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GW Instek GPD-2303S User Manual Download Page 27

  

OPERATION 

O

PERATION 

CH1/CH2 Independent Mode 

 

Background / 
Connection 

CH1 and CH2 outputs work independent of each 
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, 
CH1 +/

−

, CH2 +/

−

. 

27 

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Summary of Contents for GPD-2303S

Page 1: ...DC Power Supply GPD X303S Series USER MANUAL GW INSTEK PART NO 82PD 433S0M01 ISO 9001 CERTIFIED MANUFACTURER All manuals and user guides at all guides com a l l g u i d e s c o m...

Page 2: ...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...

Page 3: ...2 SETUP 23 Power Up 23 Load Cable Connection 24 Output On Off 25 Beep On Off 25 Switch between channels 26 Front Panel Lock 26 OPERATION 27 CH1 CH2 Independent Mode 27 CH3 Independent Mode 29 CH4 Inde...

Page 4: ...ote Connection Step 44 Command Syntax 46 Error Messages 46 Command List 47 Command Details 48 FAQ 53 APPENDIX 54 Fuse Replacement 54 Specifications 55 Declaration of Conformity 57 INDEX 58 All manuals...

Page 5: ...he GPD X303 series Safety Symbols These safety symbols may appear in this manual or on the GPD X303S series WARNING Warning Identifies conditions or practices that could result in injury or loss of li...

Page 6: ...e 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 Measurement c...

Page 7: ...is fixed before fuse replacement Cleaning the GPD X303S series 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...

Page 8: ...y condensation must be expected Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In such conditions...

Page 9: ...cted 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 R...

Page 10: ...t adjustable multifunctional work stations The GPD 2303S has a 2 independent adjustable voltage outputs The GPD 3303S three independent outputs two with adjustable voltage levels and one with fixed le...

Page 11: ...nt 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 so...

Page 12: ...e power supply can provide a continuous or dynamic load using a jumper connector JP101 JP401 When the jumper connectors are connected to the ON position shorted a stable DC current power will be provi...

Page 13: ...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 fin...

Page 14: ...ator 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...

Page 15: ...tput 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 inve...

Page 16: ...2 Output CH2 CV CC PAR Indicator CH4 Output CH4 CV CC Indicator GND Terminal Series Keys Power Switch Channel Indicator Display Voltmeter Displays output voltage of each channel GPD 4303S CH1 CH3 and...

Page 17: ...ent For level setting details see page27 Beep Keys Pressing and holding the CH2 2303S 3303S or the CH2 4 key 4303S enables the beeper sound For details see page25 Parallel Series Keys Activates Tracki...

Page 18: ...ing the knob switches coarse and fine level setting Current Knobs Adjusts the output current level for the selected channel Pressing the knob switches coarse and fine level setting Power Switch Turns...

Page 19: ...utput Outputs CH1 voltage and current CH2 CV CC PAR Indicator Indicates CH2 Constant Voltage Constant Current or Tracking Parallel operation mode CH2 Output Outputs CH2 voltage and current CH3 CV CC I...

Page 20: ...r Selects CH3 output voltage for the GPD 3303S 2 5V 3 3V or 5V CH4 CV CC Indicator Indicates CH4 constant voltage or constant current for the GPD 4303S CH4 Output Outputs CH4 voltage and current Chann...

Page 21: ...r Cord Fuse Socket The power cord socket accepts the AC mains 115V 230V 50 60Hz For power up details see page23 The fuse holder contains the AC main fuse For fuse replacement details see page54 AC Sel...

Page 22: ...rent 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 X303S series starts operating in Con...

Page 23: ...C input voltage from the rear panel Connect AC power cord Connect the AC power cord to the rear panel socket Power On Press the Power switch to turn on the power The display shows the initialization s...

Page 24: ...the socket GTL 203A 204A Insert the plug into the terminal Wire type When using load cables other than the attached make sure they have enough current capacity for minimizing cable loss and load line...

Page 25: ...into the memory Beep On Off Panel operation By default the beep sound is enabled To turn off the beep press the CH2 or CH2 CH4 key for 2 seconds A beep will be heard and the beep setting will be turn...

Page 26: ...ator Press the CH2 4 key to toggle between CH2 and CH4 The active channel will be shown on the channel indicator Front Panel Lock Panel operation Press the LOCK key to lock the front panel key operati...

Page 27: ...tputs work independent of each 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 t...

Page 28: ...and Current knob work in the coarse mode To activate the fine mode press the knob to turn the FINE LED on For CH1 Fine control Coarse 0 1V or 0 1A for each step Fine 1mV or 1mA for each step 4 Repeat...

Page 29: ...0 1A Output rating 3303S 2 5V 3 3V 5V 3A fixed 4303S 0 5V 0 3A 5 001 10V 0 1A No Tracking Series Parallel CH3 does not have tracking series parallel mode Also CH3 output is not affected by CH1 and CH2...

Page 30: ...output key The key LED turns on CV CC 3303S When the output Current level exceeds 3 2A the overload indicator turns red and CH3 operation mode switches from Constant Voltage to Constant Current 4303S...

Page 31: ...arallel mode The CH4 output is not affected by CH1 and CH2 modes Panel operation 1 Connect the load to the front panel CH4 terminal the diagram shows non European terminals 4 2 Press the CH2 4 key to...

Page 32: ...press the output key The key LED turns on CV CC When the output value exceeds the set value the C V C C indicator turns red This indicates that CH3 has switched from constant voltage to constant curr...

Page 33: ...annel 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...

Page 34: ...ctivate the fine mode press the knob to turn the FINE LED on Fine control Coarse 0 1V or 0 1A for each step Fine 1mV or 1mA for each step 4 Press the CH1 key LED turns on and then use the Voltage and...

Page 35: ...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 LOAD...

Page 36: ...ss the CH1 key LED turns on and use the Voltage knob to set the master slave output voltage the same level for both channels By default the Voltage and Current knob work in the coarse mode To activate...

Page 37: ...reading shows the output voltage In the above case 20 0V Master CH1 current level CH1 meter reading shows the output current In the above case 2 000A 7 Press the CH2 key LED turns on and use the Curr...

Page 38: ...CH2 voltage level The CH1 meter reading shows the output voltage In the above case 20 0V Slave CH2 current level The CH2 meter reading shows the output current In the above case 3 000A 38 All manuals...

Page 39: ...ecting CH1 and CH2 in parallel and combining the output to a single channel CH1 controls the combined output LOAD Output rating 0 30V 0 6A 1 Press the PARA INDEP key to activate the tracking parallel...

Page 40: ...ent The CH2 output control is disabled By default the Voltage and Current knob work in the coarse mode To activate the fine mode press the knob to turn the FINE LED on Fine control 6 For the output le...

Page 41: ...ing mode Output voltage current level The following settings are always saved as off Output on off Front panel lock unlock Buzzer on off Panel operation Press one of the 1 4 Memory keys for 2 seconds...

Page 42: ...coarse editing mode Output voltage current level The following settings are always recalled as off Output on off Front panel lock unlock Buzzer on off Panel operation Press one of the 1 4 Memory keys...

Page 43: ...ccording to the following list Baud rate 9600 57600 115200 Parity bit None Data bit 8 Stop bit 1 Data flow control None Functionality check Run this query command via the terminal application such as...

Page 44: ...ront panel is automatically locked the Lock key will become activated Leaving the remote control mode 1 To exit remote mode either 1 use the LOCAL command from the terminal connection or 2 Press the L...

Page 45: ...REMOTE CONTROL 4 The power supply goes back to the local operation mode 45 All manuals and user guides at all guides com...

Page 46: ...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 Descripti...

Page 47: ...ET X Returns the output current setting VSET X NR2 Sets the output voltage VSET X Returns the output voltage setting IOUT X Returns the actual output current VOUT X Returns the actual output voltage T...

Page 48: ...CH1 output current to 2 234A ISET X Description Returns the output current setting X 1 CH1 2 CH2 4303S 3 CH3 4 CH4 Response time Minimum 10ms Example ISET1 Returns the CH1 output current setting VSET...

Page 49: ...Minimum 10ms Example IOUT1 Returns the CH1 output current VOUT X Description Returns the actual output voltage X 1 CH1 2 CH2 4303S 3 CH3 4 CH4 Response time Minimum 10ms Example VOUT1 Returns the CH1...

Page 50: ...output STATUS Description Returns the GPD X3303S Response time Minimum 10ms Return parameter 8 bits in the following format Bit Item Description 0 CH1 0 CC mode 1 CV mode 1 CH2 0 CC mode 1 CV mode 2...

Page 51: ...1 SAV NR1 Description Stores the panel setting NR1 1 4 Memory 1 to 4 Response time Minimum 10ms Example SAV1 Stores the panel setting in memory 1 BAUD NR1 Description Sets the baud rate to 9600bps 57...

Page 52: ...ent VOUT x Returns actual output voltage TRACK NR1 Sets the output of the power supply working on independent or tracking mode BAUD NR1 Set the value of baud rate RCL NR1 Recall the setting data from...

Page 53: ...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 o...

Page 54: ...NDIX Fuse Replacement Steps 1 Take off the power cord and remove the fuse socket using a minus driver 2 Replace the fuse in the holder Rating 100V 120V T6 3A 250V 220V 230V T3 15A 250V 54 All manuals...

Page 55: ...A Ripple Noise 1mVrms 5Hz 1MHz Recovery Time 100 s 50 load change minimum load 0 5A Temperature Coefficient 300ppm C Current Regulation Line 0 2 3mA Load 0 2 3mA Ripple Noise 3mArms Tracking Operation...

Page 56: ...0V Chassis and AC cord 30M or above DC 500V Operation Environment Indoor use Altitude 2000m Ambient temperature 0 40 C Relative humidity 80 Installation category II Pollution degree 2 Storage Environm...

Page 57: ...ility 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 Radiated Em...

Page 58: ...8 EN61010 Declaration of conformity57 Measurement category 6 Pollution degree 8 EN61326 1 57 Environment Operation 7 Specification 55 Storage 8 Error messages remote control 46 52 Front panel Lock man...

Page 59: ...l 5 Rear panel overview 21 Recall settings Manual 42 Remote 51 Remote control Command syntax 46 Connection test 43 Error messages 46 Interface 43 Save settings Manual 41 Remote 51 Service operation Ab...

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