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Chapter 4 Remote Interface Reference
An Introduction to the SCPI Language

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Summary of Contents for E3633A

Page 1: ...Guide 3DUW 1XPEHU 69670 3334 DQXDU 4 1 RU 6DIHW LQIRUPDWLRQ DUUDQWLHV DQG 5HJXODWRU LQIRUPDWLRQ VHH WKH SDJHV EHKLQG WKH QGH 1 RS ULJKW HZOHWW03DFNDUG RPSDQ 4 OO 5LJKWV 5HVHUYHG1 3 6966 DQG 6967 3RZHU 6XSSOLHV ...

Page 2: ...IOXRUHVFHQW GLVSOD PHWHUV LJK DFFXUDF DQG KLJK UHVROXWLRQ 5HPRWH YROWDJH VHQVLQJ 2YHUYROWDJH DQG RYHUFXUUHQW SURWHFWLRQ 2XWSXW RQ2RII FHOOHQW ORDG DQG OLQH UHJXODWLRQ DQG ORZ ULSSOH DQG QRLVH 2SHUDWLQJ VWDWHV VWRUDJH 3RUWDEOH UXJJHGL HG FDVH ZLWK QRQ0VNLG IHHW URQW DQG 5HDU RXWSXW WHUPLQDOV 5HWULHYLQJ26FUROOLQJ HUURU PHVVDJHV RQ WKH GLVSOD OH LEOH V VWHP IHDWXUHV 30 07 DQG 560565 LQWHUIDFHV DUH VW...

Page 3: ...3A 50V 4A range selection key E3634A 3 Overvoltage protection key 4 Overcurrent protection key 5 Display limit key 6 Recall operating state key 7 Store operating state Local key 8 Error Calibrate key 9 I O Configuration Secure key 10 Output On Off key 11 Control knob 12 Resolution selection keys 13 Voltage current adjust selection key ...

Page 4: ...lays error codes generated during operation self test and calibration or enables calibration mode the power supply must be unsecured before performing calibration See Service Guide for more details on calibration 9 I O Configuration Secure key3 Configures the power supply for remote interfaces or secure or unsecure the power supply for calibration See Service Guide for more details on how to secur...

Page 5: ...to the appropriate position using the resolution selection keys and change the blinking digit value to the desired current limit by turning the control knob 6 Press the key to enable the output After about 5 seconds the display will go to output monitoring mode automatically to display the voltage and current at the output or the display will go to output monitoring mode immediately by pressing th...

Page 6: ... OCP The overcurrent protection function is enabled when the annunciator turns on or the overcurrent protection circuit has caused the power supply to shutdown when the annunciator blinks CAL The power supply is in calibration mode Limit The display shows the limit values of voltage and current ERROR Hardware or remote interface command errors are detected and the error bit has not been cleared OF...

Page 7: ...e chapter 3 Set the HP IB bus address see chapter 3 Set the RS 232 baud rate and parity see chapter 3 1 Power line voltage setting 2 Power line fuse holder assembly 3 AC inlet 4 Power line module 5 HP IB IEEE 488 interface connector 6 RS 232 interface connector 7 Rear output terminals I O Config ...

Page 8: ...1 7KLV FKDSWHU DOVR H SODLQV KRZ WR SURJUDP IRU VWDWXV UHSRUWLQJ1 UURU 0HVVDJHV KDSWHU 8 OLVWV WKH HUURU PHVVDJHV WKDW PD DSSHDU DV RX DUH ZRUNLQJ ZLWK WKH SRZHU VXSSO 1 DFK OLVWLQJ FRQWDLQV LQIRUPDWLRQ WR KHOS RX GLDJQRVH DQG VROYH WKH SUREOHP1 SSOLFDWLRQ 3URJUDPV KDSWHU 9 FRQWDLQV VRPH UHPRWH LQWHUIDFH DSSOLFDWLRQV WR KHOS RX GHYHORS SURJUDPV IRU RXU DSSOLFDWLRQ1 7XWRULDO KDSWHU GHVFULEHV EDVLF ...

Page 9: ...8 ...

Page 10: ... 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 XUUHQW 2XWSXW KHFNRXW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 63 KDSWHU 6 URQW03DQHO 2SHUDWLRQ URQW03DQHO 2SHUDWLRQ 2YHUYLHZ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 68 RQVWDQW 9ROWDJH 2SHUDWLRQ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 69 RQVWDQW XUUHQW 2SHUDWLRQ0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 6W...

Page 11: ... 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 97 560565 DWD UDPH RUPDW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 97 RQQHFWLRQ WR D RPSXWHU RU 7HUPLQDO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 98 75 2 65 DQGVKDNH 3URWRFRO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 99 560565 7URXEOHVKRRWLQJ0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9 DOLEUDWLRQ 2YHUYLHZ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

Page 12: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 448 8VLQJ WKH 0 1 DQG 0 3DUDPHWHUV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 448 4XHU LQJ 3DUDPHWHU 6HWWLQJV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 449 6 3 RPPDQG 7HUPLQDWRUV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 449 07 15 RPPRQ RPPDQGV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 449 6 3 3DUDPHWHU 7 SHV 0 0 0 0 0 0 0 0 0 0 0 0 ...

Page 13: ...HQW 5DQJH0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48 6HULHV RQQHFWLRQV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48 3DUDOOHO RQQHFWLRQV 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48 5HPRWH 3URJUDPPLQJ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48 5HOLDELOLW 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Page 14: ...1 General Information ...

Page 15: ... specificproceduresislocated at the appropriate places in this manual See also Safety at the beginning of this manual for general safety information Safety and EMC Requirements This power supply is designed to comply with the following safety and EMC Electromagnetic Compatibility requirements IEC 1010 1 1990 EN 61010 1 1993 A2 1995 Safety Requirements for Electrical Equipment for Measurement Contr...

Page 16: ...E9 100 Vac 10 47 63 Hz input voltage 1CM Rack mount kit HP part number 5063 9243 910 Extra manual set same language as the selected language manual set when you order the power supply Accessories The accessories listed below may be ordered from your local Hewlett Packard Sales Office either with the power supply or separately HP No Description 10833A HP IB cable 1 m 3 3 ft 10833B HP IB cable 2 m 6...

Page 17: ... operation Overvoltage protection OVP and overcurrent protection OCP Three storage locations 1 to 3 for user defined operating states Automatic turn on self test Remote sensing for load voltage at the front or rear panel terminals User calibration from the front panel or over the remote interfaces The front panel operation permits Easy to use of knob control Output range selection Enabling or disa...

Page 18: ...orescent Display includes Displaying actual values of output voltage and current meter mode Or displaying the limit values of voltage and current limit mode Checking the operating status from the annunciators Checking the type of error from the error codes messages Connections to the power supply s output and to chassis ground are made to binding posts on the front panel and to the rear output ter...

Page 19: ...hipped with a detachable 3 wire grounding type power cord The ac line fuse is an extractor type on the rear panel The power supply can be calibrated from the front panel directly or with a controller over the HP IB or RS 232 interface using calibration commands Correction factors are stored in nonvolatile memory and are used during output programming Calibration from the front panel or a controlle...

Page 20: ...dentsand scratches and that the display is not scratched or cracked Electrical Check Chapter 2 describes an initial operation procedure which when successfully completed verifies to a high level of confidence that the power supply is operating in accordance with its specifications Detailed electrical verification procedures are included in the Service Guide Cooling and Location Cooling The power s...

Page 21: ...ble as Option 1CM P N 5063 9243 Installation instructions and hardware are included with each rack mounting kit Any HP System II instrument of the same size can be rack mounted beside the HP E3633A or E3634A DC power supply Remove the front and rear bumpers before rack mounting the power supply To remove the rubber bumper stretch a corner and then slide it off T o rack mount a single instrument or...

Page 22: ...tion Installation 21 1 To rack mount two instrument side by side order lock link kit 5061 9694 and flange kit 5063 9214 To install one or two instruments in a sliding support shelf order shelf 5063 9256 and slide kit 1494 0015 ...

Page 23: ...rd that has a plug appropriate for your location Contact the nearest HP Sales and Service Office if the wrong power line cord is included with your power supply Your power supply is equipped with a 3 wire grounding type power cord the third conductor being the ground The power supply is grounded only when the power line cord is plugged into an appropriate receptacle Do not operate your power suppl...

Page 24: ...line module 100 or 115 Vac 6 3 AT fuse 230 Vac 3 15 AT fuse 4 Remove the power cord Remove the fuse holder assembly with a flat blade screwdriver from the rear panel 6 Rotate the power line voltage selector until the correct voltage appears 100 115 or 230 Vac 7 Replace the power line voltage selector and the fuse holder assembly in the rear panel ...

Page 25: ...Chapter 1 General Information Input Power Requirements 24 ...

Page 26: ...2 Initial Operation ...

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Page 32: ...SV RU 13 DPSV 1 7XUQ RII WKH SRZHU VXSSO DQG UHPRYH WKH VKRUW IURP WKH RXWSXW1 1 RX FDQ XVH WKH UHVROXWLRQ VHOHFWLRQ NH V WR PRYH WKH EOLQNLQJ GLJLW WR WKH ULJKW RU OHIW ZKHQ VHWWLQJ WKH FXUUHQW1 N o t e If an error has been detected during the output checkout procedures the ERROR annunciator willturn on See Error Messages formore information starting on page 123 in chapter 5 4 For HP E3633A Model...

Page 33: ...Chapter 2 Initial Operation Output Checkout 32 ...

Page 34: ...3 Front Panel Operation ...

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Page 45: ...D VHFRQG DQG WKH OVP DQQXQFLDWRU ZLOO QRW EOLQN DQ PRUH1 7KH RXWSXW ZLOO UHWXUQ WR WKH PHWHU PRGH1 5HPRWH LQWHUIDFH RSHUDWLRQ VOLT PROT voltage MIN MAX Set the OVP level VOLT PROT STAT OFF ON Disable or enable the OVP circuit VOLT PROT CLE Clear the tripped OVP circuit N o t e The power supply s OVP circuit contains a crowbar SCR which effectively shorts the output of the power supply whenever the...

Page 46: ...Chapter 3 Front Panel Operation Programming Overvoltage Protection 45 3 Figure 3 1 Recommended Protection Circuit for Battery Charging ...

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Page 54: ...y VWDWH LV 21 WKH 77 RXWSXW RI SLQ 4 LV KLJK 718 9 DQG SLQ LV ORZ 318 9 1 7KH OHYHOV DUH UHYHUVHG ZKHQ WKH OUTPut RELay VWDWH LV 2 1 N o t e TTL output of pin 1 or pin 9 of the RS 232 connector is available only after installing two jumpers inside the power supply See the Service Guide for more information N o t e Do not use the RS 232 interface if you have configured the power supply to output re...

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Page 58: ...WKH WKLUG LV IRU WKH IURQW0SDQHO SURFHVVRU1 5HPRWH LQWHUIDFH RSHUDWLRQ IDN Returns HEWLETT PACKARD E3633A 0 X X X X X Xªª E3633A HEWLETT PACKARD E3634A 0 X X X X X Xªª E3634A Be sure to dimension a string variable with at least 40 characters SCPI Language Version 7KH SRZHU VXSSO FRPSOLHV ZLWK WKH UXOHV DQG UHJXODWLRQV RI WKH SUHVHQW YHUVLRQ RI 6 3 6WDQGDUG RPPDQGV IRU 3URJUDPPDEOH QVWUXPHQWV 1 RX ...

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Page 60: ... 1 Baud Rate Selection RS 232 RX FDQ VHOHFW RQH RI VL EDXG UDWHV IRU 560565 RSHUDWLRQ1 7KH UDWH LV VHW WR 933 EDXG ZKHQ WKH SRZHU VXSSO LV VKLSSHG IURP WKH IDFWRU 1 The baud rate can be set from the front panel only 6HOHFW RQH RI WKH IROORZLQJ 633 933 4533 5733 7 33 933 EDXG1 7KH IDFWRU VHWWLQJ LV 933 EDXG1 7KH EDXG UDWH VHOHFWLRQ LV VWRUHG LQ QRQ0YRODWLOH PHPRU DQG GRHV QRW FKDQJH ZKHQ SRZHU KDV ...

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Page 63: ...RU DQG GRHV QRW FKDQJH ZKHQ SRZHU KDV EHHQ RII RU DIWHU D UHPRWH LQWHUIDFH UHVHW1 7KH SRZHU VXSSO GLVSOD V D PHVVDJH WR VKRZ WKDW WKH FKDQJH LV QRZ LQ HIIHFW1 I WKH EDXG UDWH DQG WKH SDULW DUH QRW FKDQJHG 12 1 ZLOO EH GLVSOD HG IRU RQH VHFRQG1 N o t e To exit the I O configuration mode without any further changes press the I O Config key until the NO CHANGE message is displayed 1 û6 9 I O Config ...

Page 64: ...WK DV ORQJ DV WKH IROORZLQJ UXOHV DUH REVHUYHG 7KH WRWDO QXPEHU RI GHYLFHV LQFOXGLQJ WKH FRPSXWHU LV QR PRUH WKDQ 481 7KH WRWDO OHQJWK RI DOO WKH FDEOHV XVHG LV QR PRUH WKDQ 5 PHWHU WLPHV WKH QXPEHU RI GHYLFHV FRQQHFWHG WRJHWKHU XS WR D PD LPXP RI 53 PHWHUV1 N o t e IEEE 488 states that you should exercise caution if your individual cable lengths exceed 4 meters R QRW VWDFN PRUH WKDQ WKUHH FRQQHFW...

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Page 73: ...IDFH 2SHUDWLRQ CAL COUN Query the number of times of calibration Calibration Message RX FDQ XVH WKH FDOLEUDWLRQ PHVVDJH IHDWXUH WR UHFRUG FDOLEUDWLRQ LQIRUPDWLRQ DERXW RXU SRZHU VXSSO 1 RU H DPSOH RX FDQ VWRUH VXFK LQIRUPDWLRQ DV WKH ODVW FDOLEUDWLRQ GDWH WKH QH W FDOLEUDWLRQ GXH GDWH WKH SRZHU VXSSO ªV VHULDO QXPEHU RU HYHQ WKH QDPH DQG SKRQH QXPEHU RI WKH SHUVRQ WR FRQWDFW IRU D QHZ FDOLEUDWLRQ1...

Page 74: ...4 Remote Interface Reference ...

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Page 77: ... CURRent PROTection STATe CURRent PROTection TRIPped CURRent PROTection CLEar VOLTage LEVel IMMediate AMPLitude voltage MIN MAX UP DOWN VOLTage LEVel IMMediate AMPLitude MIN MAX VOLTage LEVel IMMediate STEP INCRement numeric value DEFault VOLTage LEVel IMMediate STEP INCRement DEFault VOLTage LEVel TRIGgered AMPLitude voltage MIN MAX VOLTage LEVel TRIGgered AMPLitude MIN MAX VOLTage PROTection LEV...

Page 78: ...ELay seconds MIN MAX DELay SOURce BUS IMM SOURce TRG DISPlay WINDow STATe OFF ON STATe TEXT DATA quoted string TEXT DATA TEXT CLEar SYSTem BEEPer IMMediate ERRor VERSion OUTPut RELay STATe OFF ON RELay STATe STATe OFF ON STATe IDN RST TST SAV 1 2 3 RCL 1 2 3 Triggering Commands System Related Commands ...

Page 79: ...r SECure CODE new code SECure STATe OFF ON code SECure STATe STRing quoted string STRing VOLTage DATA numeric value VOLTage LEVel MIN MID MAX VOLTage PROTection STATus QUEStionable CONDition EVENt ENABle enable value ENABle SYSTem ERRor CLS ESE enable value ESE ESR OPC OPC PSC 0 1 PSC SRE enable value SRE STB WAI Calibration Commands Status Reporting Commands ...

Page 80: ...Reference SCPI Command Summary 79 4 SYSTem LOCal REMote RWLock CLS ESR ESE enable value ESE IDN OPC OPC PSC 0 1 PSC RST SAV 1 2 3 RCL 1 2 3 STB SRE enable value SRE TRG TST WAI RS 232 Interface Commands IEEE 488 2 Common Commands ...

Page 81: ... GHWDLOV RQ RXWSXWWLQJ FRPPDQG VWULQJV DQG HQWHULQJ GDWD1 Using the APPLy Command 7KH APPLy FRPPDQG SURYLGHV WKH PRVW VWUDLJKWIRUZDUG PHWKRG WR SURJUDP WKH SRZHU VXSSO RYHU WKH UHPRWH LQWHUIDFH1 RU H DPSOH WKH IROORZLQJ VWDWHPHQW H HFXWHG IURP RXU FRPSXWHU ZLOO VHW WKH SRZHU VXSSO WR DQ RXWSXW RI 6 9 UDWHG DW 4 APPL 3 0 1 0ªª Using the Low Level Commands OWKRXJK WKH APPLy FRPPDQG SURYLGHV WKH PRVW...

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Page 83: ... power supply Table 4 1 HP E3633A Programming Ranges Table 4 2 HP E3634A Programming Ranges 0 8V 20A Range 0 20V 10A Range Voltage Programming Range 0 V to 8 24V 0 V to 20 60 V MAX Value 8 24 V 20 60 V MIN Value 0 V 0 V DEFault Value 0 V 0 V RST Value 0 V Current Programming Range 0 A to 20 60 A 0 A to 10 30 A MAX Value 20 60 A 10 30 A MIN Value 0 A 0 A DEFault Value 20 A 10 A RST Value 20 00 A 0 ...

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Page 104: ... 4 Remote Interface Reference The SCPI Status Registers 103 4 SCPI Status System Binary Weight 20 1 21 2 22 4 23 8 24 16 25 32 26 64 27 128 28 256 29 512 210 1024 211 2048 212 4096 213 8192 214 16384 215 32768 ...

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Page 110: ... bit 0 is set in the Standard Event register 9 Use a serial poll to check to see when bit 5 standard event is set in the Status Byte summary register You could also configure the power supply for an SRQ interrupt by sending SRE 32 Status Byte enable register bit 5 Using OPC to Signal When Data is in the Output Buffer HQHUDOO LW LV EHVW WR XVH WKH RSHUDWLRQ FRPSOHWH ELW ELW 3 LQ WKH 6WDQGDUG YHQW U...

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Page 119: ...D GHYLFH FOHDU RYHU WKH 30 LQWHUIDFH XVLQJ 3 6 1 CLEAR 705 IEEE 488 Device Clear 7KH IROORZLQJ VWDWHPHQW VKRZV KRZ WR VHQG D GHYLFH FOHDU RYHU WKH 30 LQWHUIDFH XVLQJ WKH 30 RPPDQG LEUDU IRU RU 4XLFN 6 1 IOCLEAR 705 N o t e All remote interface configurations can be entered only from the front panel See Remote Interface Configuration in chapter 3 to configure for HP IB or RS 232 interface before op...

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Page 121: ...LTage LEVel TRIGgered AMPLitude MIN MAX VOLTage PROTection LEVel voltage MIN MAX VOLTage PROTection LEVel MIN MAX VOLTage PROTection STATe 0 1 OFF ON VOLTage PROTection STATe VOLTage PROTection TRIPped VOLTage PROTection CLEar VOLTage RANGe P8V P20V LOW HIGH For E3633A model VOLTage RANGe P25V P50V LOW HIGH For E3634A model VOLTage RANGe STATus QUEStionable CONDition QUEStionable EVENt QUEStionabl...

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Page 123: ...N Remote Enable SRQ Service Request Enable Addressed Commands DCL Device Clear EOI End or Identify GET Group Execute Trigger GTL Go To Local LLO Local Lockout SDC Selected Device Clear SPD Serial Poll Disable SPE Serial Poll Enable IEEE 488 Common Commands CLS ESE enable value ESE ESR IDN OPC OPC PSC 0 1 PSC RST SAV 1 2 3 RCL 1 2 3 SRE enable value SRE STB TRG TST WAI ...

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Page 134: ...6 Application Programs ...

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Page 136: ...OO IRXQG LQ WKH c vxipnp win win95 RU winnt lib msc RU c vxipnp win win95 RU winnt include GLUHFWRU 1 Diode c Diode C This example program steps the power supply through 11 voltages and measures the current response It prints the voltage step and the current response as a table Note that the HP IB address is the default address from the factory for the power supply include visa h include stdio h i...

Page 137: ...Unable to set voltage Measure output current ErrorStatus viPrintf power_supply Measure Current n CheckError Unable to write device delay 500 Allow output to wait for 500 msec Retrieve reading ErrorStatus viScanf power_supply lf current CheckError Unable to read voltage printf 6 4f n current Display diode current SendSCPI Output off Turn output off ClosePort Build the address required to open commn...

Page 138: ...faultRM defaultRM ErrorStatus viOpen defaultRM VISA_address 0 0 power_supply CheckError Unable to open port if bHPIB SendSCPI System Remote void SendSCPI char pString char pdest strcpy commandString pString strcat commandString n ErrorStatus viPrintf power_supply commandString CheckError Can t Write to Driver if bHPIB 0 delay 1000 Unit is milliseconds pdest strchr commandString Search for query co...

Page 139: ...on Programs Example Program for C and C 138 void CheckError char pMessage if ErrorStatus VI_SUCCESS printf n s pMessage ClosePort exit 0 void delay clock_t wait clock_t goal goal wait clock while goal clock End of Program ...

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Page 142: ...earContents Dim I As Integer bHPIB True To use RS 232 set the bHPIB to False OpenPort SendSCPI RST Set power on condition SendSCPI Output on Turn on the output For I 5 To 15 SendSCPI Volt Str Cells I 1 Cells I 2 Val SendSCPI Meas Current Next I SendSCPI Output off Turn off the output ClosePort End Sub Private Function OpenPort Dim HPIB_Address As String Dim COM_Address As String If bHPIB Then HPIB...

Page 143: ...rStatus viWrite power_supply ByVal commandString Len commandString _ actual CheckError Can t Write to Device If bHPIB False Then delay 0 5 End If If InStr commandString Then ErrorStatus viRead power_supply ByVal ReadBuffer 512 actual CheckError Can t Read From Device ReturnString ReadBuffer crlfpos InStr ReturnString Chr 0 If crlfpos Then ReturnString Left ReturnString crlfpos 1 End If SendSCPI Re...

Page 144: ...ib VISA DLL Alias 256 ByVal vi As Long ByVal Buffer As String ByVal count As Long retCount As Long As Long Declare Function viWrite Lib VISA DLL Alias 257 ByVal vi As Long ByVal Buffer As String ByVal count As Long retCount As Long As Long Declare Function viClear Lib VISA DLL Alias 260 ByVal vi As Long As Long Declaration for Windows 95 NT 4 0 Additional declations for VISA32 DLL are usally in fi...

Page 145: ...Chapter 6 Application Programs Example Program for Excel 97 144 ...

Page 146: ...7 Tutorial ...

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Page 162: ...8 Specifications ...

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Page 164: ...onths over HP IB and RS 232 or front panel with respect toactual output 25 C 5 C of output offset Voltage 0 05 5 mV Current 0 15 5 mA Ripple and Noise with outputs ungrounded or with either output terminal grounded 20 Hz to 20 MHz Normal mode voltage 0 35 mV rms and 3 mV p p 0 5 mV rms and 3 mV p p Normal mode current 2 mA rms Common mode current 1 5 mA rms Load Regulation of output offset Voltage...

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Page 169: ...Chapter 8 Specifications Supplemental Characteristics 168 ...

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