FLIR DCP42 User manual

Category
Power supply units
Type
User manual

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USERGUIDE
ModelDCP42
160WLaboratoryGradeConstantPower,
SwitchingModePowerSupply

DCP42enGB_V1.512/14
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TableofContents
1. INTRODUCTIONANDFEATURES 4
2. SAFETY 5
3. POWERSUPPLYDESCRIPTION 6
4. CONTROLMODES 7
4.1NormalMode 7
4.2PresetMode 7
4.3SetMode 7
4.3.1SettingtheΔV/Δtvalue 7
4.3.2ActivatingtheRemoteControlMode 8
4.3.3DeactivatingtheRemoteControlMode 8
4.3.4FactoryDefaultReset 8
5. OPERATION 9
5.1PoweringtheSupply 9
5.2SwitchingthePowerSupplyONandSelfTestInformation 9
5.3UsingtheControlknobs 9
5.4ConnectingthePowerSupplyandrunningaTest 9
5.5KeypadLockoutfunction 9
5.6ManualOutputON/OFF 9
5.7Ammeter/WattmeterSelection 9
6.
SUPPLEMENTALFUNCTIONS 10
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6.1ΔV/ΔtFunction 10
6.1.2SettingtheDCgeneratorvoltagelevel 10
6.1.2SettingtheΔt 10
6.1.3GeneratingRampUporRampDownDCoutputcycles 10
6.2FunctionA/B/CWaveformGenerator 11
6.2.1SetFUNC(A/B/C): 11
6.2.2GeneratingWaveForm 11
6.3UpperVoltageandCurrentLimits 12
6.4RemoteSensing 12
6.4.1Connection 12
6.4.2Disconnection 12
6.5RemoteControlOperation 13
6.5.1REMOTECONTROLMETHOD1:UsingtwoexternalDCvoltagesources 13
6.5.2REMOTECONTROLMETHOD2:Usingtwo0to5KOhmvariableresistors13
6.5.3RemoteControlOutputON/OFF 14
7. PCSOFTWAREPROGRAM 14
8. AUTOMATICOUTPUTSTEPPROGRAMS 14
8.1ExternalTimedProgramWindow 15
8.2OutputON/OFFfunction 15
8.3AutomaticTimedOutputOperation 15
9. APPENDIXADDITIONALOPERATIONALEXAMPLES 16
10. SPECIFICATIONS 17
11. TROUBLESHOOTING 19
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1. IntroductionandFeatures
ThankyouforselectingtheExtechDCP42SwitchingModePowerSupply.Thisnewlyredesigned
laboratorygradepowersupplydiffersfromaconventionalpowersupplyinthatitcancalculate
andchangethevoltageandcurrentlimitpointsaccordingtotheavailablemaximumpower.
Thereforethemaximumlimitsofthevoltageandcurrentarechangeableaccordingtotherated
power.Aconventionalpowersupplyhasonlyasetmaximumvoltageandcurrentsuchthatallof
theoperatingV&Amustfallwithintheselimits.TheDCP42offerscostsavingandspacesaving
advantagesasoneconstantpowerpowersupply
candotheworkofseveralconventionalpower
supplies.
TheDCP42ishighlyefficient,incorporatesupgradedSMPScircuitrywithsmallformfactor,benefits
fromanautomaticcrossoverforCCandCV,hasthree(3)Voltage/Currentpresets,andcanbe
remotecontrolled.TheDCP42isperfectforsolvingavarietyofloadingconditionsandapplications.
Featuresincludethefollowing:
Dualaction(Course/Fine)tuningprovidessmooth,accurate,andquicksettingof
Voltage/Current
Setting,changing,andverifyingthecurrentlimitlevelisconvenientandcanbe
performedwithoutoutputpolespiking
TheRemoteControlfeaturepermitsoutputON/OFFandVoltage/Current
adjustments
withouttheneedtotouchthefrontpanelofthepowersupply
TheUSBportoffersPCconnectivityforprogrammingandrunningramp/soakcycleswith
20programmablesetsofVoltage/Currentandvaryingtestdurations(upto999cycles)
TheDCrampandwaveformgeneratorcaneitherbe
panelsetorsetbythesupplied
softwarewhichpreviewsthefinalwaveform.
ApplicationsandindustrieswheretheDCP42canbeemployedincludelaboratory,
telecommunications,production testing,fieldtesting,DCnetworkpowering,andmore
Three(3)userprogrammableVoltage/Currentsettingsofferquickrecalloffrequently
usedtestsettings.
Thisdeviceisshippedfullytestedandcalibratedand,withproperuse,willprovideyearsofreliable
service.Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionofthisUser
Guide,ProductUpdates,andCustomerSupport.
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2. Safety
Thismanualcontainsimportantsafetyandoperationinstructionsforcorrectuseofthepower
supply.Readthroughthemanualandpayspecialattentiontothemarkingsandlabelsofthisunit
andequipmenttobeconnected.
Payspecialattentiontothesetwotypesofnoticesusedinthismanual:
WARNING:
Failuretoobservethiswarningmaycauseinjurytopersonsanddamagetopower
supplyorconnectedequipment.
CAUTION:Failuretoobservethiswarningmayresultindamagetoequipmentand
improperfunctioningofthepowersupply.
WARNING
Donotusethispowersupplynearwater
Donotoperateortouchthispowersupplywithwethands
Donotopenthecasingofthepowersupplywhenitisconnectedtoacmains
Referallservicingtoqualifiedservicepersonnelonly
BeforereplacingtheACfuse,determinethecauseandclearupthecausefirst
ReplacetheACfusewiththesametypeandratingastheoriginalfuse
ThemaximumoutputvoltageoftheDCP42exceeds60VDC,avoidtouchingthemetal
contactpartsattheoutputterminals
CAUTION
Useagrounded3pinACsource
Thisunitisintendedfor
indooruseonly
Donotoperateorplacethisunit inahumid,dustylocat ion
Donotoperatethisunitin directsunlightornearanyheatsource
BeforepluggingintolocalACmains,checktheratinglabelatthebackoftheunit
Donotblock
anyventilationopeningsoftheunit
Thisunitmustbeusedwithinthespecifiedrating;regularexcessivecontinuousloadingmay
causedamagetothepowersupply
Thegaugesizeoftheinputpowercablemustbeatleast0.75mm
2
andthetotallengthof
powercablemustnotexceed3m
InputFuseRecommended:T3AL250V(3ATimeLag)
ENVIRONMENTALCONDITIONSFOROPERATION
1080%R.H.(RelativeHumidity)
Altitudeupto2000m(6561ft.)
Installationcategory:CAT2
Pollutiondegree:2
Mainssupplyvoltagefluctuation
upto±10%ofnormalvoltage
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3. PowerSupplyDescription
(1)LEDpanelmeterdisplaywithCC/CV/WIndictor
(2)RemoteControlIndicator(RemoteControl/USBmode)
(3)OutputVoltageControlKnob
(4)OutputCurrentControlKnob
(5)PowerON/OFFSwitch
(6)6buttonKeypad(withillumination):
‐PresetKeyd1,2&3
‐MenuKey(ShiftKey)
‐Lock/Unlock
Key(A/WmeterKey)
‐OutputON/OFF(ΔV/ΔtKey)
(7)OutputSafetyJacks(Rated10A)
(8)USBRemoteControlport(Foraccesstocomputertoruncyclicaloperationwithprogrammable
voltage,current,periodtimeandcycle)
(9)RemoteSensingTerminal
Warning!Shortingtheremotesensingterminalorconnectingthe
sensingterminalwiththe
polarityreversedwilldamagethepowersupply
(10)RemoteControlTerminal
(11)ACInletsocket(withfuseholder)
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4. ControlModes
Therearefourcontrolmodesforthepowersupply:NORMAL,PRESET,SET,andREMOTECONTROL
modes.ThepowersupplyisfactorypresettoNormalModewithmaximumcurrentlevelCC.
4.1NormalMode
Thisisthefactorydefaultmode;thepowersupplyoutputVoltageandCurrentarecontrolledby
thedualactiongainknobs.
1. Pushtheknobstotogglethecoarseandfinetuning,noticethesubtlechangesin
brightnessoftherelatedLED.
2. Adjusttheknobstothedesiredvaluesusingcoarseandthenfinetuning.
3. Tocheckthepresetcurrentlevel,turntheCurrentKnoblightlyinanydirection.
4. Thedisplaywillresumeitsnormalbrightnessafterafewsecondstoreaffirmthe
adjustment.
4.2PresetMode
1. TherearethreepresetoutputsP1/P2/P3available.
2. PressthePresetbutton(1,2,or3)toenterthepresetmode(thebutton’slightwill
switchON).
3. Thepresetvaluesarefactorysetasshowninthetablebelowandareretainedevenafter
theunithas
beenpowereddown.
4. Theusercanchangetheseoutputsettingsusingthevoltageandcurrentknobs.
RecallNo. OutputVoltage OutputCurrent
P1 5V Maximum
P2 13.8V Maximum
P3 40VMaximum
4.3SetMode
EntertheSetModebypushingandholdingtheMENUbuttonfor3seconds.IntheSetModethe
usercanadjusttheΔV/Δtvalue,accesstheremoteControlmode,orperformaFactoryReset
recallfunction.Note:Ifnoselectionismade after10secondsthepowersupplydefaults
toits
priorsettings.
4.3.1SettingtheΔV/Δtvalue
a.PressandholdtheMENUbuttonfor3secondstoaccesstheSetMode.
b.TurntheVoltagecontrolknobuntilthepanelmeterdisplays“dudtSet”asshownbelowand
thenpresstheVoltagecontrolknobtoenter
theΔV/Δtsettingmode.
c.AdjusttheVoltageandCurrentcontrolknobsasdesiredtosettheΔV/Δtvalue.Furtherdetails
areprovidedinthededicatedsectionforΔV/Δtmodelaterinthisguide.
d.Whenfinished,presstheVoltagecontrolknobtoconfirmandreturntoSetmenu
e.Pressthe
MenukeytoexittheSetmenu
f.TostarttheΔV/Δtfunction,presstheSHIFTbuttonandthenpresstheΔV/Δtbuttontorun,
g.TostoptheΔV/Δtfunction,presstheSHIFTbuttonandthenpresstheΔV/Δtbuttonagain.
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4.3.2ActivatingtheRemoteControlMode
a.PressandholdtheMENUbuttonfor3seconds.
b.TurntheVoltagecontrolknobuntilthepanelmeterdisplays“rCSet”asshownbelowand
thenpresstheVoltagecontrolknobtoconfirmentryintotheremotecontrolmode.
c.TurntheCurrentcontrolknobtoselectremoteYESorNO.
d.PresstheVoltagecontrolknobtoconfirmandtoreturntotheSetmenu.
e.PresstheMenubutton toexittheSetmenu.
f.DetailsoftheremotecontrolmodearelocatedinthededicateRemote
Controlsectionlaterin
thisguide.
Note:AfteractivatingtheRemoteControlMode,allfunctionkeyslocatedonthefrontpanelwill
belocked(theLock/UnlockbuttonlightswitchesON).
4.3.3DeactivatingtheRemoteControlMode
a. PresstheLock/Unlockbuttontounlockallofthefunctionkeys
b. Repeat
stepsatocinthe‘ActivatingtheRemoteControlMode’sectionaboveandset
RemoteControltoNOandthenpressthevoltagecontrolknob.
4.3.4FactoryDefaultReset
a.PressandholdtheMENUbuttonfor3seconds.
b.TurntheVoltagecontrolknobuntilthepanelmeter
displays“FACSSEt”asshownbelowand
thenpresstheVoltagecontrolknobtoconfirmentryintotheFactoryResetmode.
c.TurntheCurrentcontrolknobtoselectYesorNo.
d.PresstheVoltagecontrolknobtoconfirmandtoreturntotheSetmenu.
e.PresstheMenubutton toexittheSetmenu.
f.ThePowerSupplywillrebootandreverttoitsFactoryDefaultsettings.
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5. Operation
Note:TheDCP42TotalOutputVoltageRangeis42VDCandtheTotalRatedCurrentis0to10ADC
5.1PoweringtheSupply
ChecktheratinglabelofthepowersupplyandensurethatitcomplieswiththeACmainsvoltage
thatistobeused.ConnectthepowersupplytotheACMainsusingtheprovidedpowercord.
5.2SwitchingthePowerSupplyONandSelfTestInformation
ThepowersupplywillperformaseriesofselftestswhenitisswitchedON.TheLEDandother
indicatorsonthefrontpanelwillilluminateinsequence.Whenthecoolingfanisbeingchecked,
ahighspeedwindsoundcanbeheard.Aftertheselftests,theCV,V
andALEDindicatorsarelit
andtheunitdisplaysvoltageand0.0current.TofindtheCCcurrentlevel,turnthecurrent
controlknoboneclickineitherdirection.Thecurrentdisplayreturnsto0.0afterafewseconds.
5.3UsingtheControlknobs
Therotaryencodercontrolknobshavefineandcoarsetuningwith‘clicking’movement.Push
theknobstotogglebetweencoarseandfinetuning,noticethesubtlechangesinbrightnessof
therelatedLED.Adjusttheknobstothedesiredvaluesbyusingcoarseandthenfinetuning.
Thedisplaywillresumeitsnormalbrightnessafterfewsecondstoconfirmanadjustment.
5.4ConnectingthePowerSupplyandrunningaTest
1. Connecttheequipmentundertesttothepowersupply.Red(+)isconnectedtothepositive
polarityinputoftheequipmentandBlack()isconnectedtothenegativepolarityinputof
theequipment.
2. SwitchONthepowersupplyfirst;thepanelmeter&greenCVIndicatorshouldilluminate.
3. Next,switchONtheequipmentundertest;thepanelmeter&greenCVIndicatorshould
remainlitingreen.
4. Testingcannowbegin.
5. Whenfinished,switchOFFtheequipmentundertestfirstandthenswitchoffthepower
supply.
5.5KeypadLockoutfunction
1. PressLOCK/UNLOCKtolockorunlockallofthefunctionbuttonsandcontrolknob sonthe
frontpanel.
2. TheLOCK/UNLOCKbuttonlightswitchesONwhenthepushbuttonsarelocked.
5.6ManualOutputON/OFF
1. PressOUTPUTON/OFFbuttontomanuallysettheoutputONorOFF. 
2. TheOUTPUTON/OFFbuttonlightswitchesONwhentheoutputisON.
5.7Ammeter/WattmeterSelection
1. WiththeoutputONandallpresetsOFF,pressSHIFTandthenpressPRESET.
2. PresstheSHIFTbuttonagainandthenpresstheLOCK/UNLOCKbuttontochangefrom
AmmetermodetoWattmetermode.
3. Tochang e backtoAmmetermodefromWattmetermode,presstheSHIFTbuttonandthen
presstheLOCK/UNLOCKbutton.
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6. SupplementalFunctions
6.1ΔV/ΔtFunction
Thereare3DCvoltagegeneratorsettings(A,B,andC).
Preset1=A
Preset2=B
Preset3=C
ΔVab(fromvoltagelevelAtovoltagelevelB).
Δtab(timeinsecondsfromvoltagelevelAtolevelB,thistransittime
isadjustablefrom0to20
seconds)
6.1.2SettingtheDCgeneratorvoltagelevel
Thereare3generatorvoltagelevelspresets(A,B,andC).
PressthePresetbutton1,2and3andadjustthevoltagetothedesiredvalue.
6.1.2SettingtheΔt
Thereare6setsof
Δtavailable,turningtheVoltagecontrolknobcyclesthrough thefollowing
sequence:AB→BA→AC→CA→BC→CB
UsingtheABsettingasanexample,turntheVoltagecontrolknobuntilAbappearsonthe
voltmeterdisplayandthenturntheCurrentcontrolknobtosettodesiredtransittimeΔt(5
secondsforexample).
6.1.3GeneratingRampUporRampDownDCoutputcycles
Rampupgeneratorexample:SetA=5V;B=10V;Δtab=5seconds
1. ConnectasuitableloadtotheoutputandturnONtheoutputbypressing
the“OUTPUT
ON/OFF”button;notetheoutputLEDindicator.
2. Push“Preset1”andnotetheoutputvoltageof5V.Press“Preset2”andnotethatthe
outputvoltagerisesto10Vin5secondsshowingarampupvoltage(theoutputwill
remainat10V).
3. Pressing“Preset1”
willnowgeneratearampdownvoltagefrom10Vto5Vin5seconds
andwillremainatthe5Vlevel.
Note:Thefinaloutputvoltagelevelwillbethelastvoltagelevelgenerated.
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6.2FunctionA/B/CWaveformGenerator
Preset1=A
Preset2=B
Preset3=C
FUNC(A/B/C)setstheduration(from0to600seconds)thatthevoltagegeneratorremainsON
atthespecifiedoutputvoltagelevelbeforemovingtoanothervoltagelevel.
6.2.1SetFUNC(A/B/C):
1. EntertheΔV/Δtsettingfirst(RefertotheSetModesection4.3.)
2. Turnthe VoltagecontrolknobtoselectthedesiredfunctionandthenturntheCurrent
controlknobtosetthetimeperiod(0to600seconds)forthechosenvoltagelevel.
3.
PressingtheCurrentcontrolknobtogglescoarseandfinetuningofthetimeperiod.
4. Togeneratewaveforms,theFuncA/B/CbuttonisusedinconjunctionwithΔV/Δtbutton(the
timeperiodfromonevoltageleveltoanothervoltagelevel)
5. Usingtheabovefunctionssimultaneously,3reversiblepairs(AB&BA,BC&CB,AC&CA)can
beusedtogeneratewaveforms.
Example1:Pulsewaveformwith3secat10Vand1secat5V.
SetA(Preset1)=5V,setB(Preset2)=10V
SetFuncA=1secondbyturningtheCurrentcontrol
knob
FuncB=3secondsusingthesameprocedureasabove
SetΔtab=0,SetΔtba=0
6.2.2GeneratingWaveForm
TogeneratethewaveformpushSHIFTandthenpresstheΔV/Δtbutton
ThewaveformwillrepeatcyclicallyuntiltheSHIFTbuttonandthentheΔV/Δtbuttonispressed.
Example2:Trianglewaveform
SetA=5V,B=10V
SetΔtab=3seconds,SetΔtba=3seconds
SetFunc.A=3seconds,SetFunc.B=3seconds
Note:Thewaveformgeneratorcanbeoperatedviatheremoteprogrammingsoftware(with
waveformpreviewandgraphicaldataloggingoutputpresentationfeatures).Detailsareprovided
inthesection4titled‘PCSoftwareProgram’.
PleaseverifythatthePresetkeysarebothlitandthatoneisflashing.Theflashinglightwill
jump
fromonetotheother,AtoB,thenBtoA.ThewaveformwillrepeatcyclicallyuntilSHIFTand
thenΔV/Δtarepressedagain.Examples3,4,and5areprovidedinAppendixAlaterinthis
guide.
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6.3UpperVoltageandCurrentLimits
Whenthevoltageorcurrentattheoutputterminalexceedsthemaximumallowablelimits,the
outputwillautomaticallyswitchOFF.Thisadditionalprotectionfeatureisnecessaryforapower
supplywithsuchawiderangeofvoltageandcurrentcapabilities.
TosettheUVL:
1. TosettheUVL:PresstheSHIFTbuttonandthenpresstheVoltagecontrolknob.The
voltmeterwillshowthecurrentlimitsettingandtheAmmeterwillshowSuul.
2. Turnthe Voltagecontrolknobtothedesiredlimitvalue.PressSHIFTtoconfirmandto
returntonormaloperation.
3. TosettheUCL,pressSHIFTandthenpresstheCurrentcontrolknob.TheAmmeterwill
showthecurrentlimitsettingandtheVoltmeterwillshowSUCL.
4. Turnthe Currentcontrolknobtothedesiredlimitvalue.PressSHIFTtoconfirmandto
returntonormaloperation.
Note:
TheUVLandUCLsettingsdefaulttothemaximumoutputvalue.
6.4RemoteSensing
Note:ObservewarningsdisplayedbythePowerSupply,anincorrectdisconnectionsequence
willdamagethePowerSupply
Warnings:NevershorttheRemoteSensingTerminaland alwaysdisconnecttheRemoteSensing
Terminalfirst.
6.4.1Connection
1.Firstcompletethepowerconnectionsbetweenpowersupplyandequipment.
2.Checkandensurethatthe
powerconnectionsaresecure.
3.MakeconnectionsbetweenRemoteSensingandequipment.
Warning!:NevershorttheRemoteSensingTerminaland neverconnecttheRemoteSensing
Terminalinreversepolarity
ThediagrambelowshowstheconnectionsforRemoteSensing,Poweroutput,andEquipment.
TheremotesensingwireshouldbeATLEAST
22AWGwiresize.
6.4.2Disconnection
Warning!Incorrectdisconnectsequenceswilldamagethepowersupply
1.Firstdisconnecttheremotesensingconnections.
2.Thendisconnectthepowerconnectionsbetweenthepowersupplyandequipment.
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6.5RemoteControlOperation
Therearetwomethodsforremotelycontrollingcurrentandvoltageadjustments.Currentmust
becontrolledforbothmethodsotherwisetheunitwilldefaulttoCCmode.
6.5.1REMOTECONTROLMETHOD1:UsingtwoexternalDCvoltagesources
RemoteSocketPinAssignmentforexternalvariablevoltagesource
PIN FUNCTIONS REMARKS
1 InternalDC+5V Lowerthan50mA
2 Voltageadjust 0to5V
3 Currentadjust 0to5V
4 Ground
5 OutputOFF Shorttoground
6 N.A.
7 N.A.
8 N.A.
Checktheoutputvoltagerangeofthepowersupplybyvaryingtheexternalvoltagesource.
Shortcircuitthemainoutputwith14AWGwiretochecktheCCsettingonthe displaywhile
varyingtheexternalvoltagesource.
6.5.2REMOTECONTROLMETHOD2:Usingtwo0to5KOhm
variableresistors
RemoteSocketPinAssignmentforexternalvariableresistor
PIN FUNCTIONS REMARKS
1 InternalDC+5V Oneendofresistor
2 Voltageadjust Variablelegofresistor
3 Currentadjust Variablelegofresistor
4 Ground Otherendofresistor
5 OutputOFF Shorttoground
6 N.A.
7 N.A.
8 N.A.
Checktheoutputvoltagerangeofthepowersupplybyadjustingthe5Kohmvariableresistor.
Shortcircuitthemainoutputwith14AWGwiretochecktheCCsettingonthe displaywhile
adjustingthevariableresistor.
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6.5.3RemoteControlOutputON/OFF
RemoteoutputON/OFFcontrolcanbeactivatedinanyofthemodesNormal,Preset,Set,and
Remote.Reviewtheconditionsbelow:
Bydefault,Pin5isopenandtheoutputisON.
ShortingPin5toPin4(ground)switchestheoutputOFF.
WhentheoutputisOFF,theC.V.&C.C.LEDswillflash. Thepresentoutputvoltageand
currentsettingwillbeshownonthepanelmeter.
Theusercanadjusttheoutputusingthevoltage&currentcontrolknobtothedesired
valuewhentheoutputisOFF.
Remark:Useonlythe8pinremoteplugprovidedandconnectwith22AWGwires.See
diagrambelow.
Note: Pin numbers are marked on the black area of the socket
7. PCSoftwareProgram
ThismeterhasthecapabilitytoconnecttoandcommunicatewithaPC.Toinstallandusethe
software,pleaserefertotheinstructionsprovidedonthesuppliedCDROMand/ortheinstructions
providedintheHELPUtilitywithinthesoftwareprogram.
Checkthesoftwaredownloadpageofthewebsitewww.extech.comforthelatestversionofthePC
softwareanditsoperatingsystemcompatibility.
8. AutomaticOutputStepPrograms
TousetheAutomaticOutputSteputilitytheusermustfirstbecomefamiliarwiththePC
interfaceandthesuppliedsoftware.Toinstallandusethesoftware,pleaserefertothe
instructionsprovidedonthesuppliedCDROMand/ortheinstructionsprovidedintheHELP
Utilitywithinthesoftwareprogram.Oncefamiliaritywiththesoftwareisachievedrefertothe
instructionsbelow:
TheunitcanbeexternallyprogrammedviaaPCtorun20steps,eachstepwithapreset
voltage/currentlimitingvalueandapresettimeperiodof1secondto99minutes.Thetimed
programcanbesetto
runonecycleoruptoaninfinitenumberofcycles.
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8.1ExternalTimedProgramWindow
ClearTable:DeletealldataintheDisplayTableandpreparefornewdataentry.
Run(Stop):TorunandstoptheTimedProgram.
RunningCycle:Enterthenumberofdesiredrunningcycleshere.
Thenumericalrangeforcyclingis0999.Notethatthemaximumcyclescanbe setto‘infinite’
when0”cyclesisentered.TheExternalTimedProgramallowstheusertosettheoutputeither
ONorOFFbyselectingtheboxesinthelastcolumn.
8.2OutputON/OFFfunction
OutputONTicked:OutputisONforthatstep
OutputONUnticked:OutputisOFFforthatstep.
8.3AutomaticTimedOutputOperation
1.Clearolddatainthetablebyclicking[ClearTable].
2.Enterdatainthetableusing'UpDownLeftRight'keysonPCkeyboardfornewlocations.
3.Datathatexceedtheratedvoltageandcurrentwillnotbeaccepted.
4.VoltagesthatexceedtheUVL(UpperVoltageLimit)
willnotbeaccepted.
5.Ifretrievedorentered,datathatexceedthepresetUpperorLowerLimitsettingforvoltage/
current/timeperiodswillswitchtoredincolorandwillnotbeaccepted.
6.Whentherunningtimeperiodofanystepissettozero
minutesandzeroseconds,thisstep
becomestheterminatingstepandthecyclewillendatthisstep.Intheaboveexamplethereare
4stepseachwitha2secondtimeperiod,ifstep3issettozerominutes&seconds,theprogram
willonlycyclestep1and
2andwillnotgotostep4.
7.Enterthenumberofdesiredrunningcycles.
8.Click[Run]toruntheExternalTimeProgram.TheExternalTimedProgramfeatureallowsthe
usertosettheoutputeitherONorOFFbyselectingtheboxesinthelastcolumn.
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9. AppendixAdditionalOperationalExamples
ExamplesofFuncA/B/CandWaveFormGeneratorFeatures
TheseexamplesarecontinuedfromExamples1and2inSection6.2earlierinthisguide.
Example3‐Irregularwaveform
SetA=5V,B=10V
SetΔtab=1second,SetΔtba=2seconds
Set
Func.A=3seconds,SetFunc.B=3seconds
Example4‐Irregularwaveform
SetA=5V,B=10V
SetΔtab=2second,SetΔtba=2seconds
SetFunc.A=2seconds,SetFunc.B=6seconds
Example5‐Irregularwaveform
SetA=5V,B=10V
SetΔtab=2second,SetΔtba=0seconds
SetFunc.A=4seconds,SetFunc.B=3seconds
Example6‐Irregularwaveform
SetA=5V,B=10V
SetΔtab=4second,SetΔtba=4seconds
SetFunc.A=2seconds,SetFunc.B=2seconds
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10. Specifications
Output
VariableOutputVoltage(LimitedtoO/P160W)0‐42VDC
VariableOutputCurrent(LimitedtoO/P160W)0‐10A
NominalOutputPower(42V/3.8A)160W
PresetOutputs
Preset1(P1)Voltage:5V±0.2V,Current:10A±0.2A
Preset2(P2)Voltage:13.8V±0.2V,Current:10A±0.2A
Preset3(P3)Voltage:
20V±0.2V,Current:4.0A±0.2A
VoltageRegulation
Load(0100%RatedCurrent)≤50mV
Line(90264VACVariation)≤10mV
CurrentRegulation
Load(1090%RatedVoltage)≤50mA
Line(90264VACVariation)≤10mA
Ripple&Noise
Ripple&Noise(RMS)Voltage≤8mVrms
Ripple&Noise(peakpeak)Voltage≤80mVpp
CurrentRipple&
Noise(peakpeak)≤50mA
MeterType&Accuracy
VoltageMeter4DigitLEDDisplay±(0.1%+5counts)
CurrentMeter4DigitLEDDisplay±(0.1%+5counts)
Resolution
OutputVoltageResolution0.02V
OutputCurrentResolution0.01A
SettingAccuracy
OutputVoltage±(0.2%+0.05)
OutputCurrent±(0.2%+0.05)
OutputRise&FallTime
OutputTON(50%LoadCurrent)≤80ms
OutputTON(100%LoadCurrent)≤1200ms
OutputTOFF(50%LoadCurrent)≤90ms
OutputTOFF(100%LoadCurrent)≤50ms
Power
OperationInputVoltageRange90–264VAC
OperationInputVoltageFrequencyRange4565Hz~
NoLoadInputCurrent
(230Vac/100Vac):≤220mA
Full
LoadInputCurrent
(230Vac/100Vac):≤1.0A/2.3A
PowerConsumption
(230Vac/100Vac):≤190W/200W@42V/3.8A
Efficiency
(230Vac/100Vac):≥86%/84%@42V/3.8A
DCP42enGB_V1.512/14
18
SwitchingFrequency
4555KHz~
TrackingOverVoltageProtections
O/P010V:SetVoltage+(1.0±0.3V)
O/P1042V:105125%ofsetvoltage
PowerFactor
ControlPowerfactorcorrection:>0.91atoptimalload
CoolingMethod
NaturalConvection
LeakageCurrent
2mA
Protections
Adjustableuppervoltagelimit,Adjustableuppercurrentlimit,
ShortCircuit,Overload,
OverTemperature,TrackingOVP
InputFuse
T3.15AL250V
Safety&EMC
SafetyStandardCE:EN61010
WithstandingVoltageI/PO/P:3.0KVac,I/PF/G:1.5KVac,O/PF/G:0.5KVac
InsulationResistanceI/PO/P,I/PF/G,O/PF/G:100Mohm@500Vdc
EMCCE:EN55011
HarmonicsCurrentEmissionEN6100032
VoltageFluctuations&FlickerEN6100033
EMCImmunityEN6100061
Environmental
WorkingTemperature0to+40°C(32to+104°F)
WorkingHumidity1080%RHNoncondensing
StorageTemperatureandHumidity‐15to+70°C(5to158°F)1085%RHNoncondensing
PollutionDegreeClass2
General
CaseMaterialPolycarbonateFrontPanelandElectroGalvanizedSteelEnclosure
CaseProtectionIP20
ConnectionDia.4.0mmSafetyJackx3(OutputPositive,NegativeandFunctionGround)
Dimensions(WxHxD)200x90x250mm(7.9x3.6x10inch)
Weight2.5kg(5.5lb)
DCP42enGB_V1.512/14
19
11. Troubleshooting
OUP:OverVoltageProtection
Thisunithasabuiltintrackingovervoltageprotectionfeature.Intheeventofoutputvoltage
becominggreaterthanthesetvalue(seespecifiedrangefromspecificationstable),protection
willbetriggeredandtheoutputpowerwillbecutoffandOUPwarningappearsasbelow.
Toresetthewarning,switchofftheunitandremoveallloading.
Switchtheunitbackonagainanditshould resumenormaloperation.
Ifthisproblempersists,pleasecontactthecustomercaredepartmentorthepointofpurchase.
OTP:OverTemperatureProtection
Thereisathermosensorinsidetheunittomonitorandpreventtheunitfromundulyheating
internally.WhenanOTPerroroccurs,thereisnooutputandthefollowingwarningwillappear
ontheLEDdisplay.
Whenthiswarningappears,switchofftheunitandremoveallloading.
Checktheloadandoutputsetting.Allowtheunittocoolforatleast30minutes.
Checktoseeifanyventilationholesareblocked,alsocheckthatthereissufficientclearance
aroundthepowersupply.
Listencarefullyfortheshortwindsoundemanatingfromthecoolingfanwhentheunitis
switchedONagain.Ifthewindsoundisnotdetected,thefanmaybefaulty;donotusethe
powersupplyinthiscase,contactthecustomercaredepartmentortheagentfromthepointof
purchase.
OCP:OverCurrentProtection
NormallytheoverloadprotectionissustainedbytheCCconstantcurrentmode.WhentheCC
modefailsandgoesundetected,seriousdamagetothetestpieceorloadmayoccur.TheOCPis
usedtominimizetheextentofdamagetotheloadsintheeventofpowersupplyfailure.
Switchoffthepowersupplyassoonasthiswarningisseen(asshownbelow).
Toresetthiswarning,removeallloadingandpresstheOUTPUTON/OFFbutton.
Switchtheunitbackonagainanddoublecheckwithcaution.
Ifthisproblempersists,pleasecontactthecustomercaredepartmentorconsultwiththeagent
atthepointofpurchase.
Copyright©2014FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
www.extech.com
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FLIR DCP42 User manual

Category
Power supply units
Type
User manual
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