GPD-X303S Series
Contents
1. Sets the output current Returns the output current setting Sets the output voltage Returns the output voltage setting Returns the actual output current Returns the actual output voltage Selects the operation mode Turn on or off the beep Turn on or off the output Returns the GPD X3035 status Returns the GPD X303S identification Recalls a panel setting Saves the panel setting Shows the command list Returns the instrument error messages Sets the baud rate Returns the instrument to local mode 47 GW INSTEK GPD X303S Series User Manual Command Details ISET lt X gt lt NR2 gt Description X lt NR2 gt Response time Example ISET lt X gt Description X Response time Sets the output current for the selected channel 1 CH1 2 CH2 4303S 3 CH3 4 CH4 Decimal number range 0 3 200A Minimum 10ms ISET1 2 234 Sets the CH1 output current to 2 234A Returns the output current setting 1 CH1 2 CH2 4303S 3 CH3 4 CH4 Minimum 10ms Example ISETI Returns the CH1 output current setting VSET lt X gt lt NR2 gt Description Sets the output voltage X 1 CH1 2 CH2 4303S 3 CH3 4 CH4 lt NR2 gt Decimal number range 0 32 000V Response time Example 48 Minimum 10ms VSET1 20 345 Sets the CH1 voltage to 20 345V GW INSTEK REMOTE CONTROL VSET lt X gt Description X Response time Example IOUT lt X gt Description X Response2. Over load indicator 30 RETO Cueros rue u 51 Power supply Service operation Safety instruction 6 About disassembly 6 DO WUD Or E E N 23 CONIC e 53 Socket overvieW 0 21 Status instrument 50 Specification esceeeeeees 55 Switch channels 06 26 Protective ground symbol 5 Tracking mode Rear panel overview 21 Operation theory 11 Recall settings UK power cord eee 9 Mantal Roemer eee eee eee 42 USP Mite tha Ce srein 43 PEIO aaae 51 Warning symbol 5 Remote control Wire load ccccccseeseeeees 24 59
3. lt 100mV Meter Resolution Voltage and Voltage 1mV current Current 1 mA Resolution Ammeter 3 2A full scale 4 digits 0 4 LED display 59 GW INSTEK GPD X303S Series User Manual Program Accuracy Read back Accuracy CH3 of 3303S Insulation Operation Environment Storage Environment Power Source Accessories Dimensions Weight Options USB cable 56 Voltmeter 32V full scale 5 digits 0 4 LED display Voltage 0 03 of reading 10mV Current 0 3 of reading 10mA Voltage 0 03 of reading 10mV Current 0 3 of reading 10mA Voltage 2 5V 3 3V 5 0V 5 Current 3A Line lt 3mV Load lt 5mV Ripple amp Noise S 1mVrms 5Hz 1MHz Chassis and 20MQ or above DC 500V Terminal Chassis and 30MQ or above DC 500V AC cord Indoor use Altitude lt 2000m Ambient temperature 0 40 C Relative humidity lt 80 Installation category II Pollution degree 2 Ambient temperature 10 70 C Relative humidity lt 70 AC 100V 120V 220V 230V 10 50 60Hz User manual x Test lead GTL 104A x 2 GTL 105A x 1 Europe Test lead GTL 203A x 1 GTL 204A x 2 210 W x 130 H x 265 D mm Approx 7kg GTL 246 USB 2 0 A B type GW INSTEK APPENDIX Declaration of Conformity We GOOD WILL INSTRUMENT CO LTD 1 No 7 1 Zhongxing Rd Tucheng Dist xinbei City 236 Taiwan 2 No 69 Lu San Road Suzhou City Xin Qu Jiangsu Sheng China declare that the below ment
4. Connect AC power cord Power On Power Off This chapter describes how to properly power up and configure the GPD X303S series before operation Before powering up the power cee supply select the AC input oo o0 voltage from the rear panel ma ay Oy Ge a om oo oo co Connect the AC power cord to the rear panel socket Press the Power switch to turn on the power The display shows 7 the initialization screen with the model name 3303S shown 8X followed by the last recalled pir settings POWER CH2 CH tore 33039 v 14000 cedu7o _ In le eT 1000 cue Press the Power switch again to turn off the power 23 GW INSTEK GPD X303S Series User Manual Load Cable Connection GTL 104A 1 Turn the terminal counterclockwise and loosen the screw 2 Insert the cable terminal 3 Turn the terminal clockwise and tighten the screw GTL 105A Insert the plug into the socket EE GTL 203A 204A Insert the plug into the terminal ae 0 eee Wire type When using load cables other than the attached make sure they have enough current capacity for minimizing cable loss and load line impedance Voltage drop across a wire should not excess 0 5V The following list is the wire current rating at 450A cm2 Wire size AWG Maximum current A 20 2 3 18 4 16 6 14 10 12 16 24 GW INSTEK SETUP Output On Off Panel operation Pressing th
5. TRACK lt NR1 gt Sets the output of the power supply working on independent or tracking mode BAUD lt NR1 gt Set the value of baud rate RCL lt NR1 gt Recall the setting data from the memory which previous saved SAV lt NR1 gt Saves the setting data to memory BEEP lt Boolean gt Sets the BEEP state on or off OUT lt Boolean gt Sets the output state on or off LOCAL Return to local mode IDN Returns instrument identification ERR Returns instrument error messages STATUS Returns the power supply state FAN All response time estimates are based on a baud rate of Note 115200bps Expect longer response times with a baud rate of 57600bps or 9600bps GW INSTEK FAQ FAQ Q1 I pressed the panel lock key but the output still turns on off A1 For safety reasons the output key is not affected by the panel key lock feature Q2 The CH3 overload indicator turned on is this an error A2 No it simply means that the CH3 output current reached the maximum 3 0A and the operation mode turned from CV constant voltage to CC constant current You can continue using the power supply although reducing the output load is recommended Q3 The specifications do not match the real accuracies A3 Make sure that the power supply is powered on for at least 30 minutes within 20 C 30 C Q4 The internal memory is not recording the panel setting correctly the output should be on A4 The output is always s
6. Tren n 33 Cooling fan 21 safety instruction 6 CV CC CH1 CH2 indicator 28 CH3 indicator ee 30 CH4 indicator ee 32 Operation theory 11 22 Disposal instructions 8 EN61010 Declaration of conformity57 Measurement category 6 Pollution degree 8 ENG 92621 lepienie 57 Environment 58 GPD X303S Series User Manual Operation ssim 7 Specification cceeeee 55 OTIO cea ee ey 8 Error messages remote COntrol ooo eeeeeee eee ee 46 52 Front panel Lock manual 4 26 DVT VICW siiseont saisetneadutenuare 16 Fuse RANE senpene 59 Replacement ese 54 Safety instruction 7 GPD series Block diagram 14 Dynamic load 12 List of features 13 Operation theory 14 Technology overview 10 Ground symbol z Identification information 50 Load connection 24 Local Remote control 51 Operation mode Independent eeeeee 27 Specifications 55 Tracking parallel 39 Tracking series 33 Output current setting Manual seee 28 Remote control 48 Output on off GW INSTEK INDEX PA EEN 53 Command syntax 46 jageclq ie 21 a a 25 Connection test 43 REMOTE sirang 50 Error messages s s s 46 Output voltage setting TGE OOE 43 Mintialsnnnnenduinnan 28 Save settings Remote control 48 Meat al acsesceccerserseeesoescied 41
7. are saved in memory 1 and the key LED turns on When the panel settings are modified the LED turns off Note When a setting is stored the output automatically turns off 41 GW INSTEK GPD X303S Series User Manual Recall Setup Background The front panel settings can be recalled from one of the four internal memories Contents The following list shows the setup contents e Independent tracking series tracking parallel mode e CH1 CH2 knob selection e Fine coarse editing mode e Output voltage current level The following settings are always recalled as off e Output on off e Front panel lock unlock e Buzzer on off EMORY AV Panel operation Press one of the 1 4 Memory ECRL SAV keys for example memory 1 The panel settings saved in memory 1 are recalled The key LED turns on When the panel settings are modified the LED turns off Note When a setting is recalled the output automatically turns off 42 GW INSTEK REMOTE CONTROL REMOTE CONTROL Remote Control Setup Background The GPD X3035S is capable of being remotely controlled via a USB connection Interface Ss USB slave port rear panel COM setting Set up the COM port inside the PC according to the following list e Baud rate 9600 57600 115200 e Parity bit None e Data bit 8 e Stop bit 1 e Data flow control None Functionality Run this query command via the terminal check application such as MTTTY Multi threa
8. page23 The fuse holder contains the AC AC Selector AC SELECTOR 220V 230V 120V main fuse For fuse replacement details see paged4 Selects AC voltage 100V 120V 220V 230V 21 GW INSTEK GPD X303S Series User Manual CV CC Crossover Characteristics Background The GPD 43035 GPD 3303S and GPD 33035S automatically switch between constant voltage mode CV and constant current mode CC according to load condition CV mode When the current level is smaller than the output setting the GPD X303S series operates in Constant Voltage mode The indicator on the front panel turns green C V The Voltage level is kept at the setting and the Current level fluctuates according to the load condition until it reaches the output current setting CC mode When the current level reaches the output setting the GPD X3035 series starts operating in Constant Current mode The indicator on the front panel turns red C C The Current level is kept at the setting but the Voltage level becomes lower than the setting in order to suppress the output power level from overload When the current level becomes lower than the setting the GPD X3035 series goes back to the Constant Voltage mode Diagram Vout Vmax eaeaeaaeeaeaeaeaaaaaeanaeoaooaonon Constant Voltage Constant Current lout Imax 22 GW INSTEK SETUP Setup Power Up Select AC voltage
9. produce a reduction of dielectric strength or surface resistivity e Pollution degree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence e Pollution degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected e Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In such conditions equipment is normally protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity is controlled Storage e Location Indoor OARE e Relative Humidity lt 70 e Temperature 10 C to 70 C Disposal Do not dispose this instrument as unsorted municipal waste Please use a separate collection Ds facility or contact the supplier from which this instrument was purchased Please make sure discarded electrical waste is properly recycled to reduce environmental impact GW INSTEK SAFETY INSTRUCTIONS Power cord for the United Kingdom When using the GPD 23035 GPD 33035 GPD 43035 series in the United Kingdom make sure the power cord meets the following safety instructions NOTE This lead appliance must only be wired by competent persons WARNING THIS APPLIANCE MUST BE EARTHED IMPORTANT The wires in this lead are coloured in accordance with the
10. refer to the CH1 CH2 meter and CH2 indicator Pe ee BE goer sere see e eee Ses ea eee is See Serre eeeeeee ey te et tt 0 eff 0 CEEE EE x C V C C PAR 37 GW INSTEK 38 Slave CH2 voltage level Slave CH2 current level GPD X303S Series User Manual The CH1 meter reading shows the output voltage In the above case 20 0V The CH2 meter reading shows the output current In the above case 3 000A GW INSTEK OPERATION CH1 CH2 Tracking Parallel Mode Background Tracking parallel operation doubles the current Connection capacity of the GPD X3035 series by internally connecting CH1 and CH2 in parallel and combining the output to a single channel CH1 controls the combined output GL Oak ad ah al ek RARR BEHE Output rating 0 30V 0 6A 1 Press the PARA INDEP key to activate the tracking parallel mode The key LED turns on PARA ANDEP PARA ANDEP 2 Connect the load to the CH1 terminals Note this diagram shows non European terminals 39 GW INSTEK GPD X303S Series User Manual 3 To turn on the output press the output key The key mad LED turns o
11. 2 gt decimal numbers 0 1 3 14 8 5 Terminator Each command must end with a terminal character new line code ASCII 0x0A and each query must end with a carriage return ASCII 0x0D Note Commands are not case sensitive Error Messages The following error messages might appear when the GPD X303S cannot accept the command Message contents Descriptions a Program The command length must be 15 characters mnemonic too or less long b Invalid character Invalid characters such as symbols are entered Example VOUT c Missing parameter The parameter is missing from the command Example VSET should have a number d Data out of range The entered value exceeds the specification Example VSET 33 should be lt 32V 46 GW INSTEK REMOTE CONTROL e Command not allowed f Undefined header The entered command is not allowed in the circumstance Example trying to set CH2 output while in the tracking mode The entered command does not exist or the syntax is wrong Command List e Detailed descriptions of each command start from the next page e The HELP command shows all the below commands and their meanings except for the HELP command itself ISET lt X gt lt NR2 gt ISET lt X gt VSET lt X gt lt NR2 gt VSET lt X gt IOUT lt X gt VOUT lt X gt TRACK lt NRI gt BEEP lt BOOLEAN gt OUT lt BOOLEAN gt STATUS IDNP RCL lt NR1 gt SAV lt NRI gt HELP ERR BAUD lt NRI gt LOCAL
12. Channel Ammeter Memory Keys Indicator Gt NSvEK GPD 430 3S DC Power Supply MEN RY VOLTAGE Push r REC L SAVE COARSE FINE 1 a oms FINE Voltage v O R Oe oO Jr IG Knobs a O Cy Oa E Ga h i Parallel l Keys Current Knobs Output Key a i n Lock Key Aaa CH4 Output CH2 Output GND Terminal CH1 Output Power CH4 CV CC CH2 CV CC PAR CH1 CV CC CH3 CV CC Switch Indicator Indicator Indicator Indicator Display Voltmeter Displays output voltage of each channel GPD 4303S CH1 CH3 and CH2 CH4 GPD 23035 3303S CH1 and CH2 5 digits Ammeter Displays output current of each channel GPD 4303S CH1 CH3 and CH2 CH4 GPD 2303S 3303S CH1 and CH2 4 digits 16 GW INSTEK OVERVIEW Control Panel Memory Keys prense Saves or recalls panel settings Four 1 settings 1 4 are available For save recall details see page41 CH1 CH2 CH1 GPD 2303S 2303S Selects the output channel CH1 CH2 for level ae adjustment For level setting details see page27 CH1 3 and Toms GPD 4303S
13. DC Power Supply GPD X303S Series USER MANUAL GW INSTEK PART NO 82PD 433S0Mo1 a ISO 9001 CERTIFIED MANUFACTURER GW InNSTEK This manual contains proprietary information which is protected by copyrights All rights are reserved No part of this manual may be photocopied reproduced or translated to another language without prior written consent of Good Will company The information in this manual was correct at the time of printing However Good Will continues to improve products and reserves the rights to change specification equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng Dist New Taipei City 236 Taiwan R O C GW INSTEK TABLE OF CONTENTS Table of Contents SAFETY INSTRUCTIONS ee doer cers peeeennnsseceee ecto 5 ae soe coasts erence ence teers E A ee eenanees 10 EOC CTO Ac rsa veeeoere senator 10 Series Lineup Main Features 13 Principle of Operation cccceceeeeeees 14 Front Panel Overview ccssceeeeeeeees 16 Rear Panel Overview ccccscssceseeees 21 CV CC Crossover Characteristics 22 E E E eee eee 23 POW Cl UD aara naam ceeeneeus 23 Load Cable Connection 0cceeeeees 24 Output On Off ccccsccdeetcnccticsenodtieseneidies 25 BEEP OMO ee 25 Switch between channels 00008 26 Front Panel Lock ssssssesesesesesssssseses 26 RAP ERAT ON arar nan E A E E 27 C
14. EMOTE CONTROL Return parameter GW INSTEK GPD X3303 SN xxxxxxxx Vx xx RCL lt NRI1 gt Description lt NRI gt Response time Example SAV lt NRI1 gt Description lt NRI gt Response time Example BAUD lt NRI gt Description lt NRI gt Response time Example LOCAL Description Manufacturer model name serial number firmware version Recalls a panel setting 1 4 Memory 1 to 4 Minimum 10ms RCL1 Recalls the panel setting stored in memory 1 Stores the panel setting 1 4 Memory 1 to 4 Minimum 10ms SAV1 Stores the panel setting in memory 1 Sets the baud rate to 9600bps 57600bps 115200bps 0 115200bps 1 57600bps 2 9600bps Minimum 10ms BAUDO Sets the baud rate to 115200bps Exits remote mode and sets the instrument to local mode 51 GW INSTEK GPD X303S Series User Manual Response time Minimum 10ms ERR Description Checks the error status of the instrument and returns the last error message Response time Minimum 10ms Contents See page 46 for the list of error messages HELP Description Shows the command list Response time Minimum 50ms Return ISET lt x gt lt NR2 gt Sets the value of current parameters VSET lt x gt lt NR2 gt Sets the value of voltage ISET lt x gt Return the value of current VSET lt x gt Return the value of voltage IOUT lt x gt Returns actual output current gt VOUT lt x gt Returns actual output voltage
15. H1 CH2 Independent Mode 27 CH3 Independent Mode 0 0eeees 29 CH4 Independent Mode eeeees 31 CH1 CH2 Tracking Series Mode 33 CH1 CH2 Tracking Parallel Mode 39 SAVE RECALC SETUP arsenate eee 41 AVE CU eras EEE 4 Recall Setup e datecasdadgaen inns Gtaqeriatecesacasi 42 REMOTE CONTROL aes eeceustececetereeeten este aesoanecdaceseeoew oee 43 Remote Control Setup cceceeeeeee ees 43 GW INSTEK GPD X303S Series User Manual Remote Connection Step eee 44 Command Syntax ctor eesreceeereuea 46 Error Messages os con teaunchoaeectluneniundnenses 46 GO WSS sietectex eee coerce cote enne aves 47 Command Details ooe 48 PA O EE E E AE E nine 53 APPEND prerii E EEA 54 Fuse Replacement ccscsscssceseeeees 54 Specificatioh S meserie sisian nenies 55 Declaration of Conformity 06 57 INDEX eeri nra AA E EE E A E E E E 58 GW INSTEK SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow when operating the GPD X3035 series and when keeping it in storage Read the following before any operation to insure your safety and to keep the best condition for the GPD X303 series Safety Symbols These safety symbols may appear in this manual or on the GPD X3035 series AN ARNIN Warning Identifies conditions or practices that could result in injury or loss of life AN Caution Iden
16. Selects the output CH2 4 channel CH1 3 and CH2 4 for level adjustment For level setting details see page27 Beep Keys aoa DN E Pressing and holding the CH2 e sep 2903S 3303S or the CH2 4 key 4303S enables the beeper sound For details see page25 Parallel Series Activates Tracking Parallel operation Keys or Tracking Series operation For details see page33 pag Lock Key roa Locks or unlocks the front panel keys o excluding the OUTPUT key Pressing the LOCK key will also exit remote mode if the machine is in remote mode For details see page26 Output Key Turns the output on or off GW INSTEK GPD X303S Series User Manual VOLTAGE Voltage Knobs aie Adjusts the output voltage level for COARSE FINE the selected channel Pressing the knob switches coarse and fine level setting Current Knobs CURRENT Adjusts the output current level for the selected channel Pressing the knob switches coarse and fine level setting Push COARSE FINE Power Switch Turns On or Off the main power For power up sequence see page23 18 GW INSTEK OVERVIEW Terminals Default Terminals European Terminals GND cl Accepts a grounding wire Terminal 7 CH1 CV CC ae Indicates CH1 Constant Indicator Voltage or Constant Current Ne state CH1 Output Outputs CH1 voltage and current CH2 ea Indicates CH2 Constant CV CC PAR V
17. above settings for the CH2 5 To turn on the output press the output key The key B LED turns on and the CH1 CH2 indicator shows the ae output mode CV or CC CH1 CH1 CH2 28 GW INSTEK OPERATION CH3 Independent Mode Background For the GDP 3303S the CH3 rating is fixed at Connection 2 5V 3 3V 5V 3A CH3 for the 4303S is variable 0 5V 0 3A 5 001 10V 0 1A GEL Bal Gah Ba Bal GL Gk HARR HHHH Output rating 33035 2 5V 3 3V 5V 3A fixed 4303S 0 5V 0 3A 5 001 10V 0 1A No Tracking CH3 does not have tracking series parallel mode Series Parallel Also CH3 output is not affected by CH1 and CH2 modes Panel operation 1 Connect the load to the cH3 front panel CH3 os terminal the diagram Ce shows non European 6 O terminals 29 CV CC 30 fo fi it rs rs cs Note GW INSTEK GPD X303S Series User Manual 2 3303S Select the output a Wa voltage 2 5V 3 3V 5V using the CH3 voltage selector key 4303S Press the CH1 3 key to switch to CH3 The CH3 indicator will light Use the voltage and current knobs to set the voltage and current 3 T
18. ads In the series mode the output voltage is doubled in the parallel mode the output current is doubled Constant Voltage Each output channel is completely transistorized Constant Current and well regulated and works in constant voltage CV or constant current CC mode Even at the maximum output current a fully rated continuously adjustable output voltage is provided For a big load the power supply can be used as a CV source while for a small load a CC source When in the CV mode independent or tracking mode output current overload or short circuit can be controlled via the front panel When in the CC mode independent mode only the maximum ceiling output voltage can be controlled via the front panel The power supply will automatically cross over from CV to CC operation when the output current reaches the target value The power supply will automatically cross over from CC to CV when the output voltage reaches the target value For more details about CV CC mode operation see page22 Automatic The front panel display CH1 CH2 shows the tracking mode output voltage or current When operating in the tracking mode the power supply will automatically connect to the auto tracking mode GW INSTEK Dynamic load 12 GPD X303S Series User Manual When used in audio production lines the power supply can provide a continuous or dynamic load using a jumper connector JP101 JP401 When the jumper connectors ar
19. apter describes the GPD 2303S GPD 3303S GPD 43035 series in a nutshell including its main features and front rear panel introduction After going through the overview follow the Setup chapter page23 to properly power up and set operation environment Introduction Overview The GPD X3035 regulated DC power supply series are light weight adjustable multifunctional work stations The GPD 23035 has a 2 independent adjustable voltage outputs The GPD 33035 three independent outputs two with adjustable voltage levels and one with fixed level selectable from 2 5V 3 3V and 5V The GPD 4303S has four independent voltage outputs that are all fully adjustable The GPD X3035 series can be used for logic circuits where various output voltage or current are needed and for tracking mode definition systems where plus and minus voltages with insignificant error are required GW INSTEK OVERVIEW Independent The three output modes of GPD X303S series Tracking Series independent tracking series and tracking parallel Tracking Parallel can be selected through pressing the TRACKING key on the front panel In the independent mode the output voltage and current of each channel are controlled separately The isolation degree from output terminal to chassis or from output terminal to output terminal is 500V In the tracking modes both the CH1 and CH2 outputs are automatically connected in series or parallel no need to connect output le
20. ded TTY IDN This should return the identification information Manufacturer model name serial number firmware version GW INSTEK GPD x303S SN xxxxxxxx Vx xx 43 GW INSTEK GPD X303S Series User Manual Remote Connection Step Entering the remote control mode 1 Connect the USB cable to the slave port 2 The connection will be automatically established and the front panel shows a USB YES message H2 CH1 Ua r m i a 3 The power supply front panel is automatically locked the Lock key will become activated ocx C UNLOCK UNLOCK Leaving the 1 To exit remote mode either 1 use the LOCAL remote control command from the terminal connection or 2 mode Press the LOCK key on the front panel to return to local mode or 3 disconnect the USB cable from the rear panel 2 The display shows USB NO message cH2 CH1 Ei EE a na flo 3 The LOCK will no longer be lit when remote mode is off GW INSTEK REMOTE CONTROL Gan _ oy UNLOCK UNLOCK 4 The power supply goes back to the local operation mode 45 GW INSTEK GPD X303S Series User Manual Command Syntax Command format SET lt X gt lt NR2 gt NL 1 command header 2 output channel 1 oo A 5 3 separator 4 parameter 5 terminator line feed Output channel 1 CH1 or 2 CH2 Parameter Type Description Example lt Boolean gt boolean logic 0 off 1 on lt NRI gt integers 0 1 2 3 lt NR
21. dicator Front Panel Lock Panel operation Press the LOCK key to lock og Lock the front panel key a operation The key LED turns on To unlock press the LOCK key for 2 seconds The key LED also turns off Note The OUTPUT key is not affected by the lock operation 26 GW INSTEK OPERATION OperATION CH1 CH2 Independent Mode Background CH1 and CH2 outputs work independent of each Connection other Output rating 0 30V 0 3A for each channel Panel operation 1 Make sure the PARA INDEP and SER INDEP keys are turned off the key LEDs are off 2 Connect the load to the front panel terminals CHI CH24 27 GW INSTEK GPD X303S Series User Manual Note this diagram shows non European terminals 3 Set the CH1 output voltage For CH1 and current Press the CH1 key LED turns on and then use the Voltage and Current wine Push kn ob COARSEFINE sCOARSE FINE By default the Voltage and f Current knob work in the N coarse mode To activate the fine mode press the knob to Fine control turn the FINE LED on sei e Coarse 0 1V or 0 1A for each step e Fine 1mV or 1mA for each step 4 Repeat the
22. e Output key turns on all channel outputs md The key LED also turns on Pressing the Output key again turns the output and the key LED off Automatic output Any of the following actions during output on off automatically turns it off e Change the operation mode between independent tracking series tracking parallel e Recalling other setups from the memory e Storing the setup into the memory Beep On Off Panel operation By default the beep sound is CHa ae enabled To turn off the beep press the CH2 or CH2 CH4 key for 2 seconds BEEP BEEP A beep will be heard and the beep setting will be turned off To enable the beep press the CH2 or CH2 CH4 key again for 2 seconds List of beep The following operations beep when the beep setting is on e Power on e Output on off e INDEP SER PARA e Panel lock unlock mode switching CH1 CH2 output e Setup save recall level knob switching e Voltage current knob e Voltage current level fine coarse switching reaching minimum zero level 25 GW INSTEK GPD X303S Series User Manual Switch between channels Panel operation Switching between channels CH4 CH2 CH1 CH3 only applies to GPD 43035S O O Press the CH1 3 key to toggle between CH1 and CH3 The active channel will CH1 CH3 be shown on the channel x indicator Press the CH2 4 key to rea toggle between CH2 and T CH4 The active channel will CH4 CH2 be shown on the channel XX in
23. e connected to the ON position shorted a stable DC current power will be provided for audio power amplifiers GW INSTEK OVERVIEW Series Lineup Main Features Main Features Performance i Operation Protection e Interface Low noise Temperature controlled cooling fan Compact size light weight Constant Voltage Constant Current operation Tracking Series Tracking parallel operation Output On Off control Multi output GPD 2303S 30V 3A x2 GPD 3303S 30V 3A x2 2 5V 3 3V 5V 3A x 1 GPD 4303S 30V 3A x2 5V 1A x1 5V 3A 10V 1A x1 Digital panel control 4 sets of panel setup save recall Coarse and fine Voltage Current control Software calibration Buzzer output Key lock function Overload protection Reverse polarity protection Overvoltage protection USB for remote control 13 GW INSTEK GPD X303S Series User Manual Principle of Operation Overview The power supply consists of the following e AC input circuit e Transformer e Bias power supply including rectifier filter pre regulator and reference voltage source e Main regulator circuit including the main rectifier and filter series regulator current comparator voltage comparator reference voltage amplifier remote device and relay control circuit The block diagram below shows the circuit arrangement The single phase input power is connected to the transformer through the input circuit Details of each part are descr
24. en SER activate the tracking series mode The key LED turns on 2 Connect the load to the front panel terminals CH1 amp CH2 Use the CH1 terminal as the common line connection Note this diagram shows non European terminals 3 Press the CH1 key LED turns on and use the Voltage knob to set the master amp slave master amp slave output fae voltage the same level for pany both channels By default the Voltage and Current knob work inthe Fine control coarse mode To activate the ee fine mode press the knob to COARSERINE turn the FINE LED on e Coarse 0 1V or 0 1A for each step e Fine 1mV or 1mA for each step CURRENT 4 Use the Current knob to set ae the master output current 36 GW INSTEK To turn on the output and LED press the output key OPERATION For the master CH1 output level and CV CC status refer to the CH1 meter and indicator FA Pye CH2 c iou 200u 20 e eB BBB Master CH1 voltage level case 20 0V Master CH1 current level Press the CH2 key LED turns on and use the Current knob to set the slave output current nunanunny C V C C 20000 r EEEE ee SAd CH1 meter reading shows the output voltage In the above CH1 meter reading shows the output current In the above case 2 000A CURRENT usl COARSEFINE For the slave CH2 output level and CV CC status
25. following code Green Yellow Earth Blue Neutral Brown Live Phase As the colours of the wires in main leads may not correspond with the colours marking identified in your plug appliance proceed as follows The wire which is coloured Green amp Yellow must be connected to the Earth terminal marked with the letter E or by the earth symbol or coloured Green or Green amp Yellow The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment and or user instructions for details As a guide cable of 0 75mm should be protected by a 3A or 5A fuse Larger conductors would normally require 13A types depending on the connection method used Any moulded mains connector that requires removal replacement must be destroyed by removal of any fuse amp fuse carrier and disposed of immediately as a plug with bared wires is hazardous if a engaged in live socket Any re wiring must be carried out in accordance with the information detailed on this label GW INSTEK GPD X303S Series User Manual Overvi EW This ch
26. ibed in the next page AC Input Auxiliary Ac Input Relay Rectifier amp Block diagram Reference Voltage Source Control Comparator Filter Instant Over Load Protection Voltage Voltage Series Amplifier Comparator Regulator 14 GW INSTEK OVERVIEW Auxiliary Rectifier The auxiliary rectifiers D1011 D1014 provide bias voltage filtered by the capacitors C102 and C103 for the pre regulators U101 and U102 They provide a regulated voltage for other modules Main Rectifier The main rectifier is a full wave bridge rectifier It provides the power after the rectifier is filtered by the capacitor C101 and then regulated via a series wound regulator which is finally delivered to the output terminal Current Limiter U104 acts as a current limiter When the current is over predetermined rating U104 is activated and decreases the current U208 provides a reference voltage U206 is an inverter amplifier U103 is a comparator amplifier which compares the reference voltage to the feedback voltage and then delivers it to Q102 which then calibrates the output voltage Overload When the unit is overloaded Q107 activates to control the current magnitude of Q102 to limit the output current The relay control circuit controls the power dissipation in the series wound regulated circuit 15 GW INSTEK GPD X303S Series User Manual Front Panel Overview CH1 CH3 CH2 C 14 Beep Keys VoltMeter
27. ioned product Type of Product Power Supply Model Number GPD 2303S GPD 3303S GPD 4303S are herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States relating to Electromagnetic Compatibility 2004 108 EC and Low Voltage Directive 2006 95 EC For the evaluation regarding the Electromagnetic Compatibility and Low Voltage Directive the following standards were applied EMC EN 61326 1 2006 Electrical equipment for measurement control and laboratory use EMC requirements Conducted Emission ClassB Electrostatic Discharge Radiated Emission EN 61000 4 2 2008 EN 55011 2009 A1 2010 Radiated Immunity EN 61000 4 3 2006 A2 2010 Current Harmonics Electrical Fast Transients Voltage Fluctuations urge Immunity Conducted Susceptibility ce oltage Dip Interruption CO O cnet Safety Low Voltage Equipment Directive 2006 95 EC Safety Requirements IEC EN 61010 1 2001 Second Edition 57 GW INSTEK NDEX Automatic out off 25 Banana plug uu eee 24 Baud rate Remote control 0 51 Beep setting COMES spans eee 25 Mamakuna 25 Remote control 0 50 Caution symbol eee D C6 EN Ne re 30 CC CV indicator 00 32 Cleaning the instrument 7 COM setting remote control deepal E E aatenee teres 43 Command list eee 47 Recalling the list 0 52 Common terminal tracking BOE OG sorsod
28. n 4 The CH2 C V C C PAR CV 4 C C PAR indicator turns red CH2 indicating tracking parallel J PARA mode 5 Press the CH1 key LED turns on and then use the Voltage and Current knob or ae to set the output voltage and current The CH2 output control is disabled By default the Voltage and Current knob work in the coarse mode To activate the oe fine mode press the knob to ene 7 turn the FINELEDon 1 6 For the output level and CV CC status refer to the CH1 meter and indicator Fine control BEB B BPP gor Re eS CH2 5 CH1 C V C C 10000 20000 3000 2000 LerTrrirecrerricr ree er tee hal Voltage level The CH1 meter reading shows the output voltage In the above case 20 0V Current level Double the amount of CH1 current meter reading In the above case 2 0A x 2 4 0A 40 GW INSTEK SAVE RECALL SETUP SAVE RECALL SETUP Save Setup Background The front panel settings can be stored into one of the four internal memories Contents The following list shows the setup contents e Independent tracking series tracking parallel mode e CH1 CH2 knob selection e Fine coarse editing mode e Output voltage current level The following settings are always saved as off e Output on off e Front panel lock unlock e Buzzer on off Panel operation Press one of the 1 4 Memory keys for 2 seconds for example memory 1 The panel settings
29. o the poi maximum level 3 0A By default the Voltage and Current knob work in the coarse mode To activate the Fine control fine mode press the knob to cuRRENT turn the FINE LED on pa e Coarse 0 1V or 0 1A for each step e Fine 1mV or 1mA for each step 4 Press the CH1 key LED turns on and then use the Voltage and Current knob VOR carn to set the output voltage and current level 5 To turn on the output press the output key The key LED B turns on 6 Refer to the CH1 Master meter and indicator for the output setting level and CV CC status 34 GW INSTEK OPERATION C V C C CH2 a000 2 20000 J u 7 HHI Voltage level Double the a on the CH1 Voltage meter In the above case the actual output is 20 0 x 2 40 0V Current level CH1 meter reading shows the output Current In the above case 2 000A CH2 Current control must be in the Maximum position 3 0A Tracking series with common terminal Connection LL H Oa EG Output rating O0 30V 0 3A for CH1 COM 0 30V 0 3A for CH2 COM 35 GW INSTEK GPD X303S Series User Manual 1 Press the SER INDEP key to s
30. o turn on the output press the output key The B key LED turns on 3303S When the output oven LoaD Current level exceeds 3 2A the overload indicator turns red and CH3 operation mode switches from Constant Voltage to Constant Current OVER LOAD CH3 4303S When the output value ov _ co exceeds the set value the CH3 C V C C indicator turns red uP This indicates that CH3 has switched from the constant voltage to constant current CH3 Note overload on CH3 in this case does not mean an abnormal operation GW INSTEK OPERATION CH4 Independent Mode Background The GPD 4303S has a rating of 5V 1A max Connection UUUUL Output rating 5V 1A max No Tracking CH4 does not have tracking series parallel mode Series Parallel The CH4 output is not affected by CH1 and CH2 modes Panel operation 1 Connect the load to the front panel CH4 GE terminal the diagram shows non European 6 terminals 2 Press the CH2 4 key to lonza switch to CH4 The CH4 indicator will light Use the voltage and current knobs to set the voltage and current BEEP 31 GW INSTEK GPD X303S Series User Manual 3 T
31. o turn on the output press the output key The md key LED turns on CV CC When the output value ov _ Jee exceeds the set value the CH4 C V C C indicator turns red l This indicates that CH3 has switched from constant voltage to constant current C V C C CH4 32 GW INSTEK OPERATION CH1 CH2 Tracking Series Mode Background Tracking series operation doubles the Voltage capacity of the GPD X303S series by internally connecting CH1 Master and CH2 Slave in series and combining the output to a single channel CH1 Master controls the combined Voltage output level The following describes two types of configurations depending on the common ground usage Tracking series without common terminal Connection EERE Bal R E eee RRE JUUUO Output rating O 60V 0 3A 1 Press the SER INDEP key to activate the tracking series mode The key LED turns on 2 Connect the load to the front panel terminals CH1 amp CH2 Single supply 33 GW INSTEK GPD X303S Series User Manual 3 Press the CH2 key LED turns on and then use the Current knob to set the CH2 a output current t
32. oltage Constant Current Indicator ov _ ccpan or Tracking Parallel operation mode CH2 Output Outputs CH2 voltage and current CH3 CV CC Er Indicates CH3 Constant Indicator Voltage or Constant Current ov _ ce state for the GPD 4303S CH3 Output Outputs CH3 voltage and current 19 GW INSTEK GPD X303S Series User Manual CH3 over Loan Indicates when CH3 3303S Overload output current is overloaded Indicator CH3 Voltage ee eves Selects CH3 output voltage Selector for the GPD 3303S 2 5V 3 3V or 5V CH4 CV CC eae Indicates CH4 constant Indicator voltage or constant current a for the GPD 43038 CH4 Output Outputs CH4 voltage and current Channel Indicates which channel the Indicator i rs o oe 2 LED voltmeters ammeters represent 20 GW INSTEK Rear Panel Overview OVERVIEW Power Cord USB Connector Cooling Fan Fuse Socket AC Selector D gals O e O 10 100 T T T l O LZ O qe o 6 O USB Connector Ss Accepts a USB slave connector for command based remote control page43 Power Cord The power cord socket accepts the Fuse Socket AC mains 115V 230V 50 60Hz For power up details see
33. ry is for measurements performed on circuits not directly connected to Mains Power Supply e AC Input voltage 100V 120V 220V 230V f 10 50 60Hz WARNING Connect the protective grounding conductor of the AC power cord to an earth ground to avoid electrical shock GW INSTEK SAFETY INSTRUCTIONS Fuse Fi WARNING Cleaning the GPD X303S series Operation Environment Fuse type 100V 120V T6 3A 250V 220V 230V T3 15A 250V e Make sure the correct type of fuse is installed before power up To ensure fire protection replace the fuse only with the specified type and rating Disconnect the power cord before fuse replacement Make sure the cause of fuse blowout is fixed before fuse replacement Disconnect the power cord before cleaning Use a soft cloth dampened in a solution of mild detergent and water Do not spray any liquid Do not use chemicals or cleaners containing harsh products such as benzene toluene xylene and acetone Location Indoor no direct sunlight dust free almost non conductive pollution note below Relative Humidity lt 80 Altitude lt 2000m Temperature 0 C to 40 C GW INSTEK GPD X303S Series User Manual Pollution Degree EN 61010 1 2001 specifies the pollution degrees and their requirements as follows The GPD X303S series falls under degree 2 Pollution refers to addition of foreign matter solid liquid or gaseous ionized gases that may
34. tifies conditions or practices that A CAUTION could result in damage to the GPD X303S series or to other properties DANGER High Voltage Attention Refer to the Manual D Protective Conductor Terminal A Earth ground Terminal GW INSTEK GPD X303S Series User Manual bs Do not dispose electronic equipment as unsorted municipal waste Please use a separate collection facility or contact the supplier from which this instrument was purchased Safety Guidelines General e Do not place any heavy object on the GPD Guidelines X3035 series ANN e Avoid severe impacts or rough handling that See leads to damaging the GPD X3035 series e Do not discharge static electricity to the GPD X303S series e Do not block or obstruct the cooling fan vent opening e Do not perform measurement at circuits directly connected to Mains see note below e Do not disassemble the GPD X303S series unless you are qualified as service personnel Measurement categories EN 61010 1 2001 specifies the measurement categories and their requirements as follows The GPD X303S series falls under category I e Measurement category IV is for measurement performed at the source of low voltage installation e Measurement category III is for measurement performed in the building installation e Measurement category Il is for measurement performed on the circuits directly connected to the low voltage installation e Measurement catego
35. time Example VOUT lt X gt Description X Response time Example TRACK lt NRI1 gt Description NR Response time Example Returns the output voltage setting 1 CH1 2 CH2 4303S 3 CH3 4 CH4 Minimum 10ms VSET1 Returns the CH1 voltage setting Returns the actual output current 1 CH1 2 CH2 4303S 3 CH3 4 CH4 Minimum 10ms IOUT1 Returns the CH1 output current Returns the actual output voltage 1 CH1 2 CH2 4303S 3 CH3 4 CH4 Minimum 10ms VOUTI Returns the CH1 output voltage Selects the operation mode independent tracking series or tracking parallel 0 Independent 1 Series 2 Parallel Minimum 10ms TRACKO Selects the independent mode 49 GW INSTEK GPD X303S Series User Manual BEEP lt Boolean gt Description Turns the beep on or off lt Boolean gt O off 1 on Response time Minimum 10ms Example BEEP Turns on the beep OUT lt Boolean gt Description Turns on or off the output lt Boolean gt 0 off 1 on Response time Minimum 10ms Example OUTI Turns on the output STATUS Description Returns the GPD X3303S Response time Minimum 10ms Return parameter 8 bits in the following format 0 CHI _0 CC mode 1 CV mode 2 3 Tracking 01 Independent 11 Tracking series 10 Tracking parallel 6 7 Baud 00 115200bps 01 57600bps 10 9600bps IDNP Description Returns the instrument identification Response time Minimum 10ms 50 GW INSTEK R
36. tored or recalled as off to ensure safety For more information contact your local dealer or GWInstek at www gwinstek com tw marketing goodwill com tw 53 GW INSTEK GPD X303S Series User Manual A ppEN DIX Fuse Replacement Steps 1 Take off the power cord and remove the fuse socket using a minus driver Ba 2 Replace the fuse in the holder Rating e 100V 120V T6 3A 250V e 220V 230V T3 15A 250V 54 GW INSTEK APPENDIX Specifications The specifications apply when the GPD X303S series are powered on for at least 30 minutes under 20 C 30 C Output Ratings CH1 CH2 0 30V 0 3A Independent CH1 CH2 0 60V 0 3A Series CH1 CH2 0 30V 0 6A Parallel CH3 2 5V 3 3V 5 0V 0 3A 3303S 0 5V 0 3A 5 001 10V 0 1A 4303S CH4 0 5V 0 1A Voltage Line lt 0 01 3mV Regulation Load lt 0 01 3mV rating current lt 3A lt 0 02 5mV rating current gt 3A Ripple amp Noise lt ImVrms 5Hz 1MHz Recovery Time lt 100ps 50 load change minimum load 0 5A Temperature lt 300ppm C Coefficient Current Line lt 0 2 3mA Regulation Load lt 0 2 3mA Ripple amp Noise lt 3mArms Tracking Tracking Error lt 0 1 10mV of Master 0 30V Operation No Load with load add load regulation S 100mV Parallel Line lt 0 01 3mV Regulation Load lt 0 01 3mV rating current lt 3A Load lt 0 02 5mV rating current gt 3A Series Line lt 0 01 5mV Regulation Load
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