©2020HIOKIE.E.CORPORATION A_AP_CT0001E01

Industry:Automobile,ECU,Electricalequipment;Category:R&D,TesKng 

AutomoKveElectricalEquipmentandECUCurrentMeasurementMulK-rangeCurrentProbeCapableofMeasuringfrom1mAto50A

Productsused•  CURRENTPROBE:CT6710,CT6711(100μAres.,DCto50MHz,120MHz)•  MEMORYHiCORDER:MR6000※Mainunitcannotoperatealone.YoumustinstalloneormoreopKonalinputmodelsintheunit.•  SSDUNIT:U8332•  4chANALOGUNIT:U8978(DCto2MHz)•  PROBEPOWERUNIT:Z5021

DarkcurrentsStandbycurrentsECUcontrolsignalsRelaydrivecurrents

RelayflybackcurrentsMotorinrushcurrents

(Powerwindows)(Powerseats)

CurrentTes.ngofAutomobiles:InthedevelopmentofautomoKveelectricalcontrolsystems,itisimportanttomeasureandvalidateadiversearrayofcurrentlevelsamongcomponentssuchas:•Drivecurrentofvariousmotorsintheorderofseveralamperes•Inrushcurrent,forexampleatmotorstart,intheorderofseveraltensofamperes•Minutecontrolsignalsofabout1mA•Standbycurrent

Theneedtomeasuresuchawiderange,frommicrostandbycurrentstoinrushcurrentsthatcanreachtensofamperestradiKonallynecessitatetheuseofseparatesensorsequippedwiththeappropriaterangesothatresoluKonandaccuracyarenotsacrificed.Usingahigherrangecurrentsensortomeasurelowstandbycurrentwillrevealnomeaningfulresult,whilesensorswithalowrangewillnotbeabletohandlehighcurrentssafely.

ASolu.onin3-RangeHiokiCurrentSensors:HiokiprovidesasoluKonforthisparKcularapplicaKonwiththeCT6710(50MHzbandwidth)andCT6711(120MHzbandwidth)currentprobes,bothofwhichofferthreeseparaterangestoanexpansiverangeofmeasurementsinasingleunit.Inthe30Arange,inrushcurrentofupto50Apeakcanbemeasured,andinthe0.5Arange,1mAcurrentcanbeaccuratelyobservedwithoutconcernofthesignalbeingburiedinnoise-allwhilemaintaining±3.0%accuracyinall3ranges.

MeasurementsafetyisacriKcalissueespeciallywhenhighcurrentsarepresent,andthisisespeciallytruefortheelectricalvehicledevelopmentenvironment.TheCT6710andCT6711improveworkefficiencyandtaketheguess-workoutofselecKngtherightrangebyofferingabuilt-infuncKonthatprotectsagainstexcessivecurrentinput.Withthesesensors,ifyouaccidentallymeasureacurrentbeyondthesetrange(0.5Aor5A),thesensorsaredesignednottofail.

Besidesmotorcurrent,EngineControlUnits(ECU)thatoutputalargenumberofsignalsalsoneedtobemeasuredandverifiedfortheirabilitytocommunicatewithoneanothertoensuretheproperoperaKonofinstrumentaKonandotherautomoKvecomponents.Thiscaneasilybeachievedwithhigh-speeddataacquisiKonequipmentsuchasaMemoryHiCorder.

CT6710,CT6711

AllinformaKoncorrectasofFebruary2020.AllspecificaKonsaresubjecttochangewithoutnoKce.

MR6000