AEMC AX501 User manual
DC POWER SUPPLY AX501
AX502
AX503
ENGLISH User Manual
IEC 61010-1
POWER
ON
OFF
AX 501
8.8.8.
VOLTAGE
8.8.8.
CURRENT
100V
CAT I
VA
30V LIMIT
0
COARSEFINE
2.5A
0
IEC 61010-1
POWER
ON
OFF
AX 503
8.8.8. 8.8.8. 8.8.8. 8.8.8.
MASTER
TRACKING
SLAVE
100V
CAT I
100V
CAT I
100V
CAT I
AV AVV
2.5A
30V
3V
5V
2.7V 5.5V
LIMIT 5ALIMIT LIMIT
ON
0
0
COARSEFINE FINE
2.5A
30V
0
0
COARSE
www. .com information@itm.com1.800.561.8187
Statement of Compliance
Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments
certifies that this instrument has been calibrated
using standards and instruments traceable to
international standards.
We guarantee that at the time of shipping your
instrument has met its published specifications.
An NIST traceable certificate may be
requested at the time of purchase, or obtained
by returning the instrument to our repair and
calibration facility, for a nominal charge.
The recommended calibration interval for this
instrument is 12 months and begins on the date of
receipt by the customer. For recalibration, please
use our calibration services. Refer to our repair
and calibration section at www.aemc.com.
Serial #: ________________________________
Catalog #: 2130.05 / 2130.06 / 2130.07
Model #: AX501 / AX502 / AX503
Please fill in the appropriate date as indicated:
Date Received: _________________________________
Date Calibration Due: _______________________
Chauvin Arnoux®, Inc.
d.b.a AEMC®Instruments
www.aemc.com
www. .com information@itm.com1.800.561.8187
Table of Contents
1. INTRODUCTION............................................................................... 3
1.1 International Electrical Symbols................................................3
1.2 DenitionofMeasurementCategories .....................................4
1.3 ReceivingYourShipment..........................................................4
1.4 OrderingInformation.................................................................4
1.4.1 Accessories ..................................................................4
2. PRODUCT FEATURES ...................................................................... 5
2.1 Description................................................................................5
2.2 ControlFeatures .......................................................................6
2.2.1 ModelAX501 ................................................................6
2.2.2 ModelAX502 ................................................................7
2.2.3 ModelAX503 ................................................................8
2.3 ControlDescriptions .................................................................9
2.3.1 PowerOn/OffButton.....................................................9
2.3.2 VoltageandCurrentAdjustments .................................9
2.3.3 Current“LIMIT”LED .....................................................9
2.3.4 “TRACKING”Switch(ModelsAX502andAX503) ..................10
2.3.5 Setting“TRACKING”...................................................10
2.3.6 Digital“LED”displays ................................................. 11
2.3.7 OutputTerminals......................................................... 11
2.3.8 GroundTerminal .........................................................11
2.4 PowerSupply.......................................................................... 11
3. SPECIFICATIONS........................................................................... 12
3.1 SpecicationChart..................................................................12
3.2 GeneralSpecications............................................................13
3.3 SafetySpecications ..............................................................13
4. OPERATION .................................................................................. 14
4.1 BeforeUsingtheInstrument ...................................................14
4.2 OperatingInstructions.............................................................14
4.2.1 UsingIndependentOutputs ........................................15
4.2.2 Useof2OutputsinParallel(AX502andAX503)..............15
www. .com information@itm.com1.800.561.8187
4.2.3 Useof2OutputsinSeries(AX502andAX503) ...............16
4.2.4 Useofthe2.7Vto5.5V(5A)PowerSupply(AX503) ....17
5. MAINTENANCE ............................................................................. 18
5.1 Warning...................................................................................18
5.2 FuseReplacement..................................................................18
5.3 Cleaning..................................................................................18
5.4 Storage ...................................................................................18
RepairandCalibration...........................................................................19
TechnicalandSalesAssistance ............................................................19
Limited Warranty ...................................................................................20
WarrantyRepairs...................................................................................20
www. .com information@itm.com1.800.561.8187
DC Power Supply Models AX501, AX502 and AX503
3
CHAPTER 1
INTRODUCTION
WARNING
Thesesafetywarningsareprovidedtoensurethesafetyofpersonnel
andproperoperationoftheinstrument.
•Readthisusermanualcompletelyandfollowallthesafetyinformation
beforeattemptingtouseorservicethisinstrument.
•Use caution on any circuit: Potentially high voltages and currents
maybepresentandmayposeashockhazard.
•Onlyuseleadswiththeproperrating.Alwaysinspecttheinstrument
andleadpriortouse.Replaceanydefectivepartsimmediately.
•Safetyistheresponsibilityoftheoperator!
•Anydefectiveleadinsulation,insideoroutsideoftheinstrument,or
disconnectionoftheprotectiveearth/groundterminalmaymakethe
instrumentdangerous.
•The plug should only be inserted into a socket equipped with a
grounding contact. The safety connection must not be broken by
useofanextensionleadwithoutprotectiveinsulation.
•Beforeconnectingthepowersupply,makesurethedistributionnet-
workis115VAC±10%.
1.1 International Electrical Symbols
Thissymbolsigniesthattheinstrumentisprotectedbydoubleor
reinforcedinsulation.Useonlyspeciedreplacementpartswhen
servicingtheinstrument.
This symbol on the instrument indicates a WARNING and that
theoperatormustrefertotheusermanualforinstructionsbefore
operating the instrument. In this manual, the symbol preceding
instructions indicates that if the instructions are not followed,
bodilyinjury,installation/sampleandproductdamagemayresult.
Riskofelectricshock.Thevoltageatthepartsmarkedwiththis
symbolmaybedangerous.
Earth/Ground
www. .com information@itm.com1.800.561.8187
4
DC Power Supply Models AX501, AX502 and AX503
1.2 Definition of Measurement Categories
CAT I: FormeasurementsoncircuitsnotdirectlyconnectedtotheAC
supply wall outlet such as protected secondaries, signal level,
andlimitedenergycircuits.
CAT II: For measurements performed on circuits directly connected to
the electrical distribution system. Examples are measurements
onhouseholdappliancesorportabletools.
CAT III: For measurements performed in the building installation at
the distribution level such as on hardwired equipment in xed
installationandcircuitbreakers.
CAT IV: For measurements performed at the primary electrical supply
(<1000V) such as on primary overcurrent protection devices,
ripplecontrolunits,ormeters.
1.3 Receiving Your Shipment
Uponreceivingyourshipment,makesurethatthecontentsareconsistent
withthepackinglist.Notifyyourdistributorofanymissingitems.Iftheequip-
mentappearstobedamaged,leaclaimimmediatelywiththecarrierand
notifyyourdistributoratonce,givingadetaileddescriptionofanydamage.
Savethedamagedpackingcontainertosubstantiateyourclaim.
1.4 Ordering Information
DCPowerSupplyModelAX501.......................................... Cat. #2130.05
(Single output, 0 to 2.5A; 0 to 30VDC)
DCPowerSupplyModelAX502.......................................... Cat. #2130.06
(Dual output, 0 to 2.5A; 0 to 30VDC)
DCPowerSupplyModelAX503.......................................... Cat. #2130.07
(Triple output, two 0 to 2.5A; 0 to 30VDC; 5A; 2.7 to 5.5VDC)
All models
are shipped with a product warranty and registration card and user manual.
1.4.1 Accessories
LeadSet(2color-codedleads,1groundlead,
2alligatorclipsand2gripprobes)....................................... Cat. #2117.78
Setof5Fuses10A/250V,5x20mmSlowBlow ................... Cat. #2118.83
Order Accessories and Replacement Parts Directly Online
Check our Storefront at www.aemc.com/store for availability
www. .com information@itm.com1.800.561.8187
DC Power Supply Models AX501, AX502 and AX503
5
CHAPTER 2
PRODUCT FEATURES
2.1 Description
Thiscomprehensiverange oflinearpower supplieswithdigital displays
is designed to meet the requirements of educational establishments,
laboratories,productiontestsandmaintenancedepartments.
Itoffersahigh level ofoperatingsafetybyguaranteed insulation ofthe
outputs from the mains when used at an extra low safety voltage, a
comprehensiveprotectionsystemandexcellentergonomics.
The quality of the signal delivered, the precision of the display and the
robustnessofthehousingmakethemtop-levellaboratoryinstruments.
The AX501 offers:
• Singleoutput
• Simultaneousdisplayoftheoutputvoltageandcurrent
• Voltageadjustablefrom0to30Vforavariablecurrentof
0to2.5A(75W)
The AX502 offers:
• Dualoutput
• Simultaneousdisplayoftheoutputvoltageandcurrentforeach
output
• Two0to30V,0to2.5A(150Wmax)outputs;connectedinseries,
parallelorcoupled,(trackingfunction)±30V
The AX503 offers:
• Triplepowersupply
• Simultaneousdisplayoftheoutputvoltageandcurrentforeach
0-30Voutput
• Two0to30V,0to2.5A(150Wmax)outputs;connectedinseries,
parallelorcoupled,(trackingfunction)±30V
• Anadjustable2.7to5.5V,5Axedoutputforsupplyinglogiccir-
cuitsat3Vor5V
www. .com information@itm.com1.800.561.8187
6
DC Power Supply Models AX501, AX502 and AX503
2.2 Control Features
2.2.1 Model AX501
2
4
5678
1
9
10
3
Figure 1
1. Voltagedisplay(green)
2. Currentdisplay(red)
3. CurrentlimitLED
4. PowerOn/Offbutton
5. Finevoltageadjustmentpotentiometer
6. Outputterminal(+)
7. Outputterminal(-)
8. Coarsevoltageadjustmentpotentiometer
9. Currentlimitadjustmentpotentiometer
10. Groundterminal()
www. .com information@itm.com1.800.561.8187
DC Power Supply Models AX501, AX502 and AX503
7
2.2.2 Model AX502
1
7
6
8
910 11
1
3
2
2 3
4 5
612
910 11
8
Figure 2
1. Currentdisplay(red)
2. CurrentlimitLED
3. Voltagedisplay(green)
4. TrackingfunctionLED
5. TrackingOn/Offswitch
6. Currentlimitadjustmentpotentiometer
7. PowerOn/Offbutton
8. Finevoltageadjustmentpotentiometer
9. Outputterminals(+)
10. Outputterminals(-)
11. Coarsevoltageadjustmentpotentiometer
12. Groundterminal()
www. .com information@itm.com1.800.561.8187
8
DC Power Supply Models AX501, AX502 and AX503
2.2.3 Model AX503
10
9
12
1
7
6
8
9
10 11
1
3
2
2 3
4 5
6
1413
9
10 11
8
Figure 3
1. Currentdisplay(red)
2. CurrentlimitLED
3. Voltagedisplay(green)
4. TrackingfunctionLED
5. TrackingOn/Offswitch
6. Currentlimitadjustmentpotentiometer
7. PowerOn/Offbutton
8. Finevoltageadjustmentpotentiometer
9. Outputterminals(+)
10. Outputterminals(-)
11. Coarsevoltageadjustmentpotentiometer
12. Voltageadjustmentpotentiometer
13. 5AcurrentlimitLED
14. Groundterminal()
www. .com information@itm.com1.800.561.8187
DC Power Supply Models AX501, AX502 and AX503
9
2.3 Control Descriptions
2.3.1 Power On/Off Button
UsedtoturnthepowerONandOFF.
2.3.2 Voltage and Current Adjustments
• VoltageAdjustment:
- Sets the regulated voltage output by turning the large knob
(COARSE adjustment) to the right (increases output) or left
(decreasesoutput).
- Sets the regulated voltage output by turning the small knob
(FINE adjustment) to the right (increases output) or left
(decreases output). The FINE adjustment range represents
approximately10%ofthemainrange.
- Thevalueofthevoltageoutputisdisplayedinrealtimeonthe
greendisplay.
• CurrentAdjustment:
- Adjustthevalueofthecurrentlimitbyturningtheknobtothe
right(increasesoutput)orleft(decreasesoutput).
- Thecurrentvaluedisplayedisthevalueoftheoutputcurrent
onthereddisplay.
2.3.3 Current “LIMIT” LED
The AX Series Power Supplies provides the ability to limit the current
output.Whenthe“limit”isreached,thepowersupplywillswitchto“current”
regulationtoensurethecurrentoutputanddropsthevoltageregulation.
SettingaCurrentLimit:
• Shorttheoutputterminals,andadjustthecurrenttothedesired
limit(youmayneedtohavealittlevoltageforthecurrenttoow).
Thevalueofcurrentowwillbedisplayedontheappropriatedis-
play.
• Turnthevoltageoutputoffandconnecttothesample.Asthevolt-
ageisincreased,ifthecurrentreachesthesetlimit,the“LIMIT”
LEDwillturnon,andthecurrentwillnolongerincrease.
• Thecurrentlimitmaybeoverriddensimplybyincreasingthecur-
rentoutputmanually.
www. .com information@itm.com1.800.561.8187
10
DC Power Supply Models AX501, AX502 and AX503
2.3.4 “TRACKING” Switch (Models AX502 and AX503)
• “TRACKING”Mode
- Thiscontrolenablestwo“0to30V”sourcestobecontrolledin
series mode.
- Whenthe“TRACKING”buttonisswitchedtoON,itsetsupa
series connection between the “–” terminal of the MASTER
powersupplyandthe“+”terminaloftheSLAVEpowersupply.
Theexternalterminalsareusedtoconnectthepointsinthe
circuittobepowered.
- OnlythevoltagesettingsoftheMASTERmodulecausethe
voltagesoftheMASTERandSLAVEtovaryproportionally.
• “TRACKING”LED
- WhenthisLEDison,the“TRACKING”functionhasbeenacti-
vated.
2.3.5 Setting “TRACKING”
TheSLAVEtracksasa%oftheMASTERoutput.Youneedtosetthis%
beforeturningontheTracking.
Toset-uptheTracking,rstsettheMASTERvoltageoutput,thensetthe
SLAVEoutput%.Tosetthis%,simplyadjusttheSLAVEoutputvoltage.
NOTE:ThinkoftheSLAVEdisplayasa%(10.0=100%,5.0=50%,
20.0=200%).OncetheSLAVE%isset,switchingtheTrackingON
willcausetheSLAVEtotracktheMASTERattheinputted%.
Example:
WewanttheSLAVEtoTracktheMASTER@30%oftheMASTERoutput
voltage,andwewanttoTrackstarting@10.0VoutoftheMASTER.
• MakesuretheTrackingisOFF
• SettheMASTERVoltageto10.0V
• SettheSLAVEto30%(3.0V)
• TurntheTrackingswitchtoON
• TheMASTERwilldisplay10.0VandtheSLAVEwilldisplay3.0V
• AstheMASTERisincreasedordecreased,theSLAVEwilltrack
@30%
• During Tracking, the SLAVE LED displays the actual SLAVE
outputvoltage
www. .com information@itm.com1.800.561.8187
DC Power Supply Models AX501, AX502 and AX503
11
Intheprevioussetting,iftheMASTERisincreasedto20.0V,theSLAVE
willtrackanddisplay6.0V(30%of20.0V).
IfyouwanttheSLAVEtotracktheMASTER@100%,settheSLAVEto
10.0duringthesetup.
IfyouwanttheSLAVEtotracktheMASTER@200%,settheSLAVEto
20.0duringthesetup(theoutputthoughisstilllimitedto30.0V).
2.3.6 Digital “LED” displays
Aseparatedisplayallowsyoutoviewthevoltageoutput(ingreen)andthe
currentoutput(inred)simultaneouslyforeach30Voutput.
The displays are 3-digit LED indicators with a resolution of 0.1V and
10mA.
2.3.7 Output Terminals
The female two-pin “+” and “–” safety terminals (Ø 4mm) are used to
connecttheoutputstothepointsofthecircuittobepoweredbymeansof
safetyleadsonly.
2.3.8 Ground Terminal
Thisterminalis directlylinkedinternallytothegroundontheACpower
plug.
Itenablesgroundingofthecircuittobepowered,ifnecessary.
Itsmalepolarityand“green/yellow”color-codingwillpreventanyconfusion
intheconnections.
Interruptionoftheprotectivegroundconductor,insideorout-
sidethepowersupply,isprohibited.
2.4 Power Supply
The AX Series Power Supplies are factory congured at 115V ±10%;
50/60Hz.Consultthefactoryforchangingto220Vsupply.
www. .com information@itm.com1.800.561.8187
12
DC Power Supply Models AX501, AX502 and AX503
CHAPTER 3
SPECIFICATIONS
3.1 Specification Chart
MODEL AX501 AX502 AX503
VOLTAGE
Output1 0to30VDC 0to30VDC 0to30VDC
Output2 – 0to30VDC 0to30VDC
Output3(nodisplay) – – 2.7 to 5.5VDC
DisplayResolution 100mV 100mV 100mV
Accuracy ±0.5%Reading±1ct ±0.5%Reading±1ct ±0.5%Reading±1ct
Ripple ±1mVrms ±1mVrms ±1mVrms
LINE REGULATION
±10%LineVoltage ±0.03%VoltageReading±2mV
LOAD REGULATION
0to2.5A ±0.02%VoltageReading±5mV
0to5A – – ±0.2%Voltage
Reading±10mV
CURRENT
Output1 0to2.5A 0to2.5A 0to2.5A
Output2 – 0to2.5A 0to2.5A
Output3 – – 5Amax(noadjustment)
DisplayResolution 10mA 10mA 10mA
Accuracy ±0.5%Reading±1ct ±0.5%Reading±1ct ±0.5%Reading±1ct
Limit Indicator LEDOutput1 LEDOutputs1,2 LEDOutputs1,2,3
Short-circuitProtection Electroniccurrentlimitationwithvoltageshutdown
OverheatingProtection Thermalprotection
OUTPUT COUPLING
Tracking –
Output1:Master/Output2:Slave
ProportionalSlavetracking(0to100%ofMaster)
SeriesMode – 0to60VDC/0to2.5A
ParallelMode – 0to30VDC/0to5A
To avoid signicant drops in voltage during regulation verication measurements, the
contact resistances of the connections must be very low (≤1mΩ).
www. .com information@itm.com1.800.561.8187
DC Power Supply Models AX501, AX502 and AX503
13
3.2 General Specifications
Power Supply:
115VAC±10%Consultthefactoryforchangingto220VACsupply.
Display:Dualdisplay-“VOLTAGE”inGreenand“CURRENT”inRed;
7-segments;0.56"(14.2mm)digitsize.
OperatingTemperatureRange:50°to104°F(10°to40°C)
StorageTemperatureRange:-4°to158°F(-20°to+70°C)
TemperatureCoefcient:<0.1xaccuracy/°C
OperatingRelativeHumidity:<80%RHupto104°F(40°C)
Electrical Field: nil
MagneticField:<40A/m
Dimensions(withoutknobs):
10.63x8.86x4.73"(270x225x120mm)
Weight:AX501:8.8lbs(4kg)
AX502:9.9lbs(4.5kg)
AX503:13.2lbs(6kg)
3.3 Safety Specifications
IEC1010-1(NFEN61010-1+A2:1995)Class1;PollutionDegree2
Powersupplyoutputs:OvervoltageCat.100V,CATI
Max.OutputVoltage:30.5VDC in normal mode
61.0VDC in series mode
Powersupplyinputs: OvervoltageCAT300V,CATII
SupplyCurrent:115V±10%;50/60Hz
ElectromagneticCompatibility:
EN50081-11992;EN50082-21998
*Specications are subject to change without notice
www. .com information@itm.com1.800.561.8187
14
DC Power Supply Models AX501, AX502 and AX503
CHAPTER 4
OPERATION
4.1 Before Using the Instrument
• Whentherequiredvoltageandcurrentparametervaluesarenot
known,startbyusingthelowestvalues.
• Beforedisconnectingtheleadsofthecircuitundertest,makesure
thatthepowersupplyisturnedoff.Thispreventsthecreationof
breakorclosureextra-currentswhichmaymeltthefuseathigh
currents.
• Never exceed a total output of 60V peak in relation to the
ground.
• The instrument must be placed in a ventilated room. Do not
obstructtheventilationholes.
• Beforeopeningtheinstrument,disconnectitfromallsourcesof
electriccurrentandfromthemeasuringcircuits;makesurethat
youarenotchargedwithstaticelectricity,whichcouldirreparably
damagetheinstrument’sinternalcomponents.
WARNING: When the instrument is open, some of the internal
capacitorsmaybedangerous,evenoncetheinstrumenthasbeen
powereddown.
Intheeventoffaultsorabnormalconstraints,turn the instrument
OFFanddonotuseituntilithasbeenchecked.
4.2 Operating Instructions
• Checkthelabelattherearofthepowersupplytomakesurethat
theinstrumentissettotheAClinevoltagecompatiblewithyour
setting.
• ConnecttheACpowercordtothesupply.
• Noconnectionsshouldbemadebeforepoweringup.
•
StartupthepowersupplybypushingthePowerOn/OffbuttonON.
• ToturnOFFtheinstrument,unplugtheleadsandpushthePower
On/OffbuttonOFF.
www. .com information@itm.com1.800.561.8187
DC Power Supply Models AX501, AX502 and AX503
15
4.2.1 Using Independent Outputs
• ConnecttheACpowercordtothesupply.
• Makesurethatthevoltageadjustmentcontrolsandcurrentadjust-
mentcontrolsareturnedtotheleftasfarastheywillgo(minimum
voltageandcurrent).
• Makesurethatthe“TRACKING”switchisintheOFFposition.
• Ifnecessary,connecttheEarth/Groundterminaltothegroundof
thecircuittobepowered(toprovideprotection)andthePositive
andNegativeterminalstothepointsofthecircuittobepowered,
usingthetestcables.
• Checkthequalityandpolarityoftheconnectiontothesample.
• PressthePowerOn/OffbuttonON.The“LIMIT”LEDshouldbe
OFF.
• Set the voltage to be regulated by turning the voltage controls
totheright(increasingvalues).Thevoltagesetpointisthendis-
played.
• Adjustthevalueofthecurrentlimitbyturningthecurrentcontrol
totheright(increasingvalues).Thecurrentvaluedisplayedisthe
valueoftheoutputcurrent.Shorttheoutputwithaleadtoadjust
theoutputcurrent(See§2.3.3).
• During use, when the output current reaches the limit current
value,thepowersupplyautomaticallyswitchesto“current”reg-
ulation mode, the “LIMIT” LED turns ON and the voltage is no
longerregulated.
4.2.2 Use of 2 Outputs in Parallel (AX502 and AX503)
Touse2outputsinparallel(without“TRACKING”)upto5Aat30V
max(seeFig.4):
• Setthe“TRACKING”switchtotheOFFposition.
• Set the 2 power supplies (MASTER and SLAVE) to the same
outputvoltagevalue.
• Linkthe“+”terminalstogetherandthe“–”terminalstogetherusing
shortleads.
• Connectoneofthetwo“+”terminalsandoneofthetwo“–”termi-
nalstothecircuittobepowered.
www. .com information@itm.com1.800.561.8187
16
DC Power Supply Models AX501, AX502 and AX503
V max: 30V
Current max: 5.0A
ON
Sample
Figure 4
4.2.3 Use of 2 Outputs in Series (AX502 and AX503)
Touse2outputsinseries(without“TRACKING”)upto60Vat2.5A
max(seeFig.5):
• Setthe“TRACKING”switchtotheOFFposition.
• Set the 2 power supplies (MASTER and SLAVE) to the same
currentlimitationvalue.
• Usealeadtoshortthe“+”terminalofonepowersupply to the
“–” terminal of the other power supply. Use the two “+” and “–”
terminalsthatremainfreetomaketheconnectionwiththecircuit
tobepowered.
V max: 60V
Current max: 2.5A
ON
Sample
Figure 5
To use 2 outputs in series (with “TRACKING”), symmetrical ±30V
sourcesat2.5Amax(seeFig.6):
• Set the “TRACKING” switch to the ON position. This sets up a
seriesconnectionbetweenthe“–”terminaloftheMASTERpower
supplyandthe“+”terminaltotheSLAVEpowersupply.
• AdjusttheMASTERoutput(onleft),thentheSLAVE(onright).
• Adjust the current controls to dene identical current limits (by
shortingeachoutput).
• Connectuptothecircuittobepowered(externalterminalsofthe
MASTERandSLAVEpowersupplies).
www. .com information@itm.com1.800.561.8187
DC Power Supply Models AX501, AX502 and AX503
17
• SettherequiredinitialvoltageontheMASTERoutput(onlythe
voltagecontrolsoftheMASTERwillbeusedfromthispointon).
• TheSLAVEreactstotheMASTERvoltagevariationsbypropor-
tional“tracking”variationsinabsolutevalues(see§2.3.5).
NOTE: Fortheuseofsymmetricalvoltages(e.g.±15V),oneofthe
2terminals(MASTER“–”orSLAVE“+”)will be connectedtothe
circuittobepowered(“0”point).
Proportional Tracking from 0 - 30V
Current max: 2.5A
ON
SampleN
Figure 6
NOTE:IftheSLAVEsourceistakenoutsideitsoperatinglimits(volt-
ageorcurrent)bytheMASTERsource,thecorresponding“LIMIT”
LEDlightsup.
4.2.4 Use of the 2.7V to 5.5V (5A) Power Supply (AX503 Only)
• Ifnecessary,connecttheearth/groundterminaltothecircuittobe
powered.
• Connectthe“+”and“–”terminalstothepointsofthecircuittobe
poweredusingtheconnectionleads.
• Settherequiredvoltagebetween2.7Vand5.5Vusingtheadjust-
ment control.
• For“FINE” adjustment, connectthese terminalsto a multimeter
(appropriaterange).
• Iftheoutputcurrentreachesthe5Alimitcurrentvalue,the“LIMIT
5A”LEDcomeson,thepowersupplyautomatically switches to
“current”regulationmodeandthevoltageisnolongerregulated.
NOTE: Thisoutputisdesignedtopowerlogiccircuitsat3or5Vwith
consumptionupto5A.
www. .com information@itm.com1.800.561.8187
18
DC Power Supply Models AX501, AX502 and AX503
CHAPTER 5
MAINTENANCE
5.1 Warning
• Formaintenanceuseonlyspeciedfactoryreplacementparts.
• Toavoidelectricalshock,donotattempttoperformanyservicing
unlessyouarequaliedtodoso.
• Toavoidelectricalshockand/ordamage,donotgetwaterorother
foreignagentsintothecase.TurntheinstrumentOFFanddiscon-
necttheunitfromallthecircuitsbeforeopeningthecase.
5.2 Fuse Replacement
• Thefuseprotectstheprimarycoilofthepowersupplytransformer
againstlinevoltageerrors.
• Beforeopeningthepowersupplytochange the fuse, youmust
disconnecttheleadsandpowercord.
Onlyuseafuseofthefollowingtype:T6.3A/250Vfor115V
5.3 Cleaning
• Disconnecttheinstrument,thencleanitwithaclothlightlymoist-
enedwithsoapywater.
• Wipe with a clean dry cloth. Make sure it has completely dried
beforeuse.
• Donotuseabrasivesorsolvents.
5.4 Storage
• To ensure proper operation, wait for the instrument to return to
normalmeasuringconditionsifithasbeenstoredinextremeenvi-
ronmentalconditionsforalongperiodoftime.
Anabruptchangeintheambienttemperaturemayleadtoconden-
sationinsidetheinstrumentandcauseshortcircuits.
Letthepowersupplystabilizeintemperaturebeforeuse.
www. .com information@itm.com1.800.561.8187
Other manuals for AX501
2
This manual suits for next models
2
Table of contents
Other AEMC Power Supply manuals
