EZ Digital GP-4303D Bedienungsanleitung

C. VC. C

DC PO WER SU PPLY G P-4 303 D

3.00 A30.0 V

CU RR EN T FI NE VO LTAGE

PO WE R - GN D +

- GN D +

C. V

C. C

DC P OWER SU PPLY GP -43 03A

PO WE R

CU RR EN T FI NE VO LTAGE

99 Washington Street

Melrose, MA 02176

Fax 781-665-0780

TestEquipmentDepot.com

INSTRUCTIONS

Thankyouforp urch asi ngE ZD IGI TALp rod uc ts.

Thei nstrumentsp rod uc ed b yE ZD IGI TALarehi g hp rod uc tstec hnp l ogyproducts

madeunderstrictqualitycontrol.

We  g u a ra n te e  th e i r e xc e p t i o n a l  p re c i s i o n  a n d  u tm o s t r e l i a b i l i ty.

Forproperuseofthisproduct,pleasereadthismanualcarefully.

EZDigitalCo.,Ltd.

1.Tomai ntai nth eprec i si onand th erel i ab i l i tyofth ep rod uc t ,useitinthestandard

setting.

Operatingtemperature:5℃ ~40℃

Operatinghumidity:80%~50%

Storagetemperature:0℃ ~70℃

StorageHumidity:lessthan85%

2.F orq ual i tyi mp rovement, th eexteri ord esi gnand sp ec i fi c ati onsoftheproduct

canbechangedwithoutnotice.

3.Shoul d anyfurth eri nformati onb ereq ui red , p l ea secontacttheEZDIGITAL

companyorsalesoutlet.

WAR R ANTY

Wa rra n ty s e rvi c e  c o ve rs  o n e  ye a r th e  d a t e  o f  o ri g i n a l  p u rc h a s e .

Incaseoftechnicalfailureayear,repairservicewillbeprovidedbyEZDIGITAL

company.

We  c h a rg e  f o r re p a i rs  a f te r th e  o n e  ye a r wa rra n ty p e ri o d  e xp i r e s .

Wh e n  th e  f a i l u re  i s  a  re s u l t o f  us e r's  n e g l e c t ,  n a tu ra l  d i s a s te roraccident,

wec h arg e  forre p ai res re g ard l es s  o fth ewarra nty p eri od .

Formoreprofessionalrepairservice,besuretocontactusorsalesoutlet.

[1]

1. I NTROD UCTI ON

GP-4303A/D,4185A/DseriesareregulatedDCPOWERSULLPYunitswithvoltmeter

andamperemeter:GP-4303A/DcansupplytheDCpowerof0to30V/3A

GP-4185A/Dcansupply0to18V/5A.

(AmeansAnalogmeter,DmeansDigitalmeter)

The

are

rovidedwithcontinuousl

variablecoarsead

ustmentandtheout

utvolta

andwithcontinuouslyvariablecurrentadjustmentinarangeof10to100%.

Currentlimitingandoverloadprotectionfunctionsarebuiltintoprotecttheovercurrent

Thesup p l yfeaturesanl og evol tmeterand amp erem eter, enab l i ngtheusertomonitor

thesupply'soperationataglance.

LEDsforConstantcurrent(C.C)andConstantVoltage(C.V)enablesmonitoringof

operationstatus.

Mai ni np utvol tag eAC115o r230Vsel ec ta b l ea nd 50/60Hzare sup ported.

2.FE ATURE

Builtinoutputcurrentlimitcircuit(OverloadProtection)

Availabilityofseriesand/orparalleloperation

ConstantCurrentandConstantVoltage

LowRipple

RemoteControlOperation(AnalogControlOption)

BuiltinAnalogVoltagemeterandAmperemeter

[3]

3. P RE C AUTI ONS

3- 1.Li nevol tagesel ec ti on

Thi si nstrumentmustbeop erated wi thth ec orrectl i nevol tages electorswitchsetting

andthecorrectlinefuseforthelinevoltageselectedtopreventdamage.

Thei nstrumentop eratesfromei thera90Vto132Vor198Vto250Vl i ne s ourc e.

Beforelinevoltageisappliedtotheinstrument,makesurethelinevoltageselector

switchissetcorrectly.

Inthecaseofthelinevoltageselectorswitchselected,mustbeoperatedtothe

correctlinefuse.

Toc hang eth el i nevol tag esel ec ti on

1.Makes ureth ei ns trumenti sd i sconnec ted from th ep owerso urc e.

2.P ul l outth el i nevol ta gesel ectorswi tc honth ebottompanel .

SelectthearrowmarkpositionoftheswitchfromTable3-1.

Selectthearrowmarktothedesiredpositionandplugitin.

3.P ul l outth el i nefusehol d erc ontai ni ngth efuseforoverl oa dprotection.

Replacethefuseintheholderwiththecorrectfusefromtable3-1&plugitin.

AC90~110

AC108~132

AC198~242

AC207~250

Forcontinuedprotectionagainstfire,replacethelinefuseonlywithafuse

ofthespecifiedtypeandrating.

3- 2. I NSTALLATI ON &HAND LI NG P RE C AUTI ONS

Wh e n  p l a c i n g  th e  p o we r  s u p p l y i n  s e rvi c e  a t yo u r wo rk p l a c e , o b s e r vethefol l owi ng

precautionsforbestinstrumentperformanceandlongestservicelife.

1.Avoi d p l ac i ng th i si nstrumenti nanextremel yh otand col d p l ace.

Specifically,don'tleavethisinstrumentinaclosecar,exposedtosunlightin

midsummer,ornexttoaspaceheater.

Tab l e3- 1.Li nevol tag eSel ecti on&FuseR ati ngs

T1.6A

[4]

GP-4303D/A,GP-4185D/A

T3.15A

230V

115V

SelectSwitchMark FuseRatings(250V)

LineVoltage

2.D on'tuseth i si ns trumenti mmed i atel yafterb ri ng i ti nfrom  thecold.

Allowtimeforittowarmtoroomtemperature.Similarydon'tmoveitfroma

warmplacetoaverycoldplace,ascondensationmightimpairitsoperation.

3.D onotexp os eth ei nstrumenttowetord ustyenvi roments.

4.D onotp l ac el i q ui d - fi l l ed c ontai nersontopofthi si ns trum ent.

Aspi llcould seriouslydamagetheinstrument.

5.D onotusethi si nstrum entwh erei ti ssub jec tto servevi ration,orstrongblows.

6. D o no t p l a c e h ea ve ryob je c ts o n th e c a se , o r oth e rwi s e bl o c kth eventilationholes.

7.D onotusethi sp owersup p l yi nstrong m ag neti c fi el d s, suc ha snearmotors.

8. D o n oti ns ert wi re s ,  to ol s , etc . th ro ug h  th e ven ti l a ti o n h o les.

9.D onotl eaveahotsol d eri ng i ronnearth ei nstrument.

10.D onotp l ac eth i si nstrum entfaced ownonth eground , ord a m agetotheknobs

mayresuit.

11. D o n otc o nn ec t oth e rp o wer so urc e to + , - o f th e outp u t term inal.

12.Ground termi nal o fp owerc od emus tconnecttoth eground .

13.Accord i ng tooutp utp orari ty, i tsol ved p rob l em E SD and Fl oa tingvoltageusing

theconnectgroundporttoterminalofoutput.

14.Toc onnectth eground , becareful atg round p orari tyofl oa d.

15.I np utvol tageofi nstrum entmustbeeq ual toACp owervol tag e.

16.I tusetothi ckand sh ortwi reofoutp uttermi na l i np ossi b l e.

3- 3. C LE AR I NG 

1.Toc l eanstai ned c asi ng , l i g htl yrub thestai ned a reawi th asoftclothdippedina

neutraldetergent.

2. I f th e s urfa c e of th e p an el  i s d i rty,  us e th e s a me meth o d  to  clean.

Ifthepanelisheavilystained,rubtheaffectedarealightywithasoftclothsoaked

inlightneutraldetergentoralcohol.

3.Neverus eh i ghl yvol ati l em ateri al suc has b enzeneorp ai ntthinner.

[5]

4. SP E C I F I CATI ONS

Lessthan0.01%+2mVforpowersourcevoltage

changeof±10%

Morethan10㏁atDC500Vchassisandoutputterminal

Morethan50㏁atDC500VchassisandACplug.

Overloadprotectioncircuitofconstantcurrent

selfrestoringtype

[6]

0~3A 0~5A

PowerConsumption 130VA 130VA

Accessori es Shortci rcuitBar, Manual , Fuse

Powersource AC115/230V,50/60Hz

Dimension 131(W)x150(H)x273(D)

We i g h t Ap p ro x. 4. 5K g

Protectioncircuit

Ambienttemperature 5℃ ~ 40℃

OperatingHumidity 50%~80%

Insulationbetween

Compensation/

±(1%±1d i g i t ) 2. 5%F S

AmpermeteAccuracy

Vo l tm ete r Ac c ura c y

±(1%±1d i g i t ) 2.5%FS

RippleVoltage Lessthan2mVp-p

LineRegulation

LoadRegulation Lessthan0.01%+3mVforloadvariationof0to100%

GP-4185A

Outputpolarity Positive&Negative

Outputcurrent

Mo d el GP - 4303D GP - 4303A GP - 4185D

5. D E C R I P TI ON OFP ANE LF UNC TI ON

5- 1. F ro ntP an el  D es c ri p ti on

AnalogType Di gital Type

1. P OWE R SWI TC H : Th i s  swi tc h  turns o n and o ff th e p o wer.

2. CUR RE NT ME TE R :I nd i c ates th el oa d c urren t

3.VOLTAGE ME TE R:Seta noutp utvol tagewh i l erea d i ng th evol ta geindication.

4. C . C LE D      : D i s p l ayLE D  fo r overc urrent.

5. C . VLE D       :D i s p l a y LE D  fo r sta ti c s ta te c urre nt & vol tageop erati ng.

6.CURRE NTVR:The currentl i mi ti ng kno bfors etti ng and a djustingtheoutputcurrentina

rangeofmax.10~100%

7. F I NE  VR      : Th e fi ne a d jus tme nt kno b o f th e o utp ut voltage.

8. C OAR SE  VR    : Th e c o ars e ad jus tm en t kn ob  of th e o utp u t vo ltage.

9.OUTPUTTE RMI NAL(- ):Th eneg ati vesi d eofoutp uttermi na l .

10.OUTPUTTE RMI NAL(GND ):Whenth ep osi ti vep ol ari tyorneg ati vep ol ari tyi stob ec onnected to

theground,eitheranappropriateoutputterminalshouldbeconnected

totheGNDbyashortcircuitbarsuppliedasaccessory.

Wh e n  n o  b a r c o n n e c ti o n  i s  m a d e , th e  te rm i n a l  i s  u s e d  a s  th e  g ro u n dterminal

11.OUTPUTTE RMI NAL(+):Th ep osi ti ves i d eofoutp uttermi nal .

[7]

③

②②③

⑤

⑥⑥

⑧

⑧⑦

⑦

①①

④

⑪

④

⑬⑨⑩⑬⑨⑩⑪



-GND+



CURRENTFINEVOLTAGE

C.VC.C

DCPOWERSUPPLYGP-4303D

3.00 A30.0

POWER

OFF

C.C



-GND+



CURRENTFINEVOLTAGE

POWER

OFF

DCPOWERSUPPLYGP-4303A

C.VC.C

6.OPERATIONS

6-1INDEPENDENTOPERATION

(1)The(+)terminalorthe(-)terminalistobeconnectedalwaystotheGND.

Terminal(GND)withshortcircuitbarasanaccessor

shouldbeconnectedasshowni

Fig6-1.

Whenpositiveoutputpolarityisrequired.

-GND+

SHORTCIRCUITBAR

(2)ConnecttheACPowercordtothepowersourceofthespecifiedvoltage,andturnon

thepowerswitch.

(3)Tosettheloadvoltage,slowlyturnthevoltageadjustingknob(5)caorseclockwise

withnoload,whilewatchingtheamperemeter.

Theknob(5)isforcoarseadjustment,andtheknob(4)isforfineadjustment.

(4)Loadcurrentsettingisusedforlimitingthecurrentappliedtoadevicetobetestedat

aspecifiedpowerortoprotectthedevicefromtheovercurrent.

Tosetthecurrent,connectthe(+)and(-)terminalabyathickleadwire.

Slowlyturnthecurrentadjustmentknob(3),andsetthecurrentwhilewatchingthe

amperemeterindication.

Atthistime,setthevoltageadjustmentknob(5) f u l l  c o u n te r c l o c k wi s e  a n d  s e t th e 

whitemarkoftheFINEadjustmentknob(4)atmiddle.

Theminimumcurrentthatcanbesetisasfollows.

GP-4303D/A:Approx.200mA~3A GP-4185D/A:Approx.350mA~ 5A

Aftersettingalimitingcurrent,removetheshortcircuitwire.

Thensetthevoltagetoarequiredvoltagelevel.

(5)Aftercompletingtheaboveprocedure,watchthepolarityofadevicetobeapplied

andusetheinstrument.

Ifthevoltmeterindicationbecomeslessthanthessetlevelforadefectofadeviceto

betestedorforanyotherreason,theovercurrentprotectioncircuitisactivated,

resultinginswitchingintotheconstantcurrentoperationfromtheconstantvoltage

operation.

Whentheinstrumentistobeusedintheconstantvoltageoperatingcondition,setthe

currentadjustmentknobfullclockwise.

Inthiscasetheshortcircuitcurrentis3A+10%fo rth e GP - 503, 5A +10% for th e 

GP-305/505,and10A+5%fortheGP-3010.

Fig.6-1

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6-2SERIESOPERATION

(1)Byconnectingacoupleoftheunitsinseriesahighervoltagethanasingleunitis

available.Insuchacase,noterminalshouldbeappliedwithavoltagemorethan

theratingvoltageagainstthegroundpotentialbetweenaterminalandpanelchassis.

Therati ngvol tageag ai nstth eg round i s±100V.

Wi th  a  s e ri e s  o p e ra ti o n  o f  c o u p l e  o f  th e  u n i ts ,  a  d o u b l e  o f  th e  ratingvoltageofasingle

unitandcurrentofasingleunitsisavailable.

Wh e n  two  u n i t , e i th e r  G P - 4303A/D  a re  u s e d  th e  m a xi m u m  vo l ta g e  a va ilable+60Vor-60V.

Wh e n  two  u n i t , e i th e r  G P - 4185A/D  a re  u s e d  th e  m a xi m u m  vo l ta g e  a va ilable+36Vor-36V

NOTE:1.Theovercurrentprotectioniseffectiveatthesmallervalueofthetwo.

2.Seriesoperationbetweenothertypesisnotavailable.

(2)Notesonseriesoperation

WhentheseriesconnectedtwounitsofregulatedDCpowersuppliesareoverloaded,

theunitinwhichtheovercurrentprotectioncircuitactivatedfirstisappliedwiththereverse

voltagefromtheoutputoftheunit,andsotheseriescontrolelementoftheformerwillbe

damaged.

Top rotec tth i sp rob l em, c onnec ttwod i od esb etweenth eoutputte rminalsoftheunitsas

showninFig.6-2

Diodestobeusedshouldbewiwthahighvoltageeethanthemaximumratingvoltageof

asingleunit,andthevoltageratingofsiosesshouldbe2to3timesofthemaximum

vol tageoftheseri esconnecti on.

(+)

(-)

(+)

(-)

(3)Connection

-GND+ -GND+

(-) (+)

(a ) F o r th e  n e g a ti ve  g ro u n d i n g  : As  s h o wn  b y a  s o l i d  l i n e  fi g . 6- 3

(b ) F o r th e  p o s i ti ve  g ro u d i n g    : As  s h o wn  b y a  d o tte d  l i n e  f i g . 6- 3

DonotconnecttheGNDterminaltodifferentpolaritiesotherthanfig.6-3

Fig.6-2

Fig.6-3

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6-3PARALLELOPERATION

(1)Whenacurrentcapacitylargerthanasingleunitisrequired,acoupleoftheunitsmaybe

usedinaparallelconnection.

Inaparalleloperation,aunitbecomesthemainunitandotherbecomesthesub-unit.

Settingofthevoltageandcurrentshouldbemadeofthemainunit.

(2)Connection

 Maketheconnectionwhilethepoweroff.

-GND+ -GND+

(main) (sub)

Forparalleloperatio,.maketheconnectioninthesequenceofthe(+)terminalofthemainunit,(+)

terminalofthesub-unit,(-)terminalofthemainunit,and(-)terminalofthesub-unit.

ThenconnectthewiresbetweentheParallelterminal(mainunit)andtheParallelterminal(subunit)

Usethickwiresforalltheconnections.

(a)Turnthevoltageknob(5),(4)andthecurrentknob(3)ofthesubunitfullclockwise.

(b)Thevoltageandcurrentarevariablebythemainunit.

Theoutputcurrentlimitcanbeselectedwithinarangeofabout10to100%ofthe

doubleofthemaximumratingcurrent.

Inthiscase,astheloadcurrentincrease,theamperemetersofbothmainandsubunits

swing,andtheloadcurrentisindicatedasthesumofbothamperemeters.

NOTES:OthertypeofregulatedDCPowersupplycanbeconnectedforparalleloperation.

Themaximumnumberofunitsforparalleloperationislimitedto2units.

7.NOTESONENVIRONMENTALCONDITION

7-1.Avoidusingtheunitinsuchaplacewheretheambienttemperatureexceeds40℃ orunder

thedirectsumshines.

Limitthemaximumoutputcurrentwhentheunitisusedinsuchaplacewhereventilationis

interruptedoraradiationexistsotherequipments.

7-2.Usetheinstrumentwhitin10%toleranceofthespecifiedfrromthepowersource.

Fig.6-4

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Dieses Handbuch passt für folgende Modelle

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