SAFETY TERMS AND SYMBOLS
Contents
1. C to 40 C 32 F to 104 F Relative humidity 85 RH max non condensing Installation Category II Pollution degree 2 Storage Temperature amp 10 to 70 C 70 RH maximum Humidity Power Cord ccceeeeeeeeeee X l Instruction manual x 1l Accessories Programmer manual x 1 Mest ead aderen eeraa x 1 FE E PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL 3 PRECAUTIONS BEFORE OPERATION 3 1 Unpacking the Instrument The product has been fully inspected and tested before shipping from the factory Upon receiving the instrument please unpack and inspect it to check if there is any damage caused during transportation If any sign of damage is found notify the bearer and or the dealer immediately 3 2 Checking the Line Voltage The product can be applied by any kind of line voltages shown in the table below Before connecting the power plug to an AC line outlet make sure the voltage selector of the rear panel is set to the correct position corresponding to the line voltage It might be damaged the instrument by connecting to the wrong AC line voltage WARNING To avoid electrical shock the power cord protective grounding conductor must be connected to ground When line voltages are changed replace the required fuses shown as below Line Line Model Range Fuse Range Fuse EA voltage PSs 3203 3203 100v 90 110V 220V 198 242V T1 6A Pss 202. do no perform any servicing other than the operating instructions unless you are qualified to do so 6 1 Fuse Replacement If the fuse blows the display will not light and the power supply will not operate The fuse should not normally open unless a problem has developed in the unit Try to determine and correct the cause of the blown fuse then replace only with a fuse of the correct rating and type refer to 3 2 of page 5 The fuse is located on the rear panel see Fig 4 2 WARNING For continued fire protection Replace fuse only with 250V fuse of the specific type and rating and disconnect power cord before replacing fuse 6 2 Line Voltage Conversion The primary winding of the power transformer is tapped to permit operation from 100 120 220 or 230VAC 50 60 Hz line voltage Conversion from one line voltage to another is done by change AC selects switch The rear panel identifies the line voltage to which the unit was factory set To convert to a different line voltage perform the following procedure PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL 1 Make sure the power cord is unplugged 2 Change the AC selects switch to the desired line voltage position 3 A change in line voltage may also require a corresponding change of fuse value Install the correct fuse value as listed on rear panel 6 3 ADJUSTMENT AND CALIBRATION Preparation 1 30 minutes warm up before calibration 2 Ambient tempe
3. 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 ii PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL 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 jv PSS 3203 2005 PROGRAMMABLE POWER SUPPLY PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL USER MANUAL Declaration of Conformity 1 PRODUCT INTRODUCTION We 1 1 Description GOOD WILL INSTRUMENT CO LTD PSS series Programmable Power Supply is controlled by Micro No 7 1 Jhongsing Rd Tucheng City Taipei County 236 Taiwan GOOD WILL INS
4. the modification Set28 88U amp 886A gt Setze 34 8 8880 Set28 54 6 8860 gt gt Seti2 54 amp 886A PS If the output is on now the output voltage value will be varied with the setting of the knob Output Current Setting After pressing Vset Iset to set the cursor to the position for current input modify the setting value with wheel knob Right now use F C to switch over the input of 100mA step or 1mA step Set12 340 6 8888 HO PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL Example If want to set the current as 1 234A first using the F C knob to switch the cursor to ImA step and adjust the value to 34 then switch the cursor to 100mA step and adjust the value to 12 to complete the modification Seti 34 8 6800 gt gt Setlz 34 8 6340 Seti2 34U 6 834A gt gt Setiz 34 1 2348 Note 1 When the load current through output terminal exceeds the setting value the instrument is operated in the C C mode if not exceeds the setting value the instrument is operated in the C V mode 2 When the maximum output voltage is larger than 36V its adjustable step is 20mV the minimum while the maximum output current is larger 3A its adjustable step is 2mA the minimum 5 2 Over Voltage Current Protection Setting Over Voltage Protection Setting Set to OVP SET window by pressing MENU modify the setting value with the wheel knob and press ENTER The modification can be done by using the F C knob t
5. 05 120V 108 132V r 230V 216 250V 250V PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL 3 3 Environment The normal ambient temperature range of this instrument is from 0 to 40 C 32 to 104 F To operate the instrument exceeding this specific temperature range may cause damage to the circuits of instrument Do not use the instrument in a place where strong magnetic or electric field exists as it may disturb the measurement PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL 4 PANEL INTRODUCTION GWINSTEK Pss 3203 pow siy OUT CV 33 00V 0 000 A 0 32V 0 3A Figure 4 1 Front Panel 11 PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL REPLACE FUSE AS SPECIFIED DISCONNECT POWER CORIBEFORE REPLACING FUSE Figure 4 2 Rear Panel SAR PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL Power Switch Display Output Terminal Output Terminal GND Terminal Rotary Encoder V Set I Set ENTER F C MENU LOCAL Output AC Power Socket AC Select Switch Cooling Fan Interface Connect the AC power then press power switch Indicate the setting of voltage current value output voltage current value and the status of setting and output Positive output terminal Negative output terminal Connect the ground terminal to chassis Wheel knob The key for switch over output voltage and output current setting E
6. 1000 4 3 1996 x Voltage Fluctuation Pleciical Fast Transients The function of Over Voltage Protection OVP and Over Current EN 61000 3 3 1995 EN 61000 4 4 1995 Protection OCP is set with software and detected with hardware to e ee Surge Immunity EN 61000 4 5 1995 achieve protected function precisely and speedily in order to secure users Conducted Susceptibility DONAN EN 61000 4 6 1996 from danger by using the instrument A a Voltage Dips Interrupts EN 61000 4 11 1994 Safety 1 2 Feature Low Voltage Directive 73 23 EEC amp amended by 93 68 EEC 1 An overall digitalization of programmable interface with high IEC EN 61010 1 2001 resolution 2 The 16x2 LCD Display 3 High stability and low draft PSS 3203 2005 PROGRAMMABLE POWER SUPPLY PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL USER MANUAL 2 TECHNICAL SPECIFICATIONS 4 The function of over voltage current temperature protection 5 Intelligent control fan Vary with different output power SPECIFICATIONS PSS 3203 PS5 2005 6 Warning signal by the built in Buzzer 0 32Vx1 0 20Vx1 Output 0 3Ax1 0 5Ax1 7 Step by step calibration procedure 8 Brand new panel design and the 1 4 rack size reduction volume Voltage lt 3mV lt 5mV rating current gt 3 0A Jes Load Effect Current lt 3mA lt 5mA rating current gt 3 0A esign Voltage lt 3mV 9 Wheel knob of Fine and Coars
7. NTER The knob for value input or setting confirmation The knob for switching over coarse and fine adjustment The category of function setting Output OVP OCP Contrast Buzzer Interface PS After switching to the picture of function setting category if there is no further setting action within 4 to 5 seconds the system will return to previous setting picture or output display picture Clear REMOTE control mode and replace with panel control PS Get into calibration mode by pressing the knob more than 5 seconds uninterruptedly Turn on or off output by pressing the knob AC power input terminal Switch Voltage to 100V 120V 220V or 230V 50 60Hz A cooling fan GPIB or RS 232C communication interface PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL 5 OPERATION METHOD 5 1 Output Voltage Current Setting At first ensure that the window now is at the Output Voltage Current setting or the output value display OUT Set28 88U amp 886A or CU 28 86 8 8880 Output Voltage Setting Press Vset Iset to set the cursor to the position for voltage input and modify the setting value with wheel knob Right now can use F C to switch over the input of 1V step or 10mV step Set26 80 6 888 Example If want to set the voltage as 12 34V first using the F C knob to switch the cursor to 10mV step and adjust the value to 34 then switch the cursor to 1V step and adjust the value to 12 to complete
8. PSS 3203 2005 PROGRAMMABLE POWER SUPPLY PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL USER MANUAL CONENIS Etk SAFETY TERMS AND SYMBOLS 1 En INTRODUCTION viaaa iosas OEE ENEE S 1 These terms may appear in this manual or on the product 1 Description sessesssesseessscssoosoocooosooeeceeceeeecesee 1 1 2 Feature iascccsescncac acess cecesaeeesceaee senses devenseveues aaetice 1 3 PRECAUTIONS BEFORE OPERATION one S LN See ee ye 3 1 Unpacking the Instrument sscsssscsesscssceseees 5 practices that could result in injury or loss of life 3 2 Checking the Line Voltage scsscscsseeeseseseeee 5 3 3 EMVirONMENt ccccceccccecscecececececsceecseeseceseees 6 4 PANEL INTRODUCTION cceccececsesscecesceseeees 7 5 OPERATION METHOD cccscscscscscscecscscsseeees 10 CAUTION Caution statements identify conditions or 5 1 Output Voltage Current Setting csesseeeees 10 practices that could result in damage to this product or 5 2 Over Voltage Current Protection Setting 0 11 other property 5 3 The Display Contrast Setting s cecceseeeseeeeee 12 5 4 The Buzzer Setting cccscccscscsscscccscsessseeees 12 5 5 GPIB RS 232 Interface Setting sscscseseeeees 12 5 6 The Maximum Setting Value csccecssseeeeseees 13 The following symbols may appear in this manual or on the product 5 7 Test Lead
9. TRUMENT SUZHOU CO LTD No 69 Lushan Road Suzhou New District Jiangsu China RS 232 or GPIB to computer in order to satisfy users demand for Processor Unit MPU that can easily connect communication interface declare that the below mentioned product auto testing and auto control PSS 2005 PSS 3203 are herewith confirmed to comply with the requirements set out in the Council Directive on The voltage and current are completely controlled by a 12 bits D A the Approximation of the Law of Member States relating to Electromagnetic Compatibility g y Bt ey 89 336 EEC 93 68 EEC and Low Voltage Equipment Directive 73 23 EEC 93 68 EEC Converter with higher resolution and accuracy Also the digitalization of For the evaluation regarding the Electromagnetic Compatibility and Low Voltage Equipment Directive the following standards were applied EMC controlled by keyboard and wheel knob system makes a speedy precise and convenient input of information EN 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements 1997 A1 1998 The adjustment of voltage current is made by software calibration Conducted and Radiated Emissions Electrostatic Discharge without man made error that will increase the preciseness of the EN 55011 1991 A1 1997 A2 1996 EN 61000 4 2 1995 Current Harmonic Radiated Immunity instrument EN 61000 3 2 1995 A1 1998 A2 1998 A14 2000 EN 6
10. diagram of PSS SERIES Which consists acetone or similar solvents Do not use abrasive cleaners on any of Micro Processor Unit MPU Digital to Analog Converter DAC portion of the instrument Analog Switch Circuit Reference Voltage Circuit Driver Circuit Control Circuit Comparator and etc PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL 7 2 The Operation of the whole circuit Each output channel of PSS series has a reference voltage circuit at around 2 5V output voltage which can be amplified to 2 5 1 R314 R3154Vr 2 5 14 12 4k 7 68k Vr by a non inverter amplifier When Vr 0 500 take its middle value to convert above formula into 6 41V and treat this as the reference voltage of DAC AD7541 The AD7541 is a 12 bit DAC with 6 41V 4095 1 56mV bit of the resolution When the instrument is in C V Mode the MPU will send 3300 counts 33 00V of output voltage to DAC output through analog switch and Sample Hold circuit the voltage now is at around 5 148V 1 56mVx3300 5 148V Then compare this voltage with the real output voltage which is retrieved by the voltage sense circuit As the entire circuit is a close loop therefore the retrieved voltage value will be followed with the reference voltage of Sample Hold Besides the Comparator output terminal will output a related voltage value to control the whole output circuit through a driver circuit and generate the required output voltage The attenuation of the vol
11. e pone Effect Current lt 3mA 10 IEEE 488 2 and SCPI compatible command setting Voltage omy Resolution Current ImA QmA rating current gt 3 0A 11 Correspond to CE safety regulation OVP 10mV Program Voltage lt 0 05 20mV Accuracy Current lt 0 1 5mA 10mA rating current gt 3 0A 2545 C OVP lt 0 05 20mV Voltage Ripple lt 1mVrms 3mVp p Ripple amp Noise Noise lt 2mVrms 30mVp p 20Hz 20MHz Current lt 3mArms lt 5mArms rating current gt 3 0A Temperature Voltage lt 100ppm 3mV Coefficient 0 40 C Current lt 100ppm 3mA Readback Voltage 10mV Resolution Current ImA 2mA rating current gt 3 0A Readback Voltage lt 0 05 10mV Accuracy 2545C Current lt 0 1 5mA 10mA rating current gt 3 0A Response Time Voltage Up 10 90 lt 100ms Voltage Down 90 10 lt 100ms 210 rating load Readback Voltage lt 100ppm 10mV Temperature Coefficient Current lt 100ppm 5mA Voltage lt 100ppm 10mV Drift Current lt 150ppm 10mA PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL Interface RS232 GPIB interface option Power Source AC100V 120V 220V 10 230V 10 6 50 60Hz Power PSS 2005 215W Consumption PSS 3203 190W Mechanical Dimensions E 10 W x140 H x320 D mm Spec Weights 4 8 kg Operation Indoor use Environmental Altitude up to 2000 m Ambient temperature To satisfy specifications 10 C to 35 C 50 F to 95 F Maximum operating ranges 0
12. e circuit retrieves a voltage value which will be sent to Comparator through Analog Switch and joined with the output voltage of DAC in dichotomy approaching method to get the same voltage as the real output value of the instrument
13. ltMax 38 oau Step 3 Current Calibration Steps Switch the Calibration selection window to current calibration item with the knob and press ENTER getting into current calibration steps Step 3 1 Now input the current value Max measured by the DMM with the knob and press ENTER During the current value input use the m PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL F C button to switch over the input of 100mA range 100mA step or ImA range 1mA step Note The DMM selected for the measurement must have the resolution of four digits of the decimal point at least 0 1mA Also the input value is to take three digits of decimal point of effective value 1mA and run off the rest Step 3 2 Now input the current value Min measured by the DMM with the knob and press ENTER During the current value input use the F C button to switch over the input of 100mA range 100mA step or ImA range 1mA step CarrMin 0 1098 Note The DMM selected for the measurement must have the resolution of four digits of the decimal point at least 0 1mA Also the input value is to take three digits of decimal point of effective value 1mA and run off the rest Step 4 Switch the Calibration selection window to O V P calibration item with the knob and press ENTER getting into O V P calibration steps Step 4 1 At present the window will indicate the progress of OVP calibration When the calibratio
14. n is completed it will jump out of the window Calibration OUP 166 Step 5 PSS 3203 2005 PROGRAMMABLE POWER SUPPLY PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL USER MANUAL When above calibration steps has been confirmed correctly switch 7 THE SYSTEM DIAGRAM AND DESCRIPTION the calibration selection window to SAVE window with the knob and 7 1 Block Diagram press ENTER to complete the whole calibration procedures Clibration AC RELAY SERIES O P mpurT TRANSFORMER CONTROL REGULATOR Step 6 7 hanni P gt AMPLIFIER If the calibration procedure is not necessary to be stored just switch eres the calibration selection window to Exit window and press ENTER teens r K gs DTOA to leave the calibration procedure AND FILTER CONVERTER GATE a Clibration SExit y VOLTAGE ANALOG COMPARATOR LCM MICRO SWITCH DISPLAY CONTROL AND SAMPLE HOLD fom a CURRENT wl COMPARATOR 6 4 Cleaning To clean the power supply use a soft cloth dampened in a solution INTERFACE RS 232 OR GPIB KEYBOARD of mild detergent and water Do not spray cleaner directly onto the instrument since it may leak into the cabinet and cause damage Do not use chemicals containing benzine benzene toluene xylene The graph above is the system
15. o switch over the input of 1V step or 10mV step Set OUP 20 004 OVP Status Clear Up When the output voltage exceeds the setting voltage the output of the instrument will be off and get into OVP mode by displaying OVP Error Press LOCAL to reset on the panel Just press LOCAL to clear OVP status and back to previous status OUP Error Press LOCAL to reset PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL Over Current Protection Setting Set to OCP SET window by pressing MENU Turn on off the OCP with the wheel knob and press ENTER If OCP is on when the output current equals or exceeds the current value setting the output of the instrument will be off and get into over current protection mode by displaying OCP Error Press LOCAL to reset on the display Just press LOCAL to clear OCP status and back to previous status OCP Error Press LOCAL to reset 5 3 The Display Contrast Setting Set to Contrast Set window by pressing MENU modify its setting value with the wheel knob and press ENTER Set Contrast 50 5 4 The Buzzer Setting Set to Buzzer Set window by pressing MENU turn on or off the buzzer with the wheel knob then press ENTER Buzzer Set OW 5 5 GPIB RS232 Interface Setting Set to Interface window by pressing MENU If the GPIB is displayed the Address value window will be appeared if the RS 232 is displayed the Baud Rate window will be ap
16. peared then using the wheel knob to modify the value and press ENTER to complete the setting Note The system will detect the interface used at present automatically and switch the detected interface over the setting interface of GPIB or RS 232 Example 1 If want to set the GPIB address value to 15 Set to interface window by pressing MENU and adjust the address value to 15 with the wheel knob and press ENTER to PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL complete the setting Interface GPIE Address 15 2 If want to set the RS 232 Baud Rate to 9600 Set to interface window by pressing MENU and adjust the Baud Rate value to 9600 with the wheel knob and press ENTER to complete the setting Interface RS 232 Puad Fate 9600 5 6 The Maximum Setting Value MODEL ITEM PSS 3203 PSS 2005 Output Voltage 33 00 V 21 00V Output Current 3 100A 5 200A Over voltage 34 00V 22 00V 5 7 Test Lead ODEL Pe PSS 3203 PSS 2005 Current 3A Current 4A 10A Test Lead Test Lead 5 8 The setting for the GPIB and RS232 Interface If you have PSS series programmable power supply use the GPIB or RS 232 interface please refer to the PSS series Programmer Manual for more details PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL 6 MAINTENANCE WARNING The following instructions are executed by qualified personnel only To avoid electrical shock
17. rature 23 5 C Humidity Under PH80 Output Calibration Steps Step 1 Press LOCAL for 4 to 5 seconds interruptedly to appear Password input window vary with different models PSS 3203 3203 PSS 2005 2005 input the password number with the wheel knob and use the F C button to shift the input position at the same time then press ENTER When the password number has been input by mistake the system will jump out of the present mode Please enter the Step 2 Voltage Calibration Step After getting into Calibration selection window select Voltage calibration with the knob and press ENTER PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL Step 2 1 Now input the voltage value Min measured by DMM with the knob and press ENTER During the voltage value input use the F C button to switch over the input of 1V step or 10mV step Note The DMM selected for the measurement have the resolution of three digits of the decimal point at least ImV Also the input value is to take two digits of decimal point of effective value 1OmV and run off the rest Step 2 3 Adjust VR311 and adjust the voltage value measured by DMM according to the voltage displayed in the window then press ENTER Note The DMM selected for the measurement must have the resolution of three digits of the decimal point at least 1mV During the adjustment the maximum error of the measured value is 0 005V Calibration Uo
18. scccecccsccccsccccccccsccccccccecceecseseceess 13 5 8 The Setting for the GPIB and RS232 Interface 13 6 MAINTENANCE csccecsccscscessscecscescescscesceeeees 14 l D 6 1 Fuse Replacement scscccscsccscscscsccscscsesces 14 Pa 6 2 Line Voltage Conversion scscccsscccecscecececees 14 6 3 Adjustment and Calibration ccccecsscsscsceee 15 6 4 Cleaning cscecscscccscccsccccccscccecscecscsssseeees 18 DANGER ATTENTION Protective Earth ground Frame or Chassis 7 THE SYSTEM DIAGRAM AND DESCRIPTION 19 f A High Voltage refer to Manual Conductor Terminal Terminal 7 1 Block Diagram cscsccccecscecscscsccesessceeececeese 19 7 2 The Operation of the whole circuit cssceseeecees 20 Terminal eo Joes PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL FOR UNITED KINGDOM ONLY 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 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 D or coloured Green or
19. tage sense circuit is A R342 R342 R335 4 99K 4 99k 27 0k 0 156 and the output voltage is Vout 5 148 A 5 148 0 156 33 00V If the output is affected by the offset of materials can use the Vr to make adequate adjustment PSS 3203 2005 PROGRAMMABLE POWER SUPPLY USER MANUAL The operation in C C Mode is similar to that in C V Mode The MPU will send 2100 counts 2 1A output current to DAC output through analog switch and Sample Hold circuit the voltage now is at around 3 276V 1 56mVx2100 3 276V Then compare this voltage with the real output voltage which is retrieved by the current sense circuit As the entire circuit is a close loop therefore the retrieved voltage value will be followed with the reference voltage of Sample Hold Besides the Comparator output terminal will output a relative voltage value to control the whole output circuit through a driver circuit and generate the required output voltage The current sense circuit for detecting the voltage value from current sense resistor is mainly composed by differential amplifier TLO71 The multiple of the differential amplifier is A R355 R356 22 0k 1 91k 11 518 the voltage on the both sides of current sense resistor is 3 276 11 518 0 285V so the output current is basis on Tout 0 285 R374 2 0 285 0 3 2 1 9A and 2 1A making multiple operand to get a real output current by using the software The Displayed Value of Voltage and Current The voltage current sens
Download Pdf Manuals
Related Search