Precalibration Commands; Pcal - Keithley 2182 Service Manual

B-10 Calibration Reference

Precalibration commands

:PCAL

:CALibrate:PROTected:PCAL:STEPn
NOTE
Purpose
Format
Parameters
Description
NOTES The appropriate calibration signal must be connected to the input jack before sending
Example
Table B-4
Precal steps
Calibration step command
:CAL:PROT:PCAL:STEP0 10
:CAL:PROT:PCAL:STEP1 0
:CAL:PROT:PCAL:STEP2 1
:CALibrate:PROTected:PCAL:DATA?
Purpose
Format
Response
Description
Example
Precal :STEP commands are intended to be one-time manufacturing calibration
steps, and are only allowed if the STEP key was held in at power-up.
To perform various precal steps.
:cal:prot:pcal:stepn
See Table B-4.
The commands perform the various precalibration steps summarized
:PCAL
in Table B-4. All these steps are part of factory calibration and need not
normally be performed in the field. See
the calibration steps.
the corresponding
:STEP
Factory calibration is enabled by sending :DIAG:KEIT:CAL:UNLOCK.
:CAL:PROT:PCAL:STEP3 1
Query precal constants.
:cal:prot:pcal:stepn
Two ASCII values separated by a comma.
The
:CAL:PROT:PCAL:DATA?
stants. Two values are returned; the Linearity Correction Flag (1 or 0), and
the offset DAC value. Note that unlocking with STEP key is not required for
this query command.
:CAL:PROT:PCAL:DATA?
Section 2
command.
Description
10V precal
0V precal
1V precal
query requests the precalibration con-
Request precalibration constants.
for details on performing
Perform precal 1V step.