Keithley 2790, Reference Manual

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Model 2790 SourceMeter® Switch System Reference Manual G-17
:CODE
(:CALibration:PROTected:CODE)
Purpose
To program the calibration code or password so that you can perform the
Model 7751/7752/7753 calibration procedures.
Format :cal:prot:code '<char_string>'
Parameters
Up to a 8-character string including letters and numbers.
Description
The
:CODE
command enables the Model 2790 calibration procedures
when performing these procedures over the bus. This command must be
sent to the unit before sending any other Model 7751/7752/7753 calibra-
tion command. The default calibration code is KI002790.
klqbp
The
:CODE
command should be sent only once before performing calibration.
Do not send
:CODE
before each calibration step.
The code parameter must be enclosed in single quotes.
Example
:CAL:PROT:CODE 'KI002790'
Send default code of KI002790.
:COUNt?
(:CALibration:PROTected:CARD1:COUNt?
(:CALibration:PROTected:CARD2:COUNt?
Purpose
To determine how many times a Model 7751/7752/7753 has been calibrated.
Format
:cal:prot:card1:coun?
:cal:prot:card2:coun?
Response
<n> Calibration count.
Description
The
:CARD1:COUNt? and :CARD2:COUNt?
commands allow you
to determine how many times a Model 7751/7752/7753 in Slot 1 or Slot 2
has been calibrated.
klqb
Use the
:COUNt?
command to help you monitor for unauthorized calibration
procedures.
Example :CAL:PROT:CARD1:COUN?
Request card 1 calibration count.