Smux.cal.unlock() - Keithley 2651A Reference Manual

Model 2651A High Power System SourceMeter® Instrument Reference Manual
Usage
calState = smuX.cal.state
calState
X
Details
This read-only attribute indicates the calibration state of the instrument: locked, unlocked, or calibrating.
Example
calstate = smua.cal.state
print(calstate)
Also see
smuX.cal.lock()
smuX.cal.restore()
smuX.cal.save()

smuX.cal.unlock()

Adjustment (on page B-16)
smuX.cal.unlock()
This function enables the commands that change calibration settings.
Type TSP-Link accessible
Function Yes
Usage
smuX.cal.unlock(password)
X
password
Details
This function enables the calibration functions to change the calibration settings.
The password when the unit is shipped from the factory is "KI0026XX".
2651A-901-01 Rev. A / March 2011
The present calibration state. When reading this read-only attribute, calState will
have one of the following values:
0 or smuX.CALSTATE_LOCKED: Calibration is locked.
1 or smuX.CALSTATE_CALIBRATING: The calibration constants or dates have
been changed but not yet saved to nonvolatile memory.
2 or smuX.CALSTATE_UNLOCKED: Calibration is unlocked but none of the
calibration constants or dates have changed since the last save/restore.
SMU channel (for example, smua.cal.state applies to SMU Channel A).
(on page 7-177)
(on page 7-179)
(on page 7-180)
(on page 7-181)
Affected by
Source-measure unit (SMU) channel (for example, smua.cal.unlock() applies
to SMU channel A)
Calibration password
Reads calibration state for SMU Channel A.
Output: 0.000000e+00
The above output indicates that calibration is locked.
Where saved Default value
Section 7: Command reference
7-181