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Theory of Operation

6. Theory

Operation

6.1 Overview

The 62012P Series DC Power Supply has A, B, C, D, G, I, K, M, N and S total 10 circuit
boards in it.

A board contains input stage and auxiliary power.

B board is the output stage.

C board is the digital control board.

D board is the connecting board from digital board to LCD panel.

G board is the GPIB control board (optional).

I board connects the RS232, RS485, TTL and APG signals to rear panel.

K board controls the keys connected to front panel.

M board connects S board and B board. It is the control board connecting Current
Sharing and Remote Sense wire in parallel for reverse protection.

N board connects to the output copper bus to filter out the high frequency noise.

S board connects to M board and is used for processing current signal as well as
receiving remote voltage signal in parallel.

Figure 6-1 shows the system diagram.

D Board

K Board

G Board

I Board

A Board

B Board

M Board

S Board

N Board

C Board

INPUT

OUTPUT

Figure 6-1

6-1

Содержание 62000P Series

Страница 1: ......

Страница 2: ...Programmable DC Power Supply 62000P Series Operating Programming Manual Version 1 0 August 2005...

Страница 3: ...t be held liable for errors contained herein or direct indirect special incidental or consequential damages in connection with the furnishing performance or use of this material CHROMA ATE INC 66 Hwa...

Страница 4: ...irs will be billed at cost Chroma assumes no responsibility for its product being used in a hazardous or dangerous manner either alone or in conjunction with other equipment High voltage used in some...

Страница 5: ...internal or external protective grounding wire or disconnect the wiring of protective grounding terminal Doing so will cause a potential shock hazard that may bring injury to a person FUSES Only fuses...

Страница 6: ...al must be connected to ground before operation of equipment WARNING The WARNING sign denotes a hazard It calls attention to a procedure practice or the like which if not correctly performed or adhere...

Страница 7: ...Revision History The following lists the additions deletions and modifications in this manual at each revision Date Version Revised Sections Aug 2005 1 0 Complete this manual vi...

Страница 8: ...s 2 2 2 3 2 Input Connection 2 2 2 4 Output Connection 2 3 2 4 1 Rear Panel Output 2 4 2 4 2 Front Panel Output 2 4 2 4 3 Specification of Connecting Wire 2 5 2 4 4 Specification of Parallel Capacitan...

Страница 9: ...42 3 3 5 6 AC FAULT 3 42 3 3 5 7 SENSE FAULT Protection 3 43 3 3 5 8 FANLOCK Protection 3 44 3 3 5 9 BUSOVP Protection 3 44 3 3 6 FACTORY SETTING 3 45 3 3 7 CALIBRATION 3 46 3 3 7 1 Voltage Output Mea...

Страница 10: ...rogram Header Separator 5 4 5 3 5 6 Program Message 5 4 5 3 5 7 Program Message Unit 5 5 5 4 Traversal of the Command Tree 5 5 5 5 Execution Order 5 5 5 6 Commands of DC Power Supply 5 6 5 6 1 Common...

Страница 11: ......

Страница 12: ...ogramming Mode for output waveform provides multiple output voltage and current combinations in time for long period test 6 Rotary knob and keyboard control on the front panel to set the output voltag...

Страница 13: ...us indicators 1 2 4 Input Control Signals 1 Remote sense input for voltage drop compensation 2 Analog reference voltage APG input 0 10VDC or 0 5VDC for voltage and current 3 Remote inhibit control sig...

Страница 14: ...ent Measurement Range 5A 25A 32A 160A 12A 60A 10A 50A 1 6A 8A Accuracy 0 1 0 1 F S Output Noise 0 20MHz Voltage Ripple P P 5 50 mV 50 mV 100 mV 125 mV 180 mV Voltage Ripple rms 10 mV 5 mV 10 mV 15 mV...

Страница 15: ...ce 0 04 of Imax Programming Accuracy Voltage Programming Front Panel and Remote Interface 0 1 of Vmax Voltage Programming Analog Programming Interface 0 2 of Vmax Current Programming Front Panel and R...

Страница 16: ...L signal out 8 bits TTL source capability 7 mA Slew Rate Control Function Voltage slew rate range The fall rate will be affected by the discharge rate of the output capacitors especially under no load...

Страница 17: ...7 PROG PROGRAM Key Press this key to skip to Program Function Page for setting waveform editing mode 8 SAVE SAVE Key Press this key to save the settings in Program Function Page 9 LOCK LOCK Key Press...

Страница 18: ...Pin 1 6 are APG input terminals while pin 8 20 are system status signal terminals See Appendix A for detail pin assignments 4 GPIB Connector Option The GPIB bus used by remote controller is connected...

Страница 19: ......

Страница 20: ...e device has to be returned for repair 2 Do not return the instrument to the factory without obtaining prior RMA acceptance from Chroma 2 1 1 Maintenance Cleaning Remove all connected wires and cables...

Страница 21: ...o 10 of the rated voltage 6 Tansient overvoltage is impulse withstand CAT II 7 Pollution degree II 2 3 Requirements of Input Power 2 3 1 Ratings Input Voltage Range 95 250 Vac single phase Input Frequ...

Страница 22: ...es shall this DC Power Supply be operated without an adequate ground connection 2 Installation of the power cord must be done by a professional and compliant with local electrical codes Figure 2 2 2 4...

Страница 23: ...front panel output differs from 62000P Series models See Figure 2 4 for connection Figure 2 4 CAUTION For safety reason do not exceed rated current different from 62000P Series for the output current...

Страница 24: ...voltage when paralleling capacitance 2 5 Remote Sensing 2 5 1 Correct Connection 1 Connecting remote sensing wire correctly can ensure the output voltage is the set voltage The DC Power Supply is abl...

Страница 25: ...cables are open it still works however the error range will be wider The voltage measured from the output terminal is about 2 larger than the set value therefore it is necessary to connect the remote...

Страница 26: ...re 2 7 shows V _ S E T 8 0 0 0 V I _ S E T 1 5 0 0 A O F F 0 0 0 0 V 0 0 0 0 A 0 0 W S E N S E F A U L T Figure 2 7 NOTICE The DC Power Supply does not burn down due to reverse connection of polarity...

Страница 27: ...tests are done the model no and serial no will show on the screen and prompt OK at the right of the test item if passed It takes about 12 seconds to complete the self test and display the screen as be...

Страница 28: ...wait for 3 seconds after powered off and power it on again CAUTION Before turning on the instrument all protective grounding terminals extension cord and devices must connect to earth The hazard of p...

Страница 29: ......

Страница 30: ...MODE as Figure 3 1 shows Method 1 1 Press VOLTAGE the cursor for V_SET on MAIN PAGE blinks 2 Use the numeric keys 0 9 or turn the Rotary knob to adjust the set value 3 Press ENTER to complete the volt...

Страница 31: ...figuration setting function allows users to set the system functions for the DC Power Supply The system functions that can be edited by the configuration are 1 System Setup To set various system param...

Страница 32: ...G 3 S E R I E S P A R A L L E L 7 C A L I B R A T I O N 4 D I S P L A Y Figure 3 3 1 Use the numeric 1 7 keys or Rotary knob to select the item to be set 2 Press ENTER to confirm NOTICE 1 To cancel th...

Страница 33: ...CONTROL NUM OF SLAVE 7 CALIBRATION VOLTAGE PROG MEAS CURRENT PROG MEAS APG VOLTAGE PROG MEAS APG CURRENT PROG MEAS 4 DISPLAY NONE V I LIMIT V I P PROTECT V I SLEWRATE TTL VALUE 6 FACTORY SETTING V LIM...

Страница 34: ...ion Be sure to set the GPIB address before using it for remote control 1 Use keys to move the cursor to GPIB ADDR column 2 Use the numeric 1 0 keys or Rotary to set the address 3 Press ENTER to confir...

Страница 35: ...I where NONE It indicates not using the programming function for voltage and current V It indicates using voltage programming but not current programming function I It indicates using current program...

Страница 36: ...will map to 0 10V programming or measurement as Figure 3 8 b shows APG INPUT 5V 5V DC SOURCE OUTPUT 80V 60A APG INPUT 10V 10V DC SOURCE OUTPUT 80V 60A a b Figure 3 8 2 Short key description a 0 5V b...

Страница 37: ...r 0 5Vdc of this pin and APIGND It can control the output voltage CV mode linearly 4 Current programming input port The input analog voltage 0 10Vdc or 0 5Vdc of this pin and APIGND It can control the...

Страница 38: ...BACKLIGHT DIMMED c Press 2 BACKLIGHT DARK 3 The darker the backlight is the longer life the panel will be therefore if the instrument is in use during burn in it is suggested to set the backlight to...

Страница 39: ...matically after powered on so that users don t have to set it again 1 Use keys to move the cursor to the column to be set S Y S T E M S E T U P G P I B A D D R 1 R S 2 3 2 B A U D R A T E 9 6 0 0 A P...

Страница 40: ...ne for users to set the default power on state including voltage V_SET current I_SET and OUTPUT ON OFF S Y S T E M S E T U P G P I B A D D R 1 R S 2 3 2 B A U D R A T E 9 6 0 0 A P G N O N E B A C K L...

Страница 41: ...A M I N 0 0 0 0 0 A V S L E W R A T E 1 0 0 V m S I S L E W R A T E 1 0 0 A m S T T L V A L U E 0 D E C B I N A R Y 0 0 0 0 0 0 0 0 Figure 3 17 2 Use the numeric 0 9 keys or Rotary knob to set the val...

Страница 42: ...T T L V A L U E 0 D E C B I N A R Y 0 0 0 0 0 0 0 0 Figure 3 19 2 Use the numeric 0 9 keys or Rotary knob to set the value Take example by 62012P 80 60 the output current range is 0 60A but using thi...

Страница 43: ...I M I T M A X 8 0 0 0 V M I N 0 0 0 0 0 V I L I M I T M A X 1 5 0 0 A M I N 0 0 0 0 0 A V S L E W R A T E 1 0 0 V m S I S L E W R A T E 1 0 0 A m S T T L V A L U E 0 D E C B I N A R Y 0 0 0 0 0 0 0 0...

Страница 44: ...e column to be set 2 Use the numeric 0 9 keys or Rotary knob to set the value Take example by 62012P 80 60 the output current slew rate is set as Figure 3 23 shows The maximum input Slew Rate is 1A mS...

Страница 45: ...T E 1 0 0 V m S I S L E W R A T E 1 0 0 A m S T T L V A L U E 0 D E C B I N A R Y 0 0 0 0 0 0 0 0 Figure 3 24 2 Use the numeric 0 9 keys or Rotary knob to set the value The setting range of TTL VALUE...

Страница 46: ...el Take example by 62012P 80 60 the voltage is up to 400V if connecting 5 sets in series and the current is up to 300A if connecting 5 sets in parallel NOTICE 1 Series Parallel cannot be mixed in use...

Страница 47: ...e RS 485 connectors on the rear panel as Figure 3 26 shows CURRENT SHARING RS 485 CURRENT SHARING RS 485 CURRENT SHARING RS 485 CURRENT SHARING RS 485 CURRENT SHARING RS 485 1 2 5 4 3 Figure 3 26 2 To...

Страница 48: ...put terminal of the first Power Supply to the input terminal of the second Power Supply and so forth Then connect the output terminal of the last Power Supply back to the input terminal of the first a...

Страница 49: ...When set to NONE it means the series parallel mode is not in use and each Power Supply is operated individually The Power Supplies still can be connected in series or parallel in spite of NONE is sel...

Страница 50: ...ing procedure is reversed by setting the MASTER MASTER OR SLAVE MASTER first when pressing EXIT to return to MAIN PAGE the MASTER s MAIN PAGE will show as below V _ SE T 8 0 0 0 V I _ SE T 1 5 0 0 A M...

Страница 51: ...protection and show in MASTER s main page NOTICE When multiple DC Power Supplies are connected in series or parallel only one DC Power Supply can be the Master and the rest have to be set to Slave 3 3...

Страница 52: ...ximum number of NUM OF SLAVE is 4 3 3 3 3 3 Setting NUM OF SLAVE Take example by 62012P 80 60 when the DC Power Supply is set to MASTER see section 3 3 3 3 1 the controlled number that is the SLAVE nu...

Страница 53: ...n below When set MASTER OR SLAVE SLAVE a line SLAVE ADDR will prompt for setting 1 Use keys to move the cursor to MASTER OR SLAVE column SE R I ES PA RALL E L MA S T E R S LA V E CO NT R O L YE S M A...

Страница 54: ...MASTER s MAIN PAGE will show as Figure 3 30 meanwhile the same SLAVE ADDR set will prompt an error message as well in Figure 3 37 2 When the error appears just set SLAVE ADDRESS to a different one wil...

Страница 55: ...sections underneath 1 MAIN PAGE 2 SYSTEM SETUP 3 OUTPUT SETUP and 4 PROTECTION 3 3 3 4 1 Setting MAIN PAGE MAIN PAGE is mainly used to set voltage V_SET and current I_SET The difference between single...

Страница 56: ...ries The V LIMIT MAX in OUTPUT SETUP of MASTER for series connection will increase following the number connected in series It is indicated by V LIMIT MAX for easy identification as Figure 3 40 shows...

Страница 57: ...ced in the sections underneath 1 MAIN PAGE 2 SYSTEM SETUP and 3 OUTPUT SETUP 3 3 3 5 1 Setting MAIN PAGE MAIN PAGE is mainly used to set voltage V_SET and current I_SET The difference between single u...

Страница 58: ...allel The I LIMIT MAX in OUTPUT SETUP of MASTER for parallel connection will increase following the number connected in parallel It is indicated by I LIMIT MAX for easy identification as Figure 3 44 s...

Страница 59: ...lies in series for operation and set the APG option to APG V I and Vref V 5 the MAIN PAGE of MASTER will show as Figure 3 46 As to the voltage setting the inputted analog voltage 0 5 V maps to the act...

Страница 60: ...As to the voltage setting the inputted analog voltage 0 5 V maps to the actual output 0 80 V and for current the inputted analog voltage 0 5 V maps to the actual output 0 300 A as Figure 3 49 a shows...

Страница 61: ...nternal settings on the last line of MAIN PAGE for easy identification without entering the setting page There are five options available for displaying on MAIN PAGE 1 NONE 2 V I LIMIT 3 V I P PROTECT...

Страница 62: ...it is set to V I LIMIT the last line on MAIN PAGE will show the set range of V LIMIT and I LIMIT in OUTPUT SETUP See section 3 3 2 1 and 3 3 2 2 for detail information The MAIN PAGE will show as below...

Страница 63: ...tings in OUTPUT SETUP See section 3 3 2 3 and 3 3 2 4 for detail information V _ S E T 2 0 0 0 V I _ S E T 6 0 0 0 A O F F 0 0 0 0 V 0 0 0 0 A 0 0 W V_ S R 1 0 0 V m S I _ SR 1 0 0 V m S Figure 3 53 W...

Страница 64: ...ged by ROLLING therefore when the actual output is changed dramatically and the average times are larger than 1 the displayed reading will reach for the actual output based on the average times gradua...

Страница 65: ...gure 3 56 is default 3 3 5 1 OVP Protection 1 Use keys to move the cursor to the column to be set as Figure 3 57 shows P R O T E C T I O N O V P 8 8 0 V O C P 6 3 0 A O P P 1 2 6 0 0 W F O L D B A C K...

Страница 66: ...ain page will prompt a protection message as shown below V _ S E T 8 0 0 0 V I _ S E T 1 5 0 0 A O F F 0 0 0 0 V 0 0 0 0 A 0 0 W OV P Figure 3 58 3 3 5 2 OCP Protection 1 Use keys to move the cursor t...

Страница 67: ...f OCP Model Min OCP A Max OCP A 62000P xx xx 1 05 x Io_SET 1 05 x Io_MAX Table 3 5 OCP Range 2 When 0 is set for the OCP it means the function is disabled When OCP occurs the main page will prompt a p...

Страница 68: ...protection point is based on the comparison of calculated power of output current and remote sense voltage However if the power measured by the output terminal on rear panel is larger than the listed...

Страница 69: ...MODE the system will turn off the output to protect the UUT 3 CC TO CV Active in CC MODE only Once the work mode changed to CV MODE the system will turn off the output to protect the UUT When the FOLD...

Страница 70: ...mode change is detected If the mode change time is less than t seconds it will return to it original state and FOLDBACK protection will not occur as Figure 3 66 shows DELAY TIME CV MODE CC MODE Time...

Страница 71: ...O T P Figure 3 67 NOTICE 1 User is unable to change the OTP setting 2 The output will turn off when OTP occurs and won t be on again that is OUTPUT ON until the internal temperature drops to a certai...

Страница 72: ...be consistent with the panel set voltage without affecting by the voltage drop of load wire When the connection is wrong for instance 1 VOLTAGE SENSING polarity is reversed that is the UUT s terminal...

Страница 73: ...eshooting 1 If FANLOCK protection occurs again please contact sales agent for repair services 2 Keep the two sides and the rear of DC Power Supply clear when in loading state to prevent Over Temperatu...

Страница 74: ...agent for repair services 3 3 6 FACTORY SETTING This function is let users reset the instrument to its factory default settings To enter it 1 In Config Setup page press 6 to show Figure 3 72 F ACT ORY...

Страница 75: ...eleased date as 2005 01 01 in the above figure 3 Press ENTER to confirm 4 Press EXIT to return to MAIN PAGE 3 3 7 CALIBRATION Chroma 62000P Series DC Power Supplies have 4 calibration functions 1 VOLT...

Страница 76: ...G M E A S 2 C U R R E N T M E A S 3 C U R R E N T P R O G 4 A P G V O L T A G E P R O G M E A S 5 A P G C U R R E N T P R O G M E A S Figure 3 74 NOTICE Password is required for CALIBRATION The passwo...

Страница 77: ...et the output voltage to 1 00V and the cursor is stopped at position 1 as Figure 3 77 shows Enter the voltage measured by DVM 4 digits after decimal point and press ENTER to confirm 6 Press again to d...

Страница 78: ...N AL L OA D A N D P RE S S E N T E R S E T T I NG OU T P U T V O L T A G E 2 5 0 V A C T U A L OU T P U T V O L T A G E 2 4 9 9 2 V S E T T I NG OU T P U T V O L T A G E 7 0 0 V A C T U A L OU T P U...

Страница 79: ...rdware Requirements Device Suggest Model or Capacity DVM HP 34401A or equivalent DVM CURRENT SHUNT Prodigit 7530 or equivalent ELECTRICAL LOAD CHROMA 63204 or equivalent LOAD BREAKER Capable current 1...

Страница 80: ...urrent Shunt DVM and press ENTER to confirm 1 2 CURR E NT M E A S C A L I BRATI ON A P P L Y L O A D I NG A ND P R E S S EN T E R S E T L O A D I NG C URRE N T 2 0 A A C T UA L OU T P U T CURR E NT 1...

Страница 81: ...A S E T L O A D I NG C URRE N T 5 0 0 A A C T U A L OU T P U T CURR E N T 4 9 9 8 1 2 A 4 3 Figure 3 83 10 Once the 20A point was calibrated it is important to turn the loading of Electronic Load off...

Страница 82: ...Output PROG Calibration 3 3 7 3 1 Hardware Requirements Device Suggest Model or Capacity DVM HP 34401A or equivalent DVM CURRENT SHUNT Prodigit 7530 or equivalent Table 3 10 3 3 7 3 2 SETUP 62000P DC...

Страница 83: ...RM I N A L A N D PRE S S E NTER S E T T I NG OU T PU T CU RR E N T 2 0 A A C T UA L OU T PU T C U RR E N T 1 9 9 2 2 A S E T T I NG OU T PU T CU RR E N T 1 0 0 A A C T UA L OU T PU T C U RR E N T 9 9...

Страница 84: ...form 10A calibration The system will set the output current to 10 00A automatically and the cursor will stop at position 2 as Figure 3 90 shows Input the current 4 digits after decimal point read by C...

Страница 85: ...T I N G CA L I B R A T I ON S H OR T O U T P U T T E R M I N A L A N D P R E S S E NT E R S E T T I N G O U T P U T CU RR E N T 2 0 0 A A C T U A L O U T P U T C U RR E N T 1 9 9 9 2 2 A S E T T I N...

Страница 86: ...T P U T C U RR E N T 1 9 9 9 2 2 A S E T T I N G O U T P U T CU RR E N T 5 0 0 A A C T U A L O U T P U T C U RR E N T 4 9 9 8 1 2 A 4 Figure 3 94 11 The current calibration is done once the above acti...

Страница 87: ...EAS I MEAS DC Power Supply DVM1 DVM2 Figure 3 96 3 3 7 4 3 Calibration Procedure Example Model 62012P 80 60 1 In CALIBRATION page press 3 or turn Rotary knob to set CHOICE 3 2 Press ENTER to confirm e...

Страница 88: ...and press ENTER to confirm A PG V O L T AGE C A L I BRAT I ON CHECK A PG CONN E C T I ON A ND P R E S S ENT ER S E T I NP U T V O L T AG E F OR S E T T I NG 0 5 V ACT UA L A P G I N P U T V OL T A GE...

Страница 89: ...ltage 2 digits after decimal point read by DVM 2 to position 4 and press ENTER to confirm 8 The APG Voltage calibration is done once the above actions are completed Press SAVE and ENTER to save the ca...

Страница 90: ...GE 0 6 6 V S E T I NP U T V O L T AG E F OR S E T T I NG 8 0 V ACT UA L A P G I N P U T V OL T A GE 8 6 8 V Figure 3 101 NOTICE When entering into the CALILBRATION page be sure to check the interface...

Страница 91: ...of Pin 6 on the rear panel to 0 5V The cursor stops at position 3 as Figure 3 103 shows Input the voltage 2 digits after decimal point read by DVM 2 to position 3 and press ENTER to confirm A PG CURRE...

Страница 92: ...Manual Operation NOTICE The calibration point may be different for other models non 62012P 80 60 please operate it following the instructions displayed 3 63...

Страница 93: ......

Страница 94: ...time and trigger type In addition it provides 8 Bit TTL signal outputs that can apply to almost any situation 1 Press PROG on the front panel 2 It displays PROGRAM options as Figure 4 1 shows 3 To qu...

Страница 95: ...0 1 A m S T T L O U T 2 B I N A R Y 0 0 0 0 0 1 0 0 T I M E 1 0 S S E Q U E N C E S E Q N O 9 S E Q T Y P E A U T O V O L T A G E 0 V V S R 1 0 V m S C U R R E N T 0 A I S R 1 0 A m S T T L O U T 0 B...

Страница 96: ...9 keys or Rotary knob to set the value The PROGRAM CHAIN NO means the link among programs It is required when executing different programs The setting range is 0 10 1 Set PROG CHAIN NO to 0 When sett...

Страница 97: ...NO 4 SEQ 3_1 SEQ 3_10 PROG 4 PROG CHAIN NO 6 SEQ 4_1 SEQ 4_10 PROG 5 PROG CHAIN NO 0 SEQ 5_1 SEQ 5_10 PROG 6 PROG CHAIN NO 0 SEQ 6_1 SEQ 6_10 PROG 7 PROG CHAIN NO 0 SEQ 7_1 SEQ 7_10 PROG 8 PROG CHAIN...

Страница 98: ...COUNT 1 PROG 6 to PROG CHAIN NO 1 RUN COUNT 1 The program execution flow is listed as Figure 4 6 shows A3 Execution steps 1 When all PROG 1 SEQUENCES are done skip PROG 2 and jump to PROG 3 2 When all...

Страница 99: ...0 PROG 7 PROG CHAIN NO 0 SEQ 7_1 SEQ 7_10 PROG 8 PROG CHAIN NO 0 SEQ 8_1 SEQ 8_10 PROG 9 PROG CHAIN NO 0 SEQ 9_1 SEQ 9_10 PROG 10 PROG CHAIN NO 0 SEQ 10_1 SEQ 10_10 START Figure 4 6 3 Press ENTER to c...

Страница 100: ...return to PROG 3 3 When all PROG 3 SEQUENCES are done return to PROG 3 4 Repeat step 3 for 3 times 5 End PROG 1 PROG CHAIN NO 3 RUN COUNT 2 SEQ 1_1 SEQ 1_10 PROG 3 PROG CHAIN NO 0 RUN COUNT 3 SEQ 3_1...

Страница 101: ...1 S EQ T Y PE AU T O V O L T A GE 0 V S R 1 0 V mS C U R R E N T 0 I S R 1 0 A mS T T L OU T 0 B I NA RY 0 0 0 0 0 0 0 0 T I ME 0 Figure 4 8 4 2 Setting Sequence 1 Use keys to move the cursor to the c...

Страница 102: ...o be set as Figure 4 9 2 shows 2 Use the numeric 0 2 keys or Rotary knob to set the Sequence Type There are three Sequence Types which are 1 AUTO 2 MANUAL 3 EXT TRIGGER 1 Setting Sequence Type to AUTO...

Страница 103: ...S E Q U E N C E S E Q N O 1 S EQ T Y P E AU T O V O L T A GE 0 V S R 1 0 V mS C U R R E N T 0 I S R 1 0 A mS T T L O U T 0 B I N A RY 0 0 0 0 0 0 0 0 T I ME 0 Figure 4 10 Ex 5 Set Sequence Type to AU...

Страница 104: ...L O U T 0 B I N A R Y 0 0 0 0 0 0 0 0 T I M E 0 1 S S E Q U E N C E S E Q N O 10 S E Q T Y P E A U T O V O L T A G E 0 V V S R 1 0 V m S C U R R E N T 0 A I S R 1 0 A m S T T L O U T 0 B I N A R Y 0 0...

Страница 105: ...2 SEQ 1 SEQ 2 START END 10V 30V 10V 30V 5 Sec 5 Sec 10 Sec 10 Sec Figure 4 12 2 Setting Sequence Type to MANUAL When SEQ TYPE MANUAL is set the Sequence page shown as Figure 4 13 indicates the sequenc...

Страница 106: ...T A GE 0 V S R 1 0 V m S C UR RE N T 0 I S R 1 0 A m S T T L OU T 0 B I N AR Y 0 0 0 0 0 0 0 0 Figure 4 14 3 Press ENTER to confirm 4 Press EXIT to return to Program PAGE Figure 4 1 4 2 3 Setting Vol...

Страница 107: ...detail description of settings 4 2 6 Setting Current Slew_rate 1 Use keys to move the cursor to the column to be set as Figure 4 9 6 shows 2 Use the numeric 0 1 keys or Rotary knob to set the SEQ curr...

Страница 108: ...TER to confirm 4 Press EXIT to return to Program PAGE Figure 4 1 4 3 Program Execution When the sequences are finished for editing press OUTPUT to start execution and press EXIT to abort it 4 3 1 Exec...

Страница 109: ...7 shows the main page for Program execution Items 1 5 in the figure are explained below 1 2 3 5 4 S E Q S T AT US AU T O T I ME 9 9 9 5 9 5 9 PROG NO 5 S E Q NO 1 0 COUN T _ RE MA I N 1 0 8 0 0 0 V 1...

Страница 110: ...m Sequence The time format is HOUR MIN SEC and the maximum display limit is 999 hours 59 minutes and 59 seconds If the time accumulated exceeds the maximum display limit it will reset to 0 and recount...

Страница 111: ......

Страница 112: ...an do remote control easily via simple programming 5 1 1 Setting GPIB Address RS 232C Parameters See section 3 3 1 1 and 3 3 1 2 5 1 2 Connecting RS 232C The default baudrate of 62012P Series DC Power...

Страница 113: ...REMOTE are invalid Press LOCAL REMOTE can return to local mode Table 5 3 5 3 Introduction to Programming All commands and response messages are transmitted in ASCII codes The response messages must be...

Страница 114: ...point and an exponent 1 23E 2 NRf Flexible decimal format including NR1or NR2 or NR3 123 12 3 23E 3 NRf Extended decimal format including NRf and MIN MAX MIN and MAX is the high and low limit of para...

Страница 115: ...5 3 5 3 Common Command and Query Headers The syntax of common command and query headers is described in IEEE 488 2 It is used together with the IEEE 488 2 defined common commands and queries The comma...

Страница 116: ...Command Tree Multiple program message unit elements can be sent in a program message The first command is always referred to the root node Subsequent commands are referred to the same tree level as th...

Страница 117: ...ters of all commands for DC Power Supply 5 6 1 Common Command Syntax Commands are defined by IEEE488 2 standard containing common and query commands Common commands begin with a and consist of three l...

Страница 118: ...Identification Query Type System interface Description This query requests the 62000P to identify itself Query Syntax IDN Return Parameter aard Query Example IDN String Description CHROMA Manufacture...

Страница 119: ...vents of the Status Byte register see STB are allowed to set the MSS Master Status Summary bit A 1 in the bit position enable bits are logically ORed to cause Bit 6 the Master Summary Status Bit of th...

Страница 120: ...ure BEEPer ON CONFigure BEEPer OFF Parameter ON 1 OFF 0 Example CONF BEEPer ON CONF BEEPer OFF Query Syntax CONFigure BEEPer Return Parameter NR1 Query Example CONF BEEPer It returns the beeper contro...

Страница 121: ...the delay time of FOLDBACK PROTECT Syntax CONFigure FOLDT NRf1 Parameter 0 01 600 00 Unit Sec Example CONF FOLDT 10 Query Syntax CONF FOLDT Return Parameter NRf1 Query Example CONF FOLDT Return Examp...

Страница 122: ...dual spec for valid numeric range Example SOUR VOLT LIMIT HIGH 60 0 It sets the output voltage range to 60V maximum SOUR VOLT LIMIT LOW 20 0 It sets the output voltage range to 20V minimum Query Synta...

Страница 123: ...SOUR CURR It returns the current Return Example 9 000000e1 6 SOURce CURRent LIMit HIGH LOW Description It sets the output current range Syntax SOURce CURRent LIMIT HIGH NRf suffix SOURce CURRent LIMI...

Страница 124: ...URce POWer PROTect HIGH NR1 suffix Parameter Refer to individual spec for valid numeric range Example SOURce POWer PROTect HIGH 1260 It sets the over power point 1260 Query Syntax SOURce POWer PROTect...

Страница 125: ...ption It returns the current measured at the output of Power Supply Query Syntax MEASure CURRent Return Parameter NRf Unit Amp Query Example MEAS CURR Return Example 3 15 3 MEASure POWer Description I...

Страница 126: ...N OFF Parameter ON 1 OFF 0 Example PROG RUN ON Query Syntax PROGram RUN Return Parameter NR1 Query Example PROGram RUN Return Example 1 5 PROGram SAVE Description It saves the program Syntax PROGram S...

Страница 127: ...m SEQuence VOLTage SLEW NR1 Parameter 0 01 to 10 00 Example PROG SEQ VOLT SLEW 40 5 Query Syntax PROG SEQ VOLT SLEW Return Parameter NR1 Query Example PROG SEQ VOLT SLEW Return Example 20 10 PROGram S...

Страница 128: ...Query Syntax SYSTem ERRor Return Parameter aard Query Example SYST ERR Return Example 203 Data out of range Code Error Message Code Error Message 0 No error 101 Invalid character 102 Syntax error 103...

Страница 129: ......

Страница 130: ...S232 RS485 TTL and APG signals to rear panel K board controls the keys connected to front panel M board connects S board and B board It is the control board connecting Current Sharing and Remote Sense...

Страница 131: ...liary Power Flyback Converter UC3845 18VP 12VO 12VO 16VD 5VD 18VP PGND PGND1 DC_BUS A Board I P Stage PGND1 Figure 6 2 Figure 6 3 shows the output stage structure B Board O P Stage Isolated Driver UC3...

Страница 132: ...ctifier plus a boost converter with PFC function The PWM IC is the UCC3854 of Unitrode and controlled by average current mode under the switch frequency of 25KHz 2 The way input stage inhibits inrush...

Страница 133: ...disconnected but the accuracy will drop In Constant Current mode following controls the IC detecting signal 1 Output current 3 The secondary side is two stages LC filter to lower down ripple voltage...

Страница 134: ...ion OPP The output power exceeds the spec Remove the over load or enlarge the OPP settings Over Current Protection OCP The output current exceeds the spec or OCP settings Remove the over load or enlar...

Страница 135: ...Manual Problem Cause Resolution protection state Unable to control DC Power Supply via GPIB 1 The address of DC Power Supply is incorrect 2 The GPIB cable is loose and fallen at rear 1 Update the add...

Страница 136: ...ns to LOW it inhibits the output of DC Power Supply It equals to press OUTPUT on the front panel which means to set OUTPUT OFF 10 PIN 10 When the DC Power Supply outputs voltage that is OUTPUT ON this...

Страница 137: ......

Страница 138: ...otect OVP Input voltage abnormal protect AC FAULT Over current protect OCP Input stage over voltage protect BUS_OVP Over power protect OPP Remote sense reverse protect SENSE FAULT Over temperature pro...

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Chroma 62000P Series, Руководство по эксплуатации и программированию

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