Extech Instruments DPC42 Bedienungsanleitung

USERGUIDE

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ModelDCP42

160WLaboratoryGradeConstantPower,

SwitchingModePowerSupply

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DCP42‐en‐GB_V1.512/14

TableofContents

1.INTRODUCTIONANDFEATURES4

2.SAFETY5

3.POWERSUPPLYDESCRIPTION6

4.CONTROLMODES7

4.1NormalMode7

4.2PresetMode7

4.3SetMode7

4.3.1SettingtheΔV/Δtvalue7

4.3.2ActivatingtheRemoteControlMode8

4.3.3DeactivatingtheRemoteControlMode8

4.3.4FactoryDefaultReset8

5.OPERATION9

5.1PoweringtheSupply9

5.2SwitchingthePowerSupplyONandSelf‐TestInformation9

5.3UsingtheControlknobs9

5.4ConnectingthePowerSupplyandrunningaTest9

5.5KeypadLockoutfunction9

5.6ManualOutputON/OFF9

5.7Ammeter/WattmeterSelection9

6.SUPPLEMENTALFUNCTIONS10

DCP42‐en‐GB_V1.512/14

6.1ΔV/ΔtFunction10

6.1.2SettingtheDCgeneratorvoltagelevel10

6.1.2SettingtheΔt10

6.1.3GeneratingRamp‐UporRamp‐DownDCoutputcycles10

6.2FunctionA/B/CWaveformGenerator11

6.2.1SetFUNC(A/B/C):11

6.2.2GeneratingWaveForm11

6.3UpperVoltageandCurrentLimits12

6.4RemoteSensing12

6.4.1Connection12

6.4.2Disconnection12

6.5RemoteControlOperation13

6.5.1REMOTECONTROL–METHOD1:UsingtwoexternalDCvoltagesources13

6.5.2REMOTECONTROL–METHOD2:Usingtwo0to5KOhmvariableresistors13

6.5.3RemoteControlOutputON/OFF14

7.PCSOFTWAREPROGRAM14

8.AUTOMATICOUTPUTSTEPPROGRAMS14

8.1ExternalTimedProgramWindow15

8.2OutputON/OFFfunction15

8.3AutomaticTimedOutputOperation15

9.APPENDIX–ADDITIONALOPERATIONALEXAMPLES16

10.SPECIFICATIONS17

11.TROUBLESHOOTING19

DCP42‐en‐GB_V1.512/14

1. IntroductionandFeatures

ThankyouforselectingtheExtechDCP42SwitchingModePowerSupply.Thisnewlyre‐designed

laboratorygradepowersupplydiffersfromaconventionalpowersupplyinthatitcancalculate

andchangethevoltageandcurrentlimitpointsaccordingtotheavailablemaximumpower.

Thereforethemaximumlimitsofthevoltageandcurrentarechangeableaccordingtotherated

power.Aconventionalpowersupplyhasonlyasetmaximumvoltageandcurrentsuchthatallof

theoperatingV&Amustfallwithintheselimits.TheDCP42offerscostsavingandspacesaving

advantagesasoneconstant‐powerpowersupplycandotheworkofseveralconventionalpower

supplies.

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TheDCP42ishighlyefficient,incorporatesupgradedSMPScircuitrywithsmallformfactor,benefits

fromanautomaticcross‐overforCCandCV,hasthree(3)Voltage/Currentpresets,andcanbe

remotecontrolled.TheDCP42isperfectforsolvingavarietyofloadingconditionsandapplications.

Featuresincludethefollowing:

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Dualaction(Course/Fine)tuningprovidessmooth,accurate,andquicksettingof

Voltage/Current

Setting,changing,andverifyingthecurrentlimitlevelisconvenientandcanbe

performedwithoutoutputpolespiking

TheRemoteControlfeaturepermitsoutputON/OFFandVoltage/Currentadjustments

withouttheneedtotouchthefrontpanelofthepowersupply

TheUSBportoffersPCconnectivityforprogrammingandrunningramp/soakcycleswith

20programmablesetsofVoltage/Currentandvaryingtestdurations(upto999cycles)

TheDCrampandwaveformgeneratorcaneitherbepanelsetorsetbythesupplied

softwarewhichpreviewsthefinalwaveform.

ApplicationsandindustrieswheretheDCP42canbeemployedincludelaboratory,

telecommunications,productiontesting,fieldtesting,DCnetworkpowering,andmore

Three(3)userprogrammableVoltage/Currentsettingsofferquickrecalloffrequently

usedtestsettings.

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Thisdeviceisshippedfullytestedandcalibratedand,withproperuse,willprovideyearsofreliable

service.Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionofthisUser

Guide,ProductUpdates,andCustomerSupport.

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DCP42‐en‐GB_V1.512/14

2. Safety

Thismanualcontainsimportantsafetyandoperationinstructionsforcorrectuseofthepower

supply.Readthroughthemanualandpayspecialattentiontothemarkingsandlabelsofthisunit

andequipmenttobeconnected.

Payspecialattentiontothesetwotypesofnoticesusedinthismanual:

WARNING:Failuretoobservethiswarningmaycauseinjurytopersonsanddamagetopower

supplyorconnectedequipment.

CAUTION:Failuretoobservethiswarningmayresultindamagetoequipmentand

improperfunctioningofthepowersupply.

WARNING

Donotusethispowersupplynearwater

Donotoperateortouchthispowersupplywithwethands

Donotopenthecasingofthepowersupplywhenitisconnectedtoacmains

Referallservicingtoqualifiedservicepersonnelonly

BeforereplacingtheACfuse,determinethecauseandclearupthecausefirst

ReplacetheACfusewiththesametypeandratingastheoriginalfuse

ThemaximumoutputvoltageoftheDCP42exceeds60VDC,avoidtouchingthemetal

contactpartsattheoutputterminals

CAUTION

Useagrounded3pinACsource

Thisunitisintendedforindooruseonly

Donotoperateorplacethisunitinahumid,dustylocation

Donotoperatethisunitindirectsunlightornearanyheatsource

BeforepluggingintolocalACmains,checktheratinglabelatthebackoftheunit

Donotblockanyventilationopeningsoftheunit

Thisunitmustbeusedwithinthespecifiedrating;regularexcessivecontinuousloadingmay

causedamagetothepowersupply

Thegaugesizeoftheinputpowercablemustbeatleast0.75mm2andthetotallengthof

powercablemustnotexceed3m

InputFuseRecommended:T3AL250V(3ATime‐Lag)

ENVIRONMENTALCONDITIONSFOROPERATION

10‐80%R.H.(RelativeHumidity)

Altitudeupto2000m(6561ft.)

Installationcategory:CAT2

Pollutiondegree:2

Mainssupplyvoltagefluctuationupto±10%ofnormalvoltage

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DCP42‐en‐GB_V1.512/14

3. PowerSupplyDescription



(1)LEDpanelmeterdisplaywithCC/CV/WIndictor

(2)RemoteControlIndicator(RemoteControl/USBmode)

(3)OutputVoltageControlKnob

(4)OutputCurrentControlKnob

(5)PowerON/OFFSwitch

(6)6buttonKeypad(withillumination):

‐PresetKeyd1,2&3

‐MenuKey(ShiftKey)

‐Lock/UnlockKey(A/WmeterKey)

‐OutputON/OFF(ΔV/ΔtKey)

(7)OutputSafetyJacks(Rated10A)

(8)USBRemoteControlport(Foraccesstocomputertoruncyclicaloperationwithprogrammable

voltage,current,periodtimeandcycle)

(9)RemoteSensingTerminal

Warning!Shortingtheremotesensingterminalorconnectingthesensingterminalwiththe

polarityreversedwilldamagethepowersupply

(10)RemoteControlTerminal

(11)ACInletsocket(withfuseholder)

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DCP42‐en‐GB_V1.512/14

4. ControlModes

Therearefourcontrolmodesforthepowersupply:NORMAL,PRESET,SET,andREMOTECONTROL

modes.ThepowersupplyisfactorypresettoNormalModewithmaximumcurrentlevelCC.

4.1NormalMode

Thisisthefactorydefaultmode;thepowersupplyoutputVoltageandCurrentarecontrolledby

thedualactiongainknobs.

1. Pushtheknobstotogglethecoarseandfinetuning,noticethesubtlechangesin

brightnessoftherelatedLED.

2. Adjusttheknobstothedesiredvaluesusingcoarseandthenfinetuning.

3. Tocheckthepresetcurrentlevel,turntheCurrentKnoblightlyinanydirection.

4. Thedisplaywillresumeitsnormalbrightnessafterafewsecondstore‐affirmthe

adjustment.

4.2PresetMode

1. TherearethreepresetoutputsP1/P2/P3available.

2. PressthePresetbutton(1,2,or3)toenterthepresetmode(thebutton’slightwill

switchON).

3. Thepresetvaluesarefactorysetasshowninthetablebelowandareretainedevenafter

theunithasbeenpowereddown.

4. Theusercanchangetheseoutputsettingsusingthevoltageandcurrentknobs.

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RecallNo.OutputVoltage OutputCurrent

P15VMaximum

P213.8VMaximum

P3 40VMaximum

4.3SetMode

EntertheSetModebypushingandholdingtheMENUbuttonfor3seconds.IntheSetModethe

usercanadjusttheΔV/Δtvalue,accesstheremoteControlmode,orperformaFactoryReset

recallfunction.Note:Ifnoselectionismadeafter10secondsthepowersupplydefaultstoits

priorsettings.

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4.3.1SettingtheΔV/Δtvalue

a.PressandholdtheMENUbuttonfor3secondstoaccesstheSetMode.

b.TurntheVoltagecontrolknobuntilthepanelmeterdisplays“dudtSet”asshownbelowand

thenpresstheVoltagecontrolknobtoentertheΔV/Δtsettingmode.



c.AdjusttheVoltageandCurrentcontrolknobsasdesiredtosettheΔV/Δtvalue.Furtherdetails

areprovidedinthededicatedsectionforΔV/Δtmodelaterinthisguide.

d.Whenfinished,presstheVoltagecontrolknobtoconfirmandreturntoSetmenu

e.PresstheMenukeytoexittheSetmenu

f.TostarttheΔV/Δtfunction,presstheSHIFTbuttonandthenpresstheΔV/Δtbuttontorun,

g.TostoptheΔV/Δtfunction,presstheSHIFTbuttonandthenpresstheΔV/Δtbuttonagain.

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DCP42‐en‐GB_V1.512/14

4.3.2ActivatingtheRemoteControlMode

a.PressandholdtheMENUbuttonfor3seconds.

b.TurntheVoltagecontrolknobuntilthepanelmeterdisplays“rCSet”asshownbelowand

thenpresstheVoltagecontrolknobtoconfirmentryintotheremotecontrolmode.



c.TurntheCurrentcontrolknobtoselectremoteYESorNO.

d.PresstheVoltagecontrolknobtoconfirmandtoreturntotheSetmenu.

e.PresstheMenubuttontoexittheSetmenu.

f.DetailsoftheremotecontrolmodearelocatedinthededicateRemoteControlsectionlaterin

thisguide.

Note:AfteractivatingtheRemoteControlMode,allfunctionkeyslocatedonthefrontpanelwill

belocked(theLock/UnlockbuttonlightswitchesON).



4.3.3DeactivatingtheRemoteControlMode

a. PresstheLock/Unlockbuttontounlockallofthefunctionkeys

b. Repeatstepsatocinthe‘ActivatingtheRemoteControlMode’sectionaboveandset

RemoteControltoNOandthenpressthevoltagecontrolknob.

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4.3.4FactoryDefaultReset

a.PressandholdtheMENUbuttonfor3seconds.

b.TurntheVoltagecontrolknobuntilthepanelmeterdisplays“FACSSEt”asshownbelowand

thenpresstheVoltagecontrolknobtoconfirmentryintotheFactoryResetmode.



c.TurntheCurrentcontrolknobtoselectYesorNo.

d.PresstheVoltagecontrolknobtoconfirmandtoreturntotheSetmenu.

e.PresstheMenubuttontoexittheSetmenu.

f.ThePowerSupplywillrebootandreverttoitsFactoryDefaultsettings.



DCP42‐en‐GB_V1.512/14

5. Operation

Note:TheDCP42TotalOutputVoltageRangeis42VDCandtheTotalRatedCurrentis0to10ADC



5.1PoweringtheSupply

ChecktheratinglabelofthepowersupplyandensurethatitcomplieswiththeACmainsvoltage

thatistobeused.ConnectthepowersupplytotheACMainsusingtheprovidedpowercord.

5.2SwitchingthePowerSupplyONandSelf‐TestInformation

Thepowersupplywillperformaseriesofself‐testswhenitisswitchedON.TheLEDandother

indicatorsonthefrontpanelwillilluminateinsequence.Whenthecoolingfanisbeingchecked,

ahighspeedwindsoundcanbeheard.Aftertheself‐tests,theCV,VandALEDindicatorsarelit

andtheunitdisplaysvoltageand0.0current.TofindtheCCcurrentlevel,turnthecurrent

controlknoboneclickineitherdirection.Thecurrentdisplayreturnsto0.0afterafewseconds.

5.3UsingtheControlknobs

Therotaryencodercontrolknobshavefineandcoarsetuningwith‘clicking’movement.Push

theknobstotogglebetweencoarseandfinetuning,noticethesubtlechangesinbrightnessof

therelatedLED.Adjusttheknobstothedesiredvaluesbyusingcoarseandthenfinetuning.

Thedisplaywillresumeitsnormalbrightnessafterfewsecondstoconfirmanadjustment.

5.4ConnectingthePowerSupplyandrunningaTest

1. Connecttheequipmentundertesttothepowersupply.Red(+)isconnectedtothepositive

polarityinputoftheequipmentandBlack(‐)isconnectedtothenegativepolarityinputof

theequipment.

2. SwitchONthepowersupplyfirst;thepanelmeter&greenCVIndicatorshouldilluminate.

3. Next,switchONtheequipmentundertest;thepanelmeter&greenCVIndicatorshould

remainlitingreen.

4. Testingcannowbegin.

5. Whenfinished,switchOFFtheequipmentundertestfirstandthenswitchoffthepower

supply.

5.5KeypadLockoutfunction

1. PressLOCK/UNLOCKtolockorunlockallofthefunctionbuttonsandcontrolknobsonthe

frontpanel.

2. TheLOCK/UNLOCKbuttonlightswitchesONwhenthepush‐buttonsarelocked.

5.6ManualOutputON/OFF

1. PressOUTPUTON/OFFbuttontomanuallysettheoutputONorOFF.

2. TheOUTPUTON/OFFbuttonlightswitchesONwhentheoutputisON.

5.7Ammeter/WattmeterSelection

1. WiththeoutputONandallpresetsOFF,pressSHIFTandthenpressPRESET.

2. PresstheSHIFTbuttonagainandthenpresstheLOCK/UNLOCKbuttontochangefrom

AmmetermodetoWattmetermode.

3. TochangebacktoAmmetermodefromWattmetermode,presstheSHIFTbuttonandthen

presstheLOCK/UNLOCKbutton.

DCP42‐en‐GB_V1.512/14

6. SupplementalFunctions

6.1ΔV/ΔtFunction

Thereare3DCvoltagegeneratorsettings(A,B,andC).

Preset1=A

Preset2=B

Preset3=C

ΔVa‐b(fromvoltagelevelAtovoltagelevelB).

Δta‐b(timeinsecondsfromvoltagelevelAtolevelB,thistransittimeisadjustablefrom0to20

seconds)

6.1.2SettingtheDCgeneratorvoltagelevel

Thereare3generatorvoltagelevelspresets(A,B,andC).

PressthePresetbutton1,2and3andadjustthevoltagetothedesiredvalue.



6.1.2SettingtheΔt

Thereare6setsofΔtavailable,turningtheVoltagecontrolknobcyclesthroughthefollowing

sequence:AB→BA→AC→CA→BC→CB

UsingtheABsettingasanexample,turntheVoltagecontrolknobuntilA‐bappearsonthe

voltmeterdisplayandthenturntheCurrentcontrolknobtosettodesiredtransittimeΔt(5

secondsforexample).



6.1.3GeneratingRamp‐UporRamp‐DownDCoutputcycles

Rampupgeneratorexample:SetA=5V;B=10V;Δta‐b=5seconds

1. ConnectasuitableloadtotheoutputandturnONtheoutputbypressingthe“OUTPUT

ON/OFF”button;notetheoutputLEDindicator.

2. Push“Preset1”andnotetheoutputvoltageof5V.Press“Preset2”andnotethatthe

outputvoltagerisesto10Vin5secondsshowingarampupvoltage(theoutputwill

remainat10V).

3. Pressing“Preset1”willnowgeneratearampdownvoltagefrom10Vto5Vin5seconds

andwillremainatthe5Vlevel.



Note:Thefinaloutputvoltagelevelwillbethelastvoltagelevelgenerated.



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