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Manual Xantrex GPIB-M-HPD

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  • Xantrex GPIB-M-HPD - page 1

    Operating Manual Internal GPIB-M Interface: Multichannel Functionality for Programmable DC Power Supplies GPIB-M-XPD GPIB-M-XT GPIB-M-HPD GPIB-M-XHR GPIB-M-XFR GPIB-M-XFR3 ...

  • Xantrex GPIB-M-HPD - page 2

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  • Xantrex GPIB-M-HPD - page 3

    Operating Manual for Internal GPIB-M Interface: Multichannel Functionality for Programmable DC Power Supplies ...

  • Xantrex GPIB-M-HPD - page 4

    ii Operating Manual for Multichannel Functiona lity (GPIB-M) Limited W arranty What does this warranty cover and how long do es it last? This Limited W arranty is pro vided by Xantrex T echnology , Inc. (“Xantrex”) and covers defects in workmanship and materials in yo ur GPIB-M Interface C ard . This warranty lasts for a W arranty Period of 5 y ...

  • Xantrex GPIB-M-HPD - page 5

    Release 2.1 iii Direct returns may be performed accordi ng to the Xantrex Return Material Authorization Policy describ ed in your pr oduct 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 repaired at one of these facilities. In any warranty ...

  • Xantrex GPIB-M-HPD - page 6

    iv Operating Manual for Multichannel Functiona lity (GPIB-M) 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 LA W , IN LIEU OF ALL OTHER W ARRANT IES, CONDITIONS, GUARANTEES, REPRESENT A TIONS, OBLI GA TIONS AND LIABILITIES, EXPRES ...

  • Xantrex GPIB-M-HPD - page 7

    Release 2.1 v Information WITHOUT LIMITING THE GENERA LITY OF THE FOREGOING, UNL ESS SPECIFICALL Y AGREED T O BY IT IN WRI TING, 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 O THER DOCUMENT A TION PROVIDED BY IT IN CONNECTION WITH THE PRODUCT ; AND b. ...

  • Xantrex GPIB-M-HPD - page 8

    vi Operating Manual for Multichannel F unctionality (GPIB-M) 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 Ener gy and High V olt age Exercise caution when using and calibrating a power supply . High energy levels can be stored at the outpu ...

  • Xantrex GPIB-M-HPD - page 9

    Release 2.1 vii About This Manual This operating manual is for the inte rnal Multi channel In terface (GPIB-M), a microprocessor -controlled option card for your DC output power supply . This manual provides you with descriptions and specifications, user options, and configuration instructions, in addition to a command set which enables you to mana ...

  • Xantrex GPIB-M-HPD - page 10

    About This Manu al viii Operating Manual for Multichannel Functiona lity (GPIB-M) Appendix B SCPI Command Reference Describes the Standard Commands for Programmable Instrume nts (SCPI) command s supported by vario us products with the Multichannel Interface installed. Appendix C Error Messages Describes the error message s that could appear during ...

  • Xantrex GPIB-M-HPD - page 11

    Release 2.1 ix Table of Contents About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii i List of Figures . . . . . . . . . . . . . . . . . . . . . . . ...

  • Xantrex GPIB-M-HPD - page 12

    x Operating Manual for Multichannel Functiona lity (GPIB-M) Power Supply Regulation Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Constant Voltage (CV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Constant Current (CC) . . . . . . . . . . . . . . . . . . . . . . ...

  • Xantrex GPIB-M-HPD - page 13

    Release 2.1 xi SHUTdown Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Protection SHUTdown Sub-Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Remote CONtrol Sub-Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Current SHare Sub- ...

  • Xantrex GPIB-M-HPD - page 14

    xii Operating Manual for Multichannel Functiona lity (GPIB-M) Appendix B. SCPI Command Reference Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Codes and Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 IEEE 4 ...

  • Xantrex GPIB-M-HPD - page 15

    Release 2.1 xiii List of Tables Table 1.1 Specifications for HPD 300 W with GPIB-M or CANbus . . . . . . . . . . . 19 Table 1.2 Specifications for XFR 1200 W with GPIB-M or CANbus . . . . . . . . . . 20 Table 1.3 Specifications for XFR 2800 W with GPIB-M or CANbus . . . . . . . . . . 21 Table 1.4 Specifications fo r XHR 1000 W with GPIB-M or CANbus ...

  • Xantrex GPIB-M-HPD - page 16

    List of T ables xiv Operating Manual for Multichannel Functiona lity (GPIB-M) Table B.11 Protection Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Table B.12 User Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Table B.13 Output State . . . . . . . . . . . . . . ...

  • Xantrex GPIB-M-HPD - page 17

    Release 2.1 xv List of Figures Figure 2.1 XFR and XHR Po wer Supply Front Panel with GPIB-M Interface . . . . 26 Figure 2.2 XPD Power Supply Front Panel with GPIB Inte rface. . . . . . . . . . . . . . 27 Figure 2.3 XT and HPD Power Supply Front Panel with GPIB Interface . . . . . . . 27 Figure 2.4 XFR 2800 Watt Power Supply Rear Panel with GPIB-M I ...

  • Xantrex GPIB-M-HPD - page 18

    List of Figures xvi Operating Manual for Multichannel Functiona lity (GPIB-M) ...

  • Xantrex GPIB-M-HPD - page 19

    Release 2.1 17 Section 1. Features and S pecifications Description The internal GPIB-M interface card allows you to operate your power su pply from a computer controller via the IEEE-488 communications bus. The GPIB-M interface allows complete re mote programming of your power supp ly , including status reporting, settings quer y , and service requ ...

  • Xantrex GPIB-M-HPD - page 20

    Features and Specifications Features and Functions 18 Operating Manual for Multichannel Functiona lity (GPIB-M) Programma ble Funct ions • Output voltage and current • Soft limits for vo ltage and current • Overvoltage protection • Output enable/disable • T en, 99-step auto sequences for eas y programming of comp lex test routines • T e ...

  • Xantrex GPIB-M-HPD - page 21

    Features and Specifications Specifications Release 2.1 19 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 a ble 1.1 S pec ifications for HPD 300 W with GPIB-M or CANbus Models 15-20 30-10 60-5 Program Resolution V oltage Current 2. ...

  • Xantrex GPIB-M-HPD - page 22

    Features and Specifications Specifications 20 Operating Manual for Multichannel Functiona lity (GPIB-M) Ta b l e 1 . 2 S pecifications for XFR 1200 W with GPIB-M or CANbus Models 7.5-140 12-100 20-60 35-35 40-30 Program Resolution V oltage Current 1.16mV 19.6m A 1.8mV 14mA 3.08mV 8.4mA 5.4mV 5.4mA 6.2mV 4.2mA Program Accuracy 1 V oltage Current 10m ...

  • Xantrex GPIB-M-HPD - page 23

    Features and Specifications Specifications Release 2.1 21 T a ble 1.3 S pecif ications for XFR 2800 W with GPIB-M or CANbus Models 7.5-300 12-220 20-130 33-85 40-70 Program Resolution V oltage Current 1.16mV 42.0m A 1.8mV 30.8mA 3.08mV 18.2mA 5.1mV 13.0mA 6.2mV 9.8mA Program Accuracy 1 V oltage Current 10mV ±0.12% 900mA ±0.1% 50mV ±0.12% 750mA ? ...

  • Xantrex GPIB-M-HPD - page 24

    Features and Specifications Specifications 22 Operating Manual for Multichannel Functiona lity (GPIB-M) Ta b l e 1 . 4 S pecifications for XHR 1000 W with GPIB-M or CANbus Models 7.5-130 20-50 33-33 40-25 60-18 Program Resolution V oltage Current 1.16mV 42.0m A 1.8mV 30.8mA 3.08mV 18.2mA 6.2mV 9.8mA 9.2mV 6.44mA Program Accuracy 1 V oltage Current ...

  • Xantrex GPIB-M-HPD - page 25

    Features and Specifications Specifications Release 2.1 23 T a ble 1.5 S pecifications for XPD 500 W with GPIB-M or CANbus T a ble 1.6 S pecifications for XT 60 W with GPIB-M or CANbus Models 7.5-67 18-30 33-16 60-9 120-4.5 Program Resolution V oltage Current 1.2mV 5.2mA 4.6mV 3.6mA 5.1mV 2.9mA 9.3mV 1.3mA 18.6mV 0.7mA Program Accuracy 1 V oltage Cu ...

  • Xantrex GPIB-M-HPD - page 26

    Features and Specifications Specifications 24 Operating Manual for Multichannel Functiona lity (GPIB-M) ...

  • Xantrex GPIB-M-HPD - page 27

    Release 2.1 25 Section 2. Inst allation and Configuration Introduction T o use this product, you must have the following equ ipment: • a compatible model of DC output power su pply • IEEE-488 connector and cable • computer with an IEEE-488 interface card • Computer-based communications software package • parallel CANbus cables (t o connec ...

  • Xantrex GPIB-M-HPD - page 28

    Inst allation and Configuration Initial Inspection 26 Operating Manual for Multichannel Functiona lity (GPIB-M) Figure 2.1 XFR and XHR Power Supply Fron t P anel with GPIB-M Interface (XFR 1200 W att mo del shown) ! CAUTION Use proper static control techniques to av oid dama ge to static-sensitive components on the printed circuit board. Address LE ...

  • Xantrex GPIB-M-HPD - page 29

    Inst allation and Configuration Initial Inspectio n Release 2.1 27 Figure 2.2 XPD Power Supply Front Pa nel with GPIB Interface Figure 2.3 XT and HPD Power Supply Front Panel with GPIB Interface Service Request LED (SRQ) Remote LED (REM) Shutdown LED (S/D ) Remote Mode (REM) LED Service Request (SRQ) LED Over V oltage Protection (OVP) LED OVP Poten ...

  • Xantrex GPIB-M-HPD - page 30

    Inst allation and Configuration Initial Inspection 28 Operating Manual for Multichannel Functiona lity (GPIB-M) Figure 2.4 XFR 2800 W att Power Supp ly Rear Panel with GPIB-M In terface Figure 2.5 XFR 1200 W att Power Supp ly Rear Panel with GPIB-M In terface 1 GPIB CANBUS USER LINES 1 CANBUS GPIB USER LINES ...

  • Xantrex GPIB-M-HPD - page 31

    Inst allation and Configuration Initial Inspectio n Release 2.1 29 Figure 2.6 XHR Power Supply Rear Pane l with GP IB-M Interface Figure 2.7 XPD Power Supply Rear Pa nel with GPIB-M Interfac e GPIB CANBUS USER LINES CANBUS USER LINES GPIB ...

  • Xantrex GPIB-M-HPD - page 32

    Inst allation and Configuration Initial Inspection 30 Operating Manual for Multichannel Functiona lity (GPIB-M) Figure 2.8 XT/HPD Power Supply Rear Panel with GPIB-M Interface ! CAUTION Use proper static control techniques to av oid dama ge to static-sensitive components on the printed circuit board CANBUS USER LINES GPIB ...

  • Xantrex GPIB-M-HPD - page 33

    Inst allation and Configuration Basic Setup Procedure Release 2.1 31 Basic Setup Procedure This procedure can be used as a quic k reference for those familiar with the configuration requirements for the GPIB-M interface as installed in the DC power supply . IEEE-488 Controller Connection Connect the GPIB cable to the supply at connector on the rear ...

  • Xantrex GPIB-M-HPD - page 34

    Inst allation and Configuration Basic Setup Procedure 32 Operating Manual for Multichannel Functiona lity (GPIB-M) Setup Procedure For those who want m ore information, each step refers to more detailed procedures located in subsequent sections. 1. Power ON Power on the unit. 2. Configur e Computer Contro ller Configure the controller to match the ...

  • Xantrex GPIB-M-HPD - page 35

    Inst allation and Configuration Basic Setup Procedure Release 2.1 33 T a ble 2.1 Remote Mode Powe r On Conditions Power On Service Request The Power On Service Request setting cau ses the power supply to send a service request to the computer cont roller wh en the power supply is turned on or when it re-initializes after a momentary power interru p ...

  • Xantrex GPIB-M-HPD - page 36

    Inst allation and Configuration Configure for GPIB Operation 34 Operating Manual for Multichannel Functiona lity (GPIB-M) Configure for GPIB Operation The power supply is ready for GPIB commun ication when it leaves the factory , but you may change any of the control settings . The default remote control setting is GPIB, address 2. Change Remote Co ...

  • Xantrex GPIB-M-HPD - page 37

    Inst allation and Configuration Configure for Multichannel Operation Release 2.1 35 Configure for Multichannel Operation Multichannel Connections Y ou may remotely control up to 50 powe r supplies from one GPIB interface by using multichannel addressing via the CANbus. One power supply will be connected to a PC via GPIB. All other power supplies ar ...

  • Xantrex GPIB-M-HPD - page 38

    Inst allation and Configuration Configure for Multichannel Operation 36 Operating Manual for Multichannel Functiona lity (GPIB-M) CANbus The CANbus port consis ts of two 4-pin modular “h andset” jacks to supp ort daisy chain connections. The CAN (Controller Area Network) is an ISO standard (ISO1 1898) for a serial co mmunication network. Ta b l ...

  • Xantrex GPIB-M-HPD - page 39

    Inst allation and Configuration Configure for Multichannel Operation Release 2.1 37 Setup See Figure 2.10 . 1. Connect power supplies to be controlled via the CANbus networ k. Connect the power supplies in a daisy chain by linki ng the first power supply to the second using one cable, and then th e second to the third using a second cable and the s ...

  • Xantrex GPIB-M-HPD - page 40

    Inst allation and Configuration Configure for Multichannel Operation 38 Operating Manual for Multichannel Functiona lity (GPIB-M) A power supply will attempt to connect to the network: • on power up, and • when the multichannel address is changed. The power supply will successf ully connect if there are no other power supplies on the network wi ...

  • Xantrex GPIB-M-HPD - page 41

    Inst allation and Configuration Configure for Multichannel Operation Release 2.1 39 Broadcasting Commands Y ou can specify a channel address of "0" to broadcast a command to all power supplies connect via CANbus. Broadcast commands are useful in set up and operation. Example: Set all power supplies to remote mode: SYST0:REM:STAT REM T urn ...

  • Xantrex GPIB-M-HPD - page 42

    Inst allation and Configuration User Lines 40 Operating Manual for Multichannel Functiona lity (GPIB-M) User Lines The user lines connector , locat ed on the GPIB-M interface rear panel, provides several signals to increase your operat ing control of the supply . These signals are dependent on the operator's design and uses. The operatio n of ...

  • Xantrex GPIB-M-HPD - page 43

    Inst allation and Configuration User Lines Release 2.1 41 User Lines Connection (XT , HPD, XPD) Figure 2.1 1 User Signals Co nnector (XT , HPD and XPD) Use a standard 8- connector RJ45 connector and data cable to connect to the user lines. Add a ferrite block to reduce radiated em issi on. The one inch square ferrite block with built-in housing cli ...

  • Xantrex GPIB-M-HPD - page 44

    Inst allation and Configuration User Lines 42 Operating Manual for Multichannel Functiona lity (GPIB-M) Figure 2.13 Schematic For User Line Interface Vf = 1.3V TYP, 1.5V MAX If = 10mA Recommended, 90mA MAX CNY17-2 CNY17-2 508 Ohm 0.4W 508 Ohm 0.4W CNY17-2 CHASSIS POTENTIAL ISOLATED USER LINES CNY17-2 USER LINE S ...

  • Xantrex GPIB-M-HPD - page 45

    Release 2.1 43 Section 3. Operation Overview Once you have installed the p ower supply and connected b oth the AC input power and the load as explained in Section 2 , the power supply is in its default configuration and is ready for oper ation. One power supply must be connected via GPIB. Additional units may be controlled via the CANbus port whic ...

  • Xantrex GPIB-M-HPD - page 46

    Operation Power Supply Operating States 44 Operating Manual for Multichannel Functiona lity (GPIB-M) Power Supply Operating St ates The power supply has 5 operating states: • Power-On • Output Shutdown • Soft S tart • Normal Operation • Calibration Power-On This is the period between the time that AC power is applied to the supply (AC bre ...

  • Xantrex GPIB-M-HPD - page 47

    Operation Power Supply Regulation Modes Release 2.1 45 Power Supply Regulation Modes The power supply has 2 regulation modes while in the Normal Operation S tate: • Constant V oltage (CV) • Constant Current (CC) The CV , CC LEDs on the front pa nel indicate the regu lation mode. Const ant V oltage (CV) In this mode, the supply’ s output volta ...

  • Xantrex GPIB-M-HPD - page 48

    Operation Remote Control Modes 46 Operating Manual for Multichannel Functiona lity (GPIB-M) Remote Control Modes The power supply must be in remote mode to execute commands. The remote mode is indicated by the front panel remote st atus LED. A power su pply will respond to queries when in local mode, but will genera te an error when a command is re ...

  • Xantrex GPIB-M-HPD - page 49

    Operation Front Panel LEDs Release 2.1 47 Front Panel LEDs The status LEDs on the front panel give an i nstant indication to the status of the power supply . In addition, the XFR and XHR series powe r supplies have the following additional indicators. LED Description REM Unit is operating under remote control. Remote settings apply . SRQ Unit is re ...

  • Xantrex GPIB-M-HPD - page 50

    Operation Power Supply Operation 48 Operating Manual for Multichannel Functiona lity (GPIB-M) Power Supply Operation This section describes how to configure and operate the powe r supply . For a complete list of commands and remote functionality , see Appendix B. “SCPI Command Reference” . Read “Understanding SCPI Commands” on page 99 for a ...

  • Xantrex GPIB-M-HPD - page 51

    Operation Power Supply Operation Release 2.1 49 The functionality of the hardware protectio n circuits (OVP , OTP , ACFail) remains the same in local mode. Power On Remote St ate (XFR/XHR and XPD only) Y o u may set whether the power supp ly powers on in remote or local mode SYST :REM:PON:ST A T <on-of f-state> Enable Output When the output i ...

  • Xantrex GPIB-M-HPD - page 52

    Operation Power Supply Operation 50 Operating Manual for Multichannel Functiona lity (GPIB-M) Readback T o chec k the voltage or current o utput of the power supply , use the com mands: MEAS:VOLT? MEAS:CURR? Units are in volts and amps, respe ctively . Example: T o set voltage to 5.5V and curre nt limit to 100A, send the command: : VOLT 5.5; :CURR ...

  • Xantrex GPIB-M-HPD - page 53

    Operation Power Supply Operation Release 2.1 51 Configure Output Protection Five configurable protection mechanisms are available: • OVP: Over-V oltage Protection . Factory default = 0V (disabled) • UVP: Under -V oltage Protection. Factory default = 0V (disabled) • OCP: Over-Current Protect ion. Factory default = 0A (disabled) • UCP: Under- ...

  • Xantrex GPIB-M-HPD - page 54

    Operation Power Supply Operation 52 Operating Manual for Multichannel Functiona lity (GPIB-M) OVP The over voltag e protection le vel is set with a command for remote mode and with the front panel potentiometer for local mo de. If operating in remote mode, and the OVP is disabled by setting the trip level to 0, a second hardware OVP circuit, fixed ...

  • Xantrex GPIB-M-HPD - page 55

    Operation Power Supply Operation Release 2.1 53 Additional Protections Other protection mechanisms designed to protect the power supply are: • AC Off: Disables the output if the AC line drops below the acceptable range. • Sense Protection: Disables the output wh en the internal sense circuit is tripped by either reversed pol arity at the out pu ...

  • Xantrex GPIB-M-HPD - page 56

    Operation Power Supply Operation 54 Operating Manual for Multichannel Functiona lity (GPIB-M) Clear Protection Event If the unit has shut down, resume operation by sending the " OUTP ON " command. T o support older revisions of firmware (1 .5 and older), [:]OUTPut[<channel>]:PROTe ction:CLEar command will still be parsed and passed ...

  • Xantrex GPIB-M-HPD - page 57

    Operation Power Supply Operation Release 2.1 55 User Settings (Save and Recall) If you have a frequent or constant need fo r a specific voltage and current output, you can save these setpoints in the power supply’ s memory as a user setting. Once a setting is stored, it remains in the power s upply’ s memory after the unit is powered off. T en ...

  • Xantrex GPIB-M-HPD - page 58

    Operation Power Supply Operation 56 Operating Manual for Multichannel Functiona lity (GPIB-M) This will save factory default settings to a user setting location, replacing any setting that was previously saved there. Example: T o save settings, set up the power supply with all required settings (we recommend that you do this right after r ecalling ...

  • Xantrex GPIB-M-HPD - page 59

    Operation Power Supply Operation Release 2.1 57 Power On Output S t ate (XFR/XHR only) Y ou may also change the ou tput state whether the output is enabled or disabled at power on . T o change the power on at output state: OUTP:PON:STAT [ON|OFF|1|0] Whether the unit powers on with output en abled is a function of both the state at power of f and th ...

  • Xantrex GPIB-M-HPD - page 60

    Operation Power Supply Operation 58 Operating Manual for Multichannel Functiona lity (GPIB-M) Read Error Messages The error queue holds up to 50 error messag es. Once each mess age has been read, it is cleared from the system. T o r ead from the err or queue: SYST:ERR? This command returns an error code and message from the error queue. For example ...

  • Xantrex GPIB-M-HPD - page 61

    Operation Power Supply Operation Release 2.1 59 T o set up Auxili ary line A: OUTP:AUXA:SOUR <aux-line-m nemonic> T o set up Auxili ary line B: OUTP:AUXB:SOUR <aux-line-m nemonic> The choices for <aux-line -mnemonic> are listed above. T o check the state of the line: OUTP:AUXA:STAT? OUTP:AUXB:STAT? This command returns a 1 or 0 . ...

  • Xantrex GPIB-M-HPD - page 62

    Operation Auto Sequencing 60 Operating Manual for Multichannel Functiona lity (GPIB-M) Auto Sequencing Auto Sequencing allows users to program a sequence for automated operation. Up to 10 program mable sequence s may be st ored with up to 99 steps per s equence. Each step can be programmed to set the voltage setpoint, curre nt setpoint, and OVP lev ...

  • Xantrex GPIB-M-HPD - page 63

    Operation Auto Sequencing Release 2.1 61 Editing the Seque nce T o edit an existing step or to prog ra m new steps, use the following commands: PROG:STEP<step_number>[:ED IT] [[[[<voltage>] ,<current>],<OVP_level>],{ <time>|TRIG}] Any of the step parameters may be omitted, in which case the default parameters will be u ...

  • Xantrex GPIB-M-HPD - page 64

    Operation Auto Sequencing 62 Operating Manual for Multichannel Functiona lity (GPIB-M) Setting Sequence Repetitions Set the number of times a sequence will repeat before stopping execution. PROG:REP {ONCE |<sequence_ count>|FOR|INF} • ONCE will run the sequence once and return it to its STOP condit ion. • <sequence_count> ranges fro ...

  • Xantrex GPIB-M-HPD - page 65

    Operation Auto Sequencing Release 2.1 63 Querying the number of step s T o que ry the number of steps that have been programmed: PROGram:STEP:COUNt? Deleting a Sequence Deleting Sequences If you no longer need a sequence, select it with the PROG:NAME command and then delete it with the following: PROGram:DELete Y ou can also use the following to de ...

  • Xantrex GPIB-M-HPD - page 66

    Operation Auto Sequencing 64 Operating Manual for Multichannel Functiona lity (GPIB-M) Operation T o run, stop or pause a se qu ence, use the fo llowing command: PROGram:STATe [RUN|PAUSe|S TOP] • Once the programmed sequence has been selected, you can start it by setting the state to RUN, b y sending the comm and PROG:STA T RUN . • At any time ...

  • Xantrex GPIB-M-HPD - page 67

    Operation Auto Sequencing Release 2.1 65 Set V , I, and P Limit s The voltage, current a nd power setpoints can be limited to less than the supply rating range to match the tolerance of connected equipment or any o ther criteria you may have. Once the limits have been changed from th e supply’ s default rated output, settings outside this range a ...

  • Xantrex GPIB-M-HPD - page 68

    Operation Auto Sequencing 66 Operating Manual for Multichannel Functiona lity (GPIB-M) T riggering Commands T riggers are event-driven signals that instruct power supplies to change their output. T riggering provides a method to control chan ges in the power supp ly’ s output and to program several power supplies to react at the same time. T rigg ...

  • Xantrex GPIB-M-HPD - page 69

    Operation Auto Sequencing Release 2.1 67 Slew Rate The slew rate is calculated as a func tion of change in the output voltage and a g iven time interval. The maximum slew rate is 1% rated voltage/150us. The slew rate is saved upon power of f and restored at power on. Output ON/OFF and shutdown are not affected by the programmable slew ra te. These ...

  • Xantrex GPIB-M-HPD - page 70

    Operation Auto Sequencing 68 Operating Manual for Multichannel Functiona lity (GPIB-M) Example: Set a slew rate of 100V/10s for a 100V -60A power supply . This slew rate is 1V/0.1s, which is within the acceptable range. Send the commands: “:VOLT:SLEW:STEP 1” , and “:VOLT:SLEW:INT 100ms” Using smaller steps will result in a smoother curve. I ...

  • Xantrex GPIB-M-HPD - page 71

    Release 2.1 69 Section 4. S t atus Registers Overview The S tatus Register structure is mandat ory for SCPI and IEEE 488.2 compliance. The register bits are defined by the SCPI and IEEE 488.2 standards. Each status register has a Condition, Event, and Enable register and transition filters. See “S tatus Register Commands” on page 81 for command ...

  • Xantrex GPIB-M-HPD - page 72

    St atus Registers Overview 70 Operating Manual for Multichannel Functiona lity (GPIB-M) The Operation Status data structure ha s the operation status register and 5 sub-registers to represent regulation, shutdown, protection shutdown, remote control, and cu rrent sharing modes. Each of the sub-registers is summarized in a summary bit. Figure repres ...

  • Xantrex GPIB-M-HPD - page 73

    St atus Registers Overview Release 2.1 71 Figure 4.1 Operation S tatus Registers PROTec tion Summa ry INTer lock CO MMan d Not Used 1 0 3 2 5 4 7 6 9 8 11 10 13 12 15 14 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used + STATus:OPER ation:SHU Tdown Reserved Reserved GPIB Cont rol GPIB Contr ...

  • Xantrex GPIB-M-HPD - page 74

    St atus Registers Overview 72 Operating Manual for Multichannel Functiona lity (GPIB-M) T a ble 4.1 OPERation S tatus Register REGulating Sub-Register This describes the regulating mode. If none of these bits is active, t he output unregulated (UNRegulated) bit is active in the questionable status register . T a ble 4.2 REGulating Sub-Register Bit ...

  • Xantrex GPIB-M-HPD - page 75

    St atus Registers Overview Release 2.1 73 SHUTdown Sub-Register The Shutdown sub-register indicates the cause of the p ower supply shutdown. More than one bit may be active, and multiple actio ns will be required to enable the output. The protection sh utdown sub-register indi cates which protection mechanisms have caused the power supply to shutdo ...

  • Xantrex GPIB-M-HPD - page 76

    St atus Registers Overview 74 Operating Manual for Multichannel Functiona lity (GPIB-M) T a ble 4.5 Remote CONtrol Sub-Register Current SHare Sub-Register This register shows the state of the curre nt share configurat ion, which can be set through the SCPI command SOURce:COMBine:CSHare:MODE. T a ble 4.6 Current SHare Sub- Register QUES tionable Sta ...

  • Xantrex GPIB-M-HPD - page 77

    St atus Registers Overview Release 2.1 75 Figure 4.2 Questionable S tatus Regi sters Not Us ed VOLTage Summary CURRent Summary 1 0 3 2 5 4 7 6 9 8 11 10 13 12 15 14 Over T empe rature Not Us ed Not Us ed Not Us ed Not Us ed Not Us ed UNRegulated Not Us ed Not Us ed AC Fail CALibration Not Us ed + Over VOLtage Under VOLtage 1 0 3 2 5 4 7 6 9 8 11 10 ...

  • Xantrex GPIB-M-HPD - page 78

    St atus Registers Overview 76 Operating Manual for Multichannel Functiona lity (GPIB-M) T a ble 4.7 QUES tionable S tatus Registe r VOL T age Sub-Register This shows whether the present voltage level is over or under the specified trip limit. T a ble 4.8 VOL T age Sub-Register Bit Bit Weight Bit Name Description 0 1 VOL T age Summary Reflects a sum ...

  • Xantrex GPIB-M-HPD - page 79

    St atus Registers Overview Release 2.1 77 CURRent Sub-Register This shows whether the present current level is over or under the specified trip limit. T a ble 4.9 CURRent Sub- Register St andard Event St atus Register The standard event status register sets bits for specific events during power supply operation. All bits in the standard event st at ...

  • Xantrex GPIB-M-HPD - page 80

    St atus Registers Overview 78 Operating Manual for Multichannel Functiona lity (GPIB-M) T a ble 4.10 S tandard Event S tatus Re gister Bit Bit Weight Bit Name Description 0 1 Operation Complete (OPC) Set if *OPC command has been received and all pending operations have been completed. The message, Event –800 Operation Complete, is loaded into the ...

  • Xantrex GPIB-M-HPD - page 81

    St atus Registers Overview Release 2.1 79 St atus Byte The Status byte register contains the STB and RQS(MSS) messages as defined in 488.1. The user can read the status byte register using a 488.1 serial poll or the 488.2 *STB? common command. If the user sends a serial poll, bit 6 will respond with Request Service (RSQ ). The value of the st atus ...

  • Xantrex GPIB-M-HPD - page 82

    St atus Registers Overview 80 Operating Manual for Multichannel Functiona lity (GPIB-M) Master Summary St atus (MSS) The Master Summary Status message indicates that the power supply has at least one reason for requesting service. Although the MSS message is sent in bit position 5 of the response to *STB?, it is not sent in r esponse to a serial po ...

  • Xantrex GPIB-M-HPD - page 83

    St atus Registers Status Register Commands Release 2.1 81 St atus Register Commands In the following sections <s tatus-enable> is a value from 0 to 32767 representing a 15-bit register mask. SCPI St atus Commands Preset St atus STATus[<channel>]:PRESet Configures the status data structures to ensure that certain events are reported at a ...

  • Xantrex GPIB-M-HPD - page 84

    St atus Registers Status Register Commands 82 Operating Manual for Multichannel Functiona lity (GPIB-M) IEEE 488.2 St atus and Event Commands Clear St atus Command Clears all Event Registe rs, including the St atus Byte, the Standard Event S tatus and the Error Queue. *CLS or the multichannel equivalent: STATus<channel>:CLEar St andard Event ...

  • Xantrex GPIB-M-HPD - page 85

    St atus Registers Status Register Commands Release 2.1 83 T o clear the Service Request Enab le Register send "*SRE 0 ." The Power -on Statu s Clear command also determines if the Service Request Ena ble Register is cleared at power-on. A cleared register does not allow status information to generate a service request. E.g. Sending " ...

  • Xantrex GPIB-M-HPD - page 86

    St atus Registers Status Register Commands 84 Operating Manual for Multichannel Functiona lity (GPIB-M) or the multichannel equivalent ST A T us<channel>:SBYT e[:EVENt]? Power-on S t atus Clear The Power -On St atus Clear comm and contro ls the automatic power -on clearing of the Service Request Enable Register , the S t andard Event Status E ...

  • Xantrex GPIB-M-HPD - page 87

    St atus Registers Status Register Commands Release 2.1 85 Operation St atus Register Commands Query Operation S tatus Register Condition STAT[<channel>]:OPER:COND? Query Operation S tatus Register Event STAT[<channel>]:OPER[:EVEN]? Enable Operation S tatus Register STAT[<channel>]:OPER:ENAB <status -enable> Set Operation S t ...

  • Xantrex GPIB-M-HPD - page 88

    St atus Registers Status Register Commands 86 Operating Manual for Multichannel Functiona lity (GPIB-M) STAT[<channel>]:OPER:SHUT[ :EVEN]? Enable Shutdown Sub- Register STAT[<channel>]:OPER:SHUT: ENAB <status-enable> Set Shutdo wn Positive T ransition Filter STAT[<channel>]:OPER:SHUT: PTR <status-enable> Set Shutdown N ...

  • Xantrex GPIB-M-HPD - page 89

    St atus Registers Status Register Commands Release 2.1 87 Set Remote Contr ol Positive T ransition Filter STAT[<channel>]:OPER:RCON: PTR <status-enable> Set Remote Control Negative T ransition Filter STAT[<channel>]:OPER:RCON: NTR <status-enable> Current Share Sub-Register Commands Query Current Share Register Condition STAT ...

  • Xantrex GPIB-M-HPD - page 90

    St atus Registers Status Register Commands 88 Operating Manual for Multichannel Functiona lity (GPIB-M) V oltage Sub-Register Commands Query V oltage Sub-Register Co ndition STAT[<channel>]:QUES:VOLT: COND? Query V oltage Sub-Register Event STAT[<channel>]:QUES:VOLT[ :EVEN]? Enable V oltage Sub-Register STAT[<channel>]:QUES:VOLT: ...

  • Xantrex GPIB-M-HPD - page 91

    Release 2.1 89 Section 5. Current Sharing Overview The current sharing fu nction allows power supplies to current share between units connected in parallel. Current sharin g can use a maximum of 5 supplie s. All power supplies must be the same model. Every unit must have a unique address. See “Configure for Multichannel Operation” on page 35 . ...

  • Xantrex GPIB-M-HPD - page 92

    Current Sharing Overview 90 Operating Manual for Multichannel Functiona lity (GPIB-M) Theory of Operation Power supplies may be connec ted in parallel to supply a lar ge current to a load. T ypica lly , because of dif ferences in the load connections, each power supply may provide different amounts of current to the load. When multiple power suppli ...

  • Xantrex GPIB-M-HPD - page 93

    Current Sharing Operation Release 2.1 91 Operation Once a current sharing network is setup, you may adjust the voltage setpoint on the master . The master will automatically adju st the setpoints of the slave units to equalize the c urrent output of all u nits. Y ou may also disable or enable the output of the master , automatically disabling or en ...

  • Xantrex GPIB-M-HPD - page 94

    Current Sharing Operation 92 Operating Manual for Multichannel Functiona lity (GPIB-M) ...

  • Xantrex GPIB-M-HPD - page 95

    Release 2.1 93 Appendix A. GPIB Overview This power supply can be programmed from a remote terminal using a General Purpose Interface Bus (GPIB) interface. Communications over the GPIB interface meet IEEE 488.2 standards and are SCPI compliant. Codes and St and ards The GPIB interface of the this Prog rammable DC Power Supply has been implemented a ...

  • Xantrex GPIB-M-HPD - page 96

    GPIB Protocol Specifications 94 Operating Manual for Multichannel Functiona lity (GPIB-M) Protocol Specifications Multiline Control Functions IEEE 488.2 (Section 5) requires specific Device Interface Functions. Ta b l e A . 1 Multiline Control Functions Interface Functions IEEE 488.1 (Section 2). Ta b l e A . 2 Interface Functions Function Mnemonic ...

  • Xantrex GPIB-M-HPD - page 97

    GPIB Electrical Specifications Release 2.1 95 Electrical Specifications Drive r Requirement s IEEE 488.2 (Section 3. 3). Ta b l e A . 3 Driver T ypes for Interface Lines Driver Specifications for 1 megabyte/second: • Low State: Output voltage < +0.5V at +48mA sink current • High S tat e: Output V o ltage (3 stat e) ≥ +2.4V at -5.2mA The Ou ...

  • Xantrex GPIB-M-HPD - page 98

    GPIB Performance Specifications 96 Operating Manual for Multichannel Functiona lity (GPIB-M) ...

  • Xantrex GPIB-M-HPD - page 99

    Release 2.1 97 Appendix B. SCPI Command Reference Overview This appendix provides a summary of th e S tandard Commands for Programmable Instruments (SCPI) that are supported by the this Pr ogrammable Interface Card. Codes and St and ards This power supply conforms to th e following international standards: • IEEE S td 488.2-1992 “IEEE Standard ...

  • Xantrex GPIB-M-HPD - page 100

    SCPI Command R eference IEEE-488.2/SCPI Syntax and Style 98 Operating Manual for Multichannel Functiona lity (GPIB-M) IEEE-488.2/SCPI Synt ax and S tyle Parameters Unit s of Measure and Mult ipliers The default units of measure include: • V (V olt – voltage) • A (Ampere – current) • W (W att – power) • S (seconds – time) The support ...

  • Xantrex GPIB-M-HPD - page 101

    SCPI Command Reference Understanding SCPI Commands Release 2.1 99 Underst anding SCPI Commands SCPI Command Hierarchy SCPI is an ASCII-based command language designed for use in test and measurement equipment. The command st ructure is organized arou nd common roots, or nodes, which are the building b locks of SCPI subsystems. An example of a commo ...

  • Xantrex GPIB-M-HPD - page 102

    SCPI Command R eference Understanding SCPI Commands 100 Operating Manual for Multichannel Functiona lity (GPIB-M) The following punctu ation is sent with the command string: • Colons (:) separate command keywords from lower-level keywords. For example, CAL:CURR:STAT . • Blank spaces separate comma nd keywords from p arameter values. For example ...

  • Xantrex GPIB-M-HPD - page 103

    SCPI Command Reference Understanding SCPI Commands Release 2.1 101 Using Queries A question mark lets you query the present value for most parameters. For example, to query the current calibration state use: CAL:SEC:STAT? Most commands that include a parameter can be queried to determine the present setting. Y ou can also use the following to query ...

  • Xantrex GPIB-M-HPD - page 104

    SCPI Command R eference Understanding SCPI Commands 102 Operating Manual for Multichannel Functiona lity (GPIB-M) Parameter T ypes Several different data types are defined for use in program messages and response messages. Boolean Parameters Boolean parameters are single binary cond itions such as 1 and 0, or ON and OFF . The following is an exampl ...

  • Xantrex GPIB-M-HPD - page 105

    SCPI Command Reference SCPI Command Summary Release 2.1 103 SCPI Command Summary The SCPI commands supported by the this Programmable Power Supply are described in the tables in the remainder of this section. These tables use the following column headings: • Function The commonly used name for the function • SCPI Command The full command in lon ...

  • Xantrex GPIB-M-HPD - page 106

    104 Operating Manual for Multichanne l Functionality (GPIB-M) SCPI Command Reference SCPI Command Summary Ta b l e B . 1 IEEE 488.2 Commands Function SCPI Command Description Query Clear S t atus *CLS [:]STATus[<channel>]:CLEar Clears the status dat a structures. N/A S t andard Event S t atus Enable Query *ESE? [:]STATus[<channel>]:STAN ...

  • Xantrex GPIB-M-HPD - page 107

    SCPI Command Reference SCPI Command Summary Release 2.1 105 Ta b l e B . 2 Readback Commands T rigger *TRG T rigg er commands. Analogous to the IEE E 488.1 defined G roup Execute T rigger interface message. See IE EE 488.2 section 6.1.4.2.5 N/A Self-T est Query *TST? [:]SYSTem[<channel>]:TEST? Internal self-test and respo nds indicating wheth ...

  • Xantrex GPIB-M-HPD - page 108

    106 Operating Manual for Multichanne l Functionality (GPIB-M) SCPI Command Reference SCPI Command Summary Ta b l e B . 3 Commands for Output Control Function SCPI Command Descript ion Query Set (Immediate) Current Setpoint [[:]SOURce][<channel>]:CURRent[ :LEVel][:IMMediate][:A MPLitude] {<current>|MAXimum|MI Nimum} Change current setpo ...

  • Xantrex GPIB-M-HPD - page 109

    SCPI Command Reference SCPI Command Summary Release 2.1 107 Ta b l e B . 4 Commands for Current Share Ta b l e B . 5 Commands for Calibration Ta b l e B . 6 Command to Clear all Protection Mechanisms Set High V oltage Limit [[ :]SOURce][<channel>]:VOLTage:LIMit:H IGH {<voltage>|MAXimum|MINimum} Set upper limit of voltage setpoin t range ...

  • Xantrex GPIB-M-HPD - page 110

    108 Operating Manual for Multichanne l Functionality (GPIB-M) SCPI Command Reference SCPI Command Summary Ta b l e B . 7 Commands for Fold Pr otection Ta b l e B . 8 Commands for T riggering Ta b l e B . 9 System Commands Function SCPI Command Description Query Set Output Fo ld Delay [:]OUTPut[<channel>]:PROTection: FOLD:DELay <delay> S ...

  • Xantrex GPIB-M-HPD - page 111

    SCPI Command Reference SCPI Command Summary Release 2.1 109 Ta b l e B . 1 0 S t atus Comman ds Function SCPI Command Description Quer y Query Operation S tatus Condition Registe r [:]STATus[<channel>]:OPERation :CONDition? See Section 4, “S tatus Registers” N/A Set Operation S tatus Enable Register [:]STATus[<channel>]:OPERation :E ...

  • Xantrex GPIB-M-HPD - page 112

    11 0 Operating Manual for Multichannel Functionality (GPIB-M) SCPI Command Reference SCPI Command Summary Query Operation S ta tus Regulating Condition Regis ter [:]STATus[<channel>]:OPERation:R EGulating:CONDition? See T able 4.2, on page 72 .N / A Set Operation S tatus Regulating Enabl e Regis ter [:]STATus[<channel>]:OPERation:R EGul ...

  • Xantrex GPIB-M-HPD - page 113

    SCPI Command Reference SCPI Command Summary Release 2.1 111 Preset Enable , Positiv e T ransition and Negative T ransition S t atus Registers [:]STATus[<channel>]:PRESet N/A Query Questionab le S t atus Condition Regi ster [:]STATus[<channel>]:QUEStiona ble:CONDition? See T able 4.7, on page 76 .N / A Set Questionable S tatus Enable Reg ...

  • Xantrex GPIB-M-HPD - page 114

    11 2 Operating Manual for Multichannel Functionality (GPIB-M) SCPI Command Reference SCPI Command Summary Ta b l e B . 1 1 Protection Commands T a ble B.12 User Lines T a ble B.13 Output S tate Query the S tandard Event register (ESR?) [:]STATus[<channel>]:STANdard[:E VENt]? See T able 4.10, on page 78 .N / A Enable the S tandard Event regist ...

  • Xantrex GPIB-M-HPD - page 115

    SCPI Command Reference SCPI Command Summary Release 2.1 11 3 Ta b l e B . 1 4 Auto Sequence Command s Function SCPI Command Description Quer y Delete selected sequence [:] PROGram[<channel>][:SELected]:DELete [:SELected] The selected sequence is delet ed N/A Delete all sequences [:]PROGram[<channel>][:SELected]:DELete:ALL All seque nces ...

  • Xantrex GPIB-M-HPD - page 116

    11 4 Operating Manual for Multichannel Functionality (GPIB-M) SCPI Command Reference SCPI Command Summary Delete specific sequence step [:]PROGram[<channel>]:SEQuence<s equence_number>:STEP< step_number>:DELete Delete a specif ic sequence step N/A Edit specific se quence step [:]PROGram[<channel>]:SEQuence<s equence_numbe ...

  • Xantrex GPIB-M-HPD - page 117

    SCPI Command Reference Expressions Release 2.1 11 5 Expressions Ta b l e B . 1 5 Expressions Expression Det ails aux_line_mnemonic Define the output of the auxiliary line.The possible values are NONE, ON, OFF , OVOLtage, UVOLtage, OCURrent, UCURrent, ACOFf, OTEMper ature, SPRotection, UNRegulated, FOLD, CC, CV , CP . channel The address for a multi ...

  • Xantrex GPIB-M-HPD - page 118

    SCPI Command R eference Expressions 11 6 Operating Manual for Multichannel Functiona lity (GPIB-M) ...

  • Xantrex GPIB-M-HPD - page 119

    Release 2.1 11 7 Appendix C. Error Messages Overview Errors are placed in a queue as they are de tected. The queue works on a first in, first out (FIFO) basis. If the queue overflows, the last error in the queue is replaced with error –350, “Queue Overflow”. When all errors have been read from the queue, further error queries return 0, “No ...

  • Xantrex GPIB-M-HPD - page 120

    Error Messages Command Error List 11 8 Operating Manual for Multichannel Functiona lity (GPIB-M) Command Error List An error in the range [-199, -100] indicates that an IEEE 488.2 syntax error has been detected by the instrument’ s parser . The o ccurrence of any error in this cla ss causes the command error bit (bit 5) in th e Event S tatus Regi ...

  • Xantrex GPIB-M-HPD - page 121

    Error Messages Execution Error List Release 2.1 11 9 -220 Parameter error Indicates that a program data element related error occurred. -221 Setting conflict Indicates that a legal program dat a element was parsed but could not be executed due to the current power supply st ate. Factors that may contribute to this error are: Remote source - T o set ...

  • Xantrex GPIB-M-HPD - page 122

    Error Messages Device-Specific Error List 120 Operating Manual for Multichannel Functiona lity (GPIB-M) Device-Specific Error List An error in the range [-399, 300] or [1, 32767] indicates that the instrument has detected an error which is not a command e rror , a query error , or an execution error; some device op erations did not prop erly comple ...

  • Xantrex GPIB-M-HPD - page 123

    Error Messages Query Error List Release 2.1 121 Query Error List An error number in the rang e [-499, -400] indicates that the output queue contro l of the instrument has detected a problem with the message exchange protocol described in IEEE 488.2, chapter 6. Th e occurrence of any error in this class causes the query error bit (bit 2) in the Even ...

  • Xantrex GPIB-M-HPD - page 124

    Error Messages Front Panel Error Codes 122 Operating Manual for Multichannel Functiona lity (GPIB-M) Front Panel Error Codes Ta b l e C . 7 Front Panel Error Codes CPU Error Codes Ta b l e C . 8 CPU Error Codes Analog Programming Interface Error codes Ta b l e C . 9 Analog Programming Inter face Error cod e Auto Sequencing Error Codes Ta b l e C . ...

  • Xantrex GPIB-M-HPD - page 125

    Error Messages CANbus Error Codes Release 2.1 123 CANbus Error Codes Ta b l e C . 1 1 CANbus Error Codes Multichannel Error Codes Ta b l e C . 1 2 Multichannel Error Codes Error code Error Message Description +1701 CANbus hardware missing The CANbus option is not installed on the controller card, or controller card is not present. +1702 CANbus devi ...

  • Xantrex GPIB-M-HPD - page 126

    Error Messages Current Share Error Codes 124 Operating Manual for Multichannel Functiona lity (GPIB-M) Current Share Error Codes Ta b l e C . 1 3 Current Sha re Error Code s Error code Error Message Description +1900 Current Share General Error +191 1 Current share master already online A unit on the CANbus network has already been assigned the cur ...

  • Xantrex GPIB-M-HPD - page 127

    Release 2.1 125 Appendix D. Calibration Overview The calibration of the unit is software dependent; there are no potentiometers to adjust. The calibration points are set to 10% and 90% of the r ated ou tputs and calibration data is automatically calculated fro m the measurement date you p rovide. The setting and readback accuracy of the po wer supp ...

  • Xantrex GPIB-M-HPD - page 128

    Calibration Setup and Equipment 126 Operating Manual for Multichannel Functiona lity (GPIB-M) Security code T o protect calibration data, a security code is required to enter calibration mode. The security code set at the factory to " 0000 ." The password can be changed. Calibration state must be ON to change the password. The SCPI comman ...

  • Xantrex GPIB-M-HPD - page 129

    Calibration Calibration Procedure Release 2.1 127 Calibration Procedure Calibration of programming and readback are combined in a single procedure. Output V oltage 1. Set the load to open circuit. Att ach a DVM across the output terminals. 2. Minimum calibration level Set the output voltage to 10 % by send ing the co mmand: CAL:OUTP:VOL T :LEV MIN ...

  • Xantrex GPIB-M-HPD - page 130

    Calibration Calibration Procedure 128 Operating Manual for Multichannel Functiona lity (GPIB-M) Output Current 1. Set the power supply and lo ad operate at full output. Y ou must ensure the power supply is operating in current mode during current calibration. Place a shunt on the load line so that you can measure th e current. Attach a DVM across t ...

  • Xantrex GPIB-M-HPD - page 131

    Calibration Exit calibration mode Release 2.1 129 Exit calibration mode When you have completed calibration, exit calibration mode by sending the command: CAL:ST A T OFF , "0000" where “0000” is replaced with your security code. Restore Factory Calibration Restore the unit to the calibration cons tants set at the factory by sending th ...

  • Xantrex GPIB-M-HPD - page 132

    Calibration Restore Factory Calibration 130 Operating Manual for Multichannel Functiona lity (GPIB-M) ...

  • Xantrex GPIB-M-HPD - page 133

    ...

  • Xantrex GPIB-M-HPD - page 134

    Xantrex Technology Inc. 8999 Nelson W ay Burnaby , British Columbia Canada V5A 4B 5 604 422 85 95 T el 604 421 30 56 F a x 800 667 8422 T oll Free North America prg.info@xantrex.com www .xantre x.com TM-MCOP-01XN PRINTED IN CANADA ...

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