomingbackformtheload.Inabatterychargingapplication,wherethisenergyissufficientlyhighthereisapossibilitythatthismaybeasourceforpotentialdamage,soExcelsyswouldalwaysrecommendablockingdiodeforanybatterychargingapplication. Q:CanIuseacombinationofunitsinparallelANDinseriestogivememyrequiredvoltageandpowerrequirements? A:Yes.TheXgenseriesisthemostflexiblepowersupplyonthemarket Q:WhereisthevoltagesetpointmeasuredonaconfiguredXgen? A:ForpowerModsXg1toXg5theoutputvoltageissetatthepositiveandnegativesensepins,i.e.Pin1andPin2ofConnectorJ3.ForpowerModXg7theoutputissetatthe+Vout(Pin2)and-Vout(Pin1)oftheJ4connector.ForpowerModXg8theoutputissetonthe+Voutand-Voutpinsforeachoutput,i.e.Pin4throughtoPin1respectivelyoftheconnectorJ4. Q:Arethefansalwaysonandaretheyconstantspeed? A:Yes.TheXgenpowerPacconsistsofafancooledsemi-enclosedchassis.Analways-onconsentspeedfanisusedtoenableindustryleadingpowerdensitiesof15W/in3andthe90%plusefficienciesuptothe1340Wattsavailable.ToincreasefanlifetheGlobalInhibitcanbeusedtoturnoffthepowersupplyundernoloadconditions(fanwillbeturnedoff)andforacousticsensitiveapplicationstheXgenseriesisavailableinaLowAcousticNoiseversions. Q:CanIuseaDCinputvoltagewiththeXgenseries? A:Yes.Aswellasuniversalinputvoltagerangefrom85to264VACtheXgenalsoworkswith120to380VDCattheinput. Q:HowdoIsetthevoltageonindividualpowerModswhentheyarebeingusedinparallel? A:FirstensurethatthepowerModsDIPswitchIShareissettoONforreachpowerMod.Thenattachthenegativeparallellink.AdjusttheoutputvoltageonpowerMod1totherequiredoutput.MeasurethevoltagedifferencebetweenthepositiveterminalsofpowerMod1andpowermod2.AdjustthepowerMod2voltagetominimizethedeltaandthenattachthepositiveparallellinks.RepeatthisforeachsubsequentpowerMod.FulldetailsofthisareprovidedinthepowerModOperationinSection7oftheXgenDesignersManual. Q:IstheOVP(OverVoltageprotection)latchingornonlatching? A:Overvoltageprotection(OVP)isimplementedasatwolevelscheme.LevelOneOVPisinitiatedwhentheoutputisbetween110to115%oftheVset,thisisnonlatching.LevelTwoOVPfixedrelativetoVmax.Iftheoutputvoltagerisestobetween110to125%ofVmaxtheOVPisinitiated.Thisisalatchingprotectionanditisresetbyremovingandreinstatingtheinputpower.FulldetailsofalltheprotectionfeaturesoftheXgenseriesaregiveninSection7oftheDesignersManual. 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