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Calibration
98
Calibration Over The GPIB
You can calibrate the power supply by using SCPI commands within your controller programming statements. Be sure you
are familiar with calibration from the front panel before you calibrate from a controller. The SCPI calibration commands are
related to the front panel calibration controls as follows:
Front Panel
Command
Corresponding SCPI
Command
Front Panel
Command
Corresponding SCPI
Command
CAL:STAT {ON|1},<password>
CAL:VOLT:PROT
CAL:STAT {OFF|0}
CAL:CURR:LEV {MIN|MAX}
CAL:CURR[:DATA] <NRf>
CAL:PASS <NRf>
CAL:CURR:MON<newline>
CAL:CURR:DATA <NRf>
CAL:VOLT:LEV {MIN|MAX}
CAL:VOLT[:DATA] <NRf>
CAL:SAVE
Calibration Example
A sample calibration program is given at the end of this appendix. If your system is Agilent BASIC, you can use the
program with very little modification. Otherwise, use it as a guide for writing your own program.
Calibration Language Dictionary
The calibration commands are listed in alphabetical order. The format for each command follows that shown in "Chapter 3 -
Language Dictionary" of the Programming Guide. Calibration error messages that can occur during GPIB calibration are
shown within this guide (Table A-3 in Appendix A - Calibration).
CAL:CURR
This command is used to calibrate the output current. The command enters current value that you obtain from an external
meter. (If you are entering the current value, allow time for the DVM to stabilize.) You must first select a calibration level
(CAL:CURR:LEV) for the value being entered. Two successive values (one for each end of the calibration range) must be
selected and entered. The power supply then computes new current calibration constants. These constants are not stored in
nonvolatile memory until saved with the CAL:SAVE command.
Command Syntax CALibrate:CURRent[:DATA] <NRf>
Parameters
(See applicable Output Ratings specification in "Chapter 1- General Information")
Default Suffix
A
Examples
CAL: CURR 32 . 33 A CAL: CURR: DATA 5 . 00
Query Syntax
(None)
Related Commands CAL:SAVE CAL:STAT
CAL:CURR:LEV
This command sets the power supply to a calibration point that is then entered with CAL:CURR[:DATA]. During
calibration, two points must be entered and the low-end point (MIN) must be selected and entered first.
Command Syntax CALibrate:CURRent:LEVel {MIN|MAX}
Parameters {<CRD>|MINimum|MAXimum}
Examples CAL: CURR: LEV MIN CAL: CURR: LEV MAX
Query Syntax
(None)
Related Commands CAL:CURR[:DATA] CAL:STAT