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- GPIB-XPD
- Operating Manual
Xantrex GPIB-XPD Operating Manual
Summary of GPIB-XPD
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Operating manual internal gpib interface for xpd series programmable dc power supply gpib-xpd.
Page 3: Operating Manual For
Operating manual for internal gpib interface for xpd 500 watt series programmable dc power supply.
Page 4: Limited
Ii operating manual for gpib for xpd series power supply limited warranty what does this warranty cover and how long does it last? This limited warranty is provided by xantrex technology, inc. (“xantrex”) and covers defects in workmanship and materials in your gpib interface card. This warranty last...
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Release 1.2 iii direct returns may be performed according to the xantrex return material authorization policy described in your product manual. For some products, xantrex maintains a network of regional authorized service centers. Call xantrex or check our website to see if your product can be repai...
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Iv operating manual for gpib for xpd series power supply disclaimer product this limited warranty is the sole and exclusive warranty provided by xantrex in connection with your xantrex product and is, where permitted by law, in lieu of all other warranties, conditions, guarantees, representations, o...
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Release 1.2 v information without limiting the generality of the foregoing, unless specifically agreed to by it in writing, xantrex a. Makes no warranty as to the accuracy, sufficiency or suitability of any technical or other information provided in manuals or other documentation provided by it in c...
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Vi operating manual for gpib for xpd series power supply power supply safety warnings, cautions, and notes warnings, cautions, and notes are defined and formatted in this manual as shown below. Warning—high energy and high voltage exercise caution when using and calibrating a power supply. High ener...
Page 9: About This Manual
Release 1.2 vii about this manual this technical manual is for the internal gpib interface, a microprocessor-controlled option card for xpd series dc output power supplies. This manual provides you with descriptions and specifications, user options, and configuration instructions, in addition to a c...
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About this manual viii operating manual for gpib for xpd series power supply.
Page 11: Contents
Release 1.2 ix contents about this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vii section 1. Features and specifications description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Contents x operating manual for gpib for xpd series power supply error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Release 1.2 11 section 1. Features and specifications description the internal gpib interface card allows you to operate your power supply from a computer controller via the ieee-488 communications bus. See figure 1.1, “sample configuration using gpib interface”. The gpib interface allows complete r...
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Features and specifications features and functions 12 operating manual for gpib for xpd series power supply features and functions features • 16-bit programming and readback of voltage and current • programmable soft limits for voltage and current • programmable over voltage protection with reset • ...
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Features and specifications specifications release 1.2 13 specifications the specifications in this section are warranted at 25°c ±5°c unless otherwise specified. All specifications are subject to change without notice. Table 1.1 specifications for xpd 500 w series supply with gpib interface install...
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Features and specifications specifications 14 operating manual for gpib for xpd series power supply.
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Release 1.2 15 section 2. Installation and configuration introduction to use this product, you must have the following equipment: • a compatible model of dc output power supply • ieee-488 connector and cable • computer with an ieee-488 interface • computer-based communications software package we us...
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Installation and configuration initial inspection 16 operating manual for gpib for xpd series power supply figure 2.1 power supply front panel with gpib interface installed ! Caution use proper static control techniques to avoid damage to static-sensitive components on the printed circuit board. Ser...
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Installation and configuration initial inspection release 1.2 17 figure 2.2 gpib interface subplate (located on power supply rear panel) ! Caution use proper static control techniques to avoid damage to static-sensitive components on the printed circuit board s1 switch 1 remote/local startup 2 power...
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Installation and configuration initial inspection 18 operating manual for gpib for xpd series power supply figure 2.3 gpib interface pcb jumper selection j2 local ovp control selection [closed] [default]. See page 23. [open] front panel ovp control. J3 user ttl shutdown (s/d) selection [1-2] user tt...
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Installation and configuration basic setup procedure release 1.2 19 basic setup procedure this procedure can be used as a quick reference for those familiar with the configuration requirements for the gpib interface as installed in the dc power supply. For those who want more information, each step ...
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Installation and configuration ieee-488 primary address selection 20 operating manual for gpib for xpd series power supply ieee-488 primary address selection 1. Assign a primary address to each power supply: choose a number between 0 and 30 which is unique to your ieee-488 bus, that is, different fr...
Page 23: Remote/local Operation
Installation and configuration power on service request (pon srq) release 1.2 21 power on service request (pon srq) the power on service request (srq) switch is located on the gpib subplate rear panel s1 switch. Enabling the srq switch causes the power supply to send a service request to the compute...
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Installation and configuration remote/local operation 22 operating manual for gpib for xpd series power supply if the rear panel pon rem switch is set to 1, the power supply will power up in local mode. Power supply control is at the front panel. During an operating session, you can toggle between l...
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Installation and configuration ieee-488 controller connection release 1.2 23 to return to remote mode, ensure that the ren line is asserted and then send any valid gpib or device-dependent command. Local mode operation in local mode operation, the voltage and current output levels and the ovp trip l...
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Installation and configuration internal pcb jumper selections 24 operating manual for gpib for xpd series power supply the front panel local switch, control of the ovp trip level changes from software control to the front panel ovp potentiometer. The default ovp trip level is set as 110% of the powe...
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Installation and configuration user signals release 1.2 25 table 2.7 switch settings for ttl shutdown circuit logic user signals connector j21 user signals auxiliary connector j21, located on the gpib interface rear panel, provides several signals to increase your operating control of the supply. Th...
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Installation and configuration user signals 26 operating manual for gpib for xpd series power supply figure 2.4 user signals j21 connector j21-1 external ttl shutdown input signal (see “ttl shutdown”) j21-2 polarity signal, open collector (asserted by vset -x) j21-3 isolation signal, open collector ...
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Installation and configuration user signals release 1.2 27 figure 2.5 j21 user signal connector circuit block diagram j21 cable connection use a standard 8-position telephone jack and data cable to connect to j21. Add a ferrite block to reduce radiated emission. The one inch square ferrite block wit...
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Installation and configuration user signals 28 operating manual for gpib for xpd series power supply figure 2.6 j21 user cable with ferrite block j21 user cable ferrite block to user custom interface to j21 connector.
Page 31: Section 3. Operation
Release 1.2 29 section 3. Operation introduction this section covers gpib interface programming, starting with ieee-488 functions, continuing with an extensive set of device-dependent commands, and, finally, providing error codes, and status and fault register information. Gpib operation a gpib inte...
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Operation gpib operation 30 operating manual for gpib for xpd series power supply table 3.1 ieee-488.1 interface functions implemented multiline control functions the gpib interface and the computer controller implement the acceptor handshake, source handshake, listener, and talker functions. No use...
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Operation gpib operation release 1.2 31 device trigger device trigger will implement the most recently programmed values whether the unit is in local or remote control. If the power supply is in local mode, the new values will be implemented when it is switched from local to remote control. Device t...
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Operation gpib operation 32 operating manual for gpib for xpd series power supply serial poll in a serial poll, the controller polls each device. Example: the power supply responds with a 8-bit status byte defined as follows: table 3.2 serial poll status register ibrsp return serial poll byte. Bit p...
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Operation command syntax release 1.2 33 command syntax manual conventions the manual uses these conventions when displaying command information. These characters are not part of the command but are used to denote parameters used with the command. Command format and parameters the device-dependent la...
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Operation command syntax 34 operating manual for gpib for xpd series power supply • use commas between parameters in those commands with more than one parameter, and between mnemonic parameters as in the mask and unmask commands. Only one comma is allowed and it may be preceded or followed by any nu...
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Operation command syntax release 1.2 35 command strings if you send more than one command line, separate the commands with a semicolon. The semicolon may be preceded or followed by spaces. Example: command terminators terminators indicate the end of a command string and tell the power supply to exec...
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Operation command summary 36 operating manual for gpib for xpd series power supply command summary use these commands to control the operation of the supply. They are listed here in order of function such as programming, query, calibration, and status commands. See “command reference” on page 39 for...
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Operation command summary release 1.2 37 table 3.6 query commands command description auxa? Asks for the state of the set value for the auxa command auxb? Asks for the state of the set value for the auxb command cmode? Asks for the power supply’s calibration mode status. Dly? Asks for the programmab...
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Operation command summary 38 operating manual for gpib for xpd series power supply table 3.7 calibration commands table 3.8 status commands command description cmode places the supply into calibration mode. Idata calculates the slope and intercept for current programming. Ihi sets the current output...
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Operation command reference release 1.2 39 command reference table 3.9 command reference command description asts? Asks for the supply’s accumulated status register. The accumulated status register stores any bit that was entered in the status register since the accumulated status query command (ast...
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Operation command reference 40 operating manual for gpib for xpd series power supply command description dly sets a programmable time delay employed by the supply before reporting fault conditions. The power supply uses the time delay after receiving a new output voltage or current setting via vset ...
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Operation command reference release 1.2 41 command description fold? Asks for the supply’s present foldback setting. Response: fold where mode is: 0 (off) or 1 (cv or constant voltage mode) or 2 (cc or constant current mode) hold , enables or disables voltage/current setting hold mode for the supply...
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Operation command reference 42 operating manual for gpib for xpd series power supply command description irdat , calculates and records the slope and offset for readback voltage using irlo and irhi data. Set cmode on before using this command. See also the calibration procedures in section 4. And ar...
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Operation command reference release 1.2 43 command description ovcal causes the master controller to perform automatic calibration of the supply’s over voltage protection circuitry. Set cmode on before using this command. Ensure jumper j2 on the gpib interface pcb is connected for remote operation. ...
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Operation command reference 44 operating manual for gpib for xpd series power supply command description trg implements programmed voltage and current settings which had been in hold mode. The supply operates with previous values until the trg (trigger) command is sent. Unmask enables you to select ...
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Operation command reference release 1.2 45 command description vmax sets an upper soft limit on the supply’s programmed output voltage. If the soft limit is exceeded, or if the soft limit value is lower than the present output voltage setting, the supply will ignore the command, turn on the err led,...
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Operation accumulated status, status, and fault registers 46 operating manual for gpib for xpd series power supply accumulated status, status, and fault registers the gpib option card uses three separate registers which are always active. They are the accumulated status, status, and fault registers....
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Operation error codes release 1.2 47 error codes if the err flag in the accumulated status or fault registers has been activated, an err? Query will return an error number which corresponds to an event described in the following table. The err? Query will also clear the err bit in the register. Tabl...
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Operation troubleshooting 48 operating manual for gpib for xpd series power supply troubleshooting diagnostic leds this section describes the diagnostic leds found on the gpib interface. Computer operating properly (cop) leds the gpib interface provides three diagnostic leds, located at d5, d4, and ...
Page 51: Section 4. Calibration
Release 1.2 49 section 4. Calibration introduction you can calibrate the gpib interface by adjusting the signal levels on the interface card so that they correspond to the expected signal levels on the power supply's main assembly. You may need to recalibrate the interface if you replace parts eithe...
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Calibration voltage mode calibration 50 operating manual for gpib for xpd series power supply voltage mode calibration voltage calibration setup 1. Disconnect the load from the power supply which is to be calibrated. 2. Connect a voltmeter across the power supply’s output terminals. Figure 4.1 volta...
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Calibration voltage mode calibration release 1.2 51 3. Send command vrlo; irlo to the power supply. Wait for the supply to settle. Measure and record the output shown on the external voltmeter. Send vrlo again. 4. Send vrhi; irhi to the supply. Wait for the supply to settle. Measure and record the o...
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Calibration current mode calibration 52 operating manual for gpib for xpd series power supply current mode calibration current calibration setup 1. Disconnect the load from the power supply to be calibrated. 2. Connect a shunt across the supply's output terminals. 3. Connect a voltmeter across the s...
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Calibration current mode calibration release 1.2 53 current readback calibration procedure 1. Connect the current shunt and voltmeter to the power supply as shown in figure 4.2. 2. Activate calibration mode by sending command cmode on or cmode 1 to the power supply. 3. Send command irlo; vrlo to the...
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Calibration over voltage protection (ovp) calibration 54 operating manual for gpib for xpd series power supply over voltage protection (ovp) calibration we recommend that you perform ovp calibration every six months. Connecting a digital voltmeter as in “voltage calibration setup” is optional. 1. Di...
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Xantrex technology inc. 8999 nelson way burnaby, british columbia canada v5a 4b5 604 422 8595 tel 604 421 3056 fax 800 667 8422 toll free north america prg.Info@xantrex.Com www.Xantrex.Com tm-gppd-01xn printed in canada.