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	Corresponding SCPI	Front Panel	Corresponding SCPI
Command	Command	Command	Command
	CAL:STAT {ON1},<password>		CAL:VOLT:PROT
	CAL:STAT {OFF0}		CAL:CURR:LEV {MINMAX}
			CAL:CURR[:DATA] <NRf>
	CAL:PASS <NRf>		CAL:CURR:MON<newline>
			CAL:CURR:DATA <NRf>
	CAL:VOLT:LEV {MINMAX}		CAL:SAVE
	CAL:VOLT[:DATA] <NRf>

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 {MINMAX}
Parameters	{<CRD>MINimumMAXimum}
Examples	CAL: CURR: LEV MIN CAL: CURR: LEV MAX
Query Syntax	(None)
Related Commands	CAL:CURR[:DATA] CAL:STAT

100 Calibration

668xA, 669xA, 667xA, 664xA, 665xA specifications

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Agilent Technologies 665xA, 664xA manual Calibration Over the Gpib, Calibration Language Dictionary

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