B-2 Command Reference
Introduction
This appendix contains detailed information on the various Model 2430 remote calibration
commands, calibration error messages, and methods to detect the end of each calibration step.
Section 2 of this manual covers detailed calibration procedures.
Command summary
Table B-1 summarizes Model 2430 calibration commands. These commands are covered in
detail in the following paragraphs.
Table B-1
Remote calibration command summary
Command Description
:CALibration
:PROTected
:CODE '<password>'
:COUNT?
:SAVE
:LOCK
:LOCK?
:DATE <y>,<m>,<d>
:DATE?
:NDUE <y>,<m>,<d>
:NDUE?
:SENSe <nrf>
:DATA?
:SOURce <nrf>
:DATA?
Calibration subsystem.
Cal commands protected by password.
Unlock cal; if cal is unlocked, changes password.
(Default password: KI002430.)
Query number of times 2430 has been calibrated.
Save calibration data to EEPROM.*
Lock calibration, inhibit SAVE command operation.
Request cal lock status. (0 = unlocked; 1= locked.)
Program calibration year, month, day.
Query calibration year, month, day.
Program calibration due year, month, day.
Query calibration due year, month, day.
Calibrate active measure range.
Query measurement cal constants for active range.
Calibrate active source range.
Query source cal constants for active range.
* Calibration data will not be saved if:
1. Calibration was not unlocked with :CODE command.
2. Invalid data exists. (For example, cal step failed or was aborted.)
3. Incomplete number of cal steps were performed. (For example, omitting a negative
full-scale step.) Ranges that were successfully calibrated will be saved if calibration is unlocked.
Ranges that failed will not be saved.
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