F-2 Remote Calibration Model 6487 Reference Manual
Introduction
This appendix contains a summary of Model 6487 remote calibration commands and a
basic remote calibration procedure. See Section 16 for complete calibration information.
Calibration commands
Table F-1 summarizes Model 6487 remote calibration commands.
Table F-1
Calibration commands
Command Description
:CALibration Calibration subsystem.
:PROTected Commands protected by code/password.
:CODE '<code>' Eight character code/password used to enable or unlock calibration.
(Default: KI006487.)
:CODE? Calibration code query.
:LOCK Lock out further calibration.
:LOCK? Return 1 if calibration is locked, 0 otherwise.
:SENSe <NRf> Calibrate active current range.
:DATA? Query measurement cal constants.
:VSOurce Voltage source calibration commands:
:NFSCale Turn on source, set it to negative full scale for present source range.
:NFSValue <NRf> Calibrate negative full scale using DMM reading.
:ZERO Set source output to 0V and turn on output.
:ZVALue <NRf> Calibrate source zero using DMM reading.
:PFSCale Turn on source, set it to positive full scale for present source range.
:PFSValue <NRf> Calibrate positive full scale using DMM reading.
:SOURce Path to query source calibration constants.
:DATA? Query constants for present source range. Three values are returned:
Vnegative, Vpositive, and Vzero.
:SAVE Save all calibration data to non-volatile memory.
:DATE <yyyy, mm, dd> Year, Month, Day when cal was last performed.
:DATE? Query last cal date.
:NDUE <yyyy, mm, dd> Year, Month, Day when 6487 is due for re-cal.
:NDUE? Query cal due date.
:COUNt? Returns how many times 6487 has been calibrated.
:UNPRotected Commands not protected by code/password.
:VOFFset Voltage offset correction.
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