Xantrex Technology GPIB-XPD manual

Operating Manual Internal GPIB Interface for XPD Series Programmable DC Power Supply GPIB-XPD[...]

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Operating Manual for Internal GPIB Interface for XPD 500 Watt Series Programmable DC Power Supply[...]

ii Operating Manual for GPIB for XPD Series Power Supply Limited W arranty What does this warranty cover and how long does it last? This Limited W arranty is provid ed by Xantrex T echnology , Inc. (“Xantrex”) and covers defects in workmanship and materials in your GPIB Interface Car d . This warranty lasts for a W arranty Period of 5 years fro[...]

Release 1.2 iii Direct returns may be performed accordi ng to the Xantrex Return Material Authorization Policy described in your pr oduct manu al. 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 repaired at one of these facilities. In any warranty[...]

iv Operating Manual for GPIB for XPD Series Power Supply Disclaimer Product THIS LIMITED W ARRANTY IS THE SOLE AND EXCLUSIVE W ARRANTY PROVIDED BY XANTREX IN CONNECTION WITH YO UR XANTREX PRODUCT AND IS, WHERE PERMIT TED BY LAW , IN LIEU OF ALL OTHER W ARRANTIES, CONDITIONS , GUARANTEES, REPRESENT A TIO NS, OBLI GA TIONS AND LIABILITIES, EXPRESS OR[...]

Release 1.2 v Information WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, UNLESS SPECIFICALL Y AGREED TO BY IT IN WRITING, XANTREX a. MAKES NO W ARRANTY AS TO THE ACCU RACY , SUFFICIENCY OR SUIT ABILITY OF ANY TECHNICAL OR O THER INFORMA TION PROVIDED IN MANUALS OR OT HER DOCUMENT A TION PROVIDED BY IT IN CONNECTION WITH THE PRODUCT ; AND b. A SS[...]

vi Operating Manual for GPIB for XPD Series Power Supply Power Supply Safety W arnings, Cautions, and Notes W arnings, cautions, and notes are defined and formatted in this manual as shown below . W ARNING—High Energy and High V oltage Exercise caution when using and calibrating a power supply . High energy levels can be stored at the output volt[...]

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 outpu t power supplies. This manual pr ovides you with descriptions and specif ications, user options, and co nfiguration instructions, in addition to a command set wh ich enables you to manage the po[...]

About This Manu al viii Operating Manual for GPIB for XPD Series Power Supply[...]

Release 1.2 ix Contents About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Section 1. Features and Specifications Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Features and Functions . . . . . .[...]

Content s x Operating Manual for GPIB for XPD Series Power Supply Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Diagnostic LEDs . . . . . . . . [...]

Release 1.2 11 Section 1. Features and S pecifications Description The internal GPIB interface card allows you to operate your power supply from a computer controller via the IEEE-488 commun ications bus. See Figure 1.1, “Sample Configuration using GPIB Interface”. The GPIB interface allows co mplete remote programming of your power supply , in[...]

Features and Specifications Features and Functions 12 Operating Manual for GPIB for XPD Series Power Supply Features and Functions Features • 16-bit programming and read back of voltage and current • Programmable soft limits for voltage and current • Programmable over volta ge protection with reset • Easy-to-use, self-docum enting command s[...]

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. T able 1.1 S pecifications for X PD 500 W Series Su pply with GP IB Interface Installed Models 7.5-67 18-30 33-16 60-9 120-4.5 [...]

Features and Specifications Specifications 14 Operating Manual for GPIB for XPD Series Power Supply[...]

Release 1.2 15 Section 2. Inst allation and Configuration Introduction T o use this product, you must have the following equipment: • a compatible model of DC output power suppl y • IEEE-488 connector and cable • computer with an IEEE-488 interface • Computer-based communications software package W e usually install the GPIB interfa ce in a[...]

Installa tion and Configuration Initial Inspection 16 Operating Manual for GPIB for XPD Series Power Supply Figure 2.1 Power Supply Front Panel wit h GPIB Interface Installed ! CAUTION Use proper static control techniques to av oid damage to static-sensitive components on the printed circuit board. Service Request LED (SRQ) Comes on at power up if [...]

Inst allation and Configuration Initial Inspection Release 1.2 17 Figure 2.2 GPIB Interfac e Subplate (Located on Power Supply Rear Panel) ! CAUTION Use proper static control techniques to av oid damage to static-sensitive components on the printed circuit board S1 Switch 1 Remote/Local S tartup 2 Power On Service Req ues (Enable/Disabl e) 3 Not Us[...]

Installa tion 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 T TL shutdown (S/D) selection [1-2] User TTL S/D line active low . See page 27. [2-3] [defa[...]

Inst allation 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 mo re information, each step refers to more detailed procedures located in s[...]

Installa tion 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 supp ly: Choose a number between 0 and 30 which is unique to your IEEE-488 bus, tha t is, different from other device addresses on the same bus. 2. L[...]

Inst allation 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 GP IB subplate rear panel S1 switch. Enabling the SRQ switch caus e s the power supply to send a service request to the computer cont roller when the po wer supply is turned[...]

Installa tion 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 co ntrol is at the front panel. During an operating session, you can toggle between local mode and remote mode by sending commands as[...]

Inst allation and Configuration IEEE-488 Controller Connection Release 1.2 23 T o return to remote mode, e nsure 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 level are set with controls located on the front[...]

Installa tion and Configuration Internal PCB Jum per 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 po tentiometer . The default OVP trip level is set as 1 1 0% of the power supply's rated ou tput voltage. See T[...]

Inst allation and Configuration User Signals Release 1.2 25 T able 2.7 Switch Settings for TTL Shutdown Circuit Lo gic User Signals Connector J21 User Signals Auxiliary connector J21, loca ted on the GPIB interface rear panel, provides several signals to increase your operating cont rol of the s upply . These signals are dependent o n the operator&[...]

Installa tion 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 shutdo wn input signal (See “TTL Shutdown”) J21-2 Polarity signal, open collector (asserted by VSET -x) J21-3 Isolation signal, open collector (asserted by OUT OFF) J21-4 Fault signal, op[...]

Inst allation and Configuration User Signals Release 1.2 27 Figure 2.5 J21 User Signal Con nector Circuit Block Diagram J21 Cable Connection Use a standard 8-position telephone jack an d data cable to connect to J21. Add a ferrite block to reduce radiated emission . The one inch square ferrite block with built-in housing clip is pack aged and shipp[...]

Installa tion 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 T o User Custom Interface T o J21 Connector[...]

Release 1.2 29 Section 3. Operation Introduction This section covers GPIB interface progra mming, starting with IEEE-488 functions, continuing with an extensive set of de vice-depen dent commands, and, finally , providing error codes, and status and fault register information. GPIB Operation A GPIB interface controller card enables yo u to control [...]

Operation GPIB Operation 30 Operating Manual for GPIB for XPD Series Power Supply Ta b l e 3 . 1 IEEE-488.1 Interface F unctions Implemented Multiline Control Functions The GPIB interface and the computer cont roller implement the Acceptor Handshake, Source Handshake, Listener , and T alker fu nctions. No user actio n is required. The unit's A[...]

Operation GPIB Operation Release 1.2 31 Device T rigger Device T rigger will implement the most recently programmed values whether the unit is in local or remote co ntrol. 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 rigge r is typically used to synchronize the o[...]

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: T able 3.2 Serial Poll S tatus Register ibrsp Return serial poll byte. Bit Position Decimal Wei g ht Description Reset By 0[...]

Operation Command Syntax Release 1.2 33 Command Synt ax Manual Conventions The manual use s these convention s when displaying command informatio n. These characters are not part of the command but are used to denote parame ters used with the command. Command Format and Parameters The device-dependent language for the GPIB Interface consists of com[...]

Operation Command Syntax 34 Operating Manual for GPIB for XPD Series Power Supply • Use commas between parameters in th ose commands with more than one parameter , and between mnemonic para meters as in the MASK and UNMASK commands. Only one comma is allowed and it may be preceded or followed by any number of spaces. Example: M ASK CV , OV , FOLD[...]

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 T erminators T erminators indicate the end of a command string and tell the power supply to execute the command. The termina tion character is L[...]

Operation Command Summary 36 Operating Manual for GPIB for XPD Series Power Supply Command Summary Use these commands to control the opera tion of the supply . They are listed here in order of function such as PROGRAMMING , QUER Y , CALIBRA TION, and ST A TUS commands. See “Command Refe rence” on page 39 for more detailed information about each[...]

Operation Command Summary Release 1.2 37 T able 3.6 Query Commands Command Description AUXA? A sks for the state of the set value for the AUXA command AUXB? A sks for the state of the set value for the AUXB command CMODE? Asks for the power supply’ s calibration mode status. DL Y? Asks for the programmable time delay setting before the supply rep[...]

Operation Command Summary 38 Operating Manual for GPIB for XPD Series Power Supply T able 3.7 Calibration Commands T able 3.8 S tatus Commands Command Description CMODE P laces the supply into calibration mode. IDA T A Calculates the slope and intercept for current programming. IHI Sets the current output to the high calibration point. ILO Sets the[...]

Operation Command Reference Release 1.2 39 Command Reference T able 3.9 Command Refere nce Command Description ASTS? Asks for the supply’s accumulated st atus register . The accumulated status register stores any bit that was entered in the status register since the accumulated status query command (ASTS?) was last used, regardless of whether the[...]

Operation Command Reference 40 Operating Manual for GPIB for XPD Series Power Supply Command Description DL Y <seconds> 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 or ISET , or after receiving RST [...]

Operation Command Reference Release 1.2 41 Command Description FOLD? Asks for the supply’s present foldback setting. Response: FOLD <mode> where mode is: 0 (OFF) or 1 (CV or Constant V oltage mode) or 2 (CC or Constant Current mode) HOLD <1/ON>,<0/OFF> Enables or disables voltage/current setting hold mode for the supply . When H[...]

Operation Command Reference 42 Operating Manual for GPIB for XPD Series Power Supply Command Description IRDA T <Ilo>,<Ihi> Calculates and records the slope and of fset for readback voltage using IRLO and IRHI data. Se t CMODE ON before using this command. See also the calibration procedures in Section 4. <Ilo> and <Ihi> are[...]

Operation Command Reference Release 1.2 43 Command Description OVCAL Causes the master controller to perform automatic calibration of the supply’s over volt age protection circuitry . Set CMODE O N before using this command. Ensure jumper J2 on the GPIB Interface PCB is connected for remote operation. OVSET <voltage> Sets the supply’ s ov[...]

Operation Command Reference 44 Operating Manual for GPIB for XPD Series Power Supply Command Description TRG Implements programmed voltage an d current settings which had been in hold mode. The supply operates with previous values until the TRG (trigger) command is sent. UNMASK <mnemonics> Enables you to select the s upply operating condition[...]

Operation Command Reference Release 1.2 45 Command Description VMAX <voltage> Sets an upper sof t limit on the supply’s programmed output volt age. If the soft limit is exceeded, or if the sof t limit value is lower than the present output voltage setting, the supply will ignore the command, turn on the ERR LED, and set the ERR bit in the a[...]

Operation Accumulated Status, S tatus, and Fault Registers 46 Operating Manual for GPIB for XPD Series Power Supply Accumulated S t atus, S t atus, and Fault Registers The GPIB option card uses three separate registe rs which are always active. They are the accumulated status, status, and fault registers. Y ou can use the status commands shown in T[...]

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 . T able 3.1 1 Error Codes ERROR # ERROR IDENTIFICA TIO[...]

Operation T roubleshooting 48 Operating Manual for GPIB for XPD Series Power Supply T roubleshooting 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 D1 on its PCB. Refer to Figure 2.3, ‘GPIB Int[...]

Release 1.2 49 Section 4. Calibration Introduction Y ou can calibrate the GPIB interface by adjusting the signal levels on the interface card so that they correspond to the expec ted signal levels on the power supply's main assembly . Y ou may need to recalibrate the in terface if you replace parts either on the interface board or on the main [...]

Calibration V oltage Mode Calibration 50 Operating Manual for GPIB for XPD Series Power Supply V olt age Mode Calibration V oltage Calibration Setup 1. Disconnect the load from the power su pply which is to be calibrated. 2. Connect a voltmeter across the po wer supply’ s output terminals. Figure 4.1 V oltage Calibration Setup V oltage Program Ca[...]

Calibration V oltage Mode Calibration Release 1.2 51 3. Send command VRLO; IRLO to the power supply . W ait for the supply to settle. Measure and record the output shown on the external voltmeter . Send V RLO again. 4. Send VRHI; IRHI to the supply . W ait for the supply to settle. Measure and record the output voltage shown on the external voltmet[...]

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 po wer supply to be calibrated. 2. Connect a shunt across the supply's output terminals. 3. Connect a voltmeter across the shunt. Figure 4.2 Current Calibration Setup C[...]

Calibration Current Mode Calibration Release 1.2 53 Current Readback Calibration Procedure 1. Connect the current sh unt and voltmeter to the power supply as shown in Figure 4.2. 2. Activate calibration mode by sendi ng command CMODE ON or CMODE 1 to the power supply . 3. Send command IRLO; VRLO to the power supply . W ait for the supply to settle.[...]

Calibration Over V oltage Protection (OVP) Calibration 54 Operating Manual for GPIB for XPD Series Power Supply Over V oltage Protection (OVP) Calibration W e recommend that you perform OVP ca libration every six mon ths. Connecting a digital voltmeter as in “V oltage Calibration Setu p” is optional. 1. Disconnect all loads from the power suppl[...]

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Xantrex Technology Inc. 8999 Nelson W ay Burnaby , British Columbia Canada V5A 4B5 604 422 8595 T el 604 421 3056 F ax 800 667 8422 T oll Free North America prg.info@xantrex.com www .xant rex.com TM-GPPD-01XN PRINTED IN CANADA[...]