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Section 7: Command reference Model 2651A High Power System SourceMeter® Instrument Reference Manual

7-204 2651A-901-01 Rev. A / March 2011

smuX.measure.rel.enableY

This attribute turns relative measurements on or off.

Type TSP-Link accessible Affected by Where saved Default value

Attribute (RW) Yes Instrument reset

SMU reset

Not saved smuX.REL_OFF

Usage

relEnable = smuX.measure.rel.enableY

smuX.measure.rel.enableY = relEnable

relEnable

Relative measurement control. Set relEnable to one of the following values:

0 or smuX.REL_OFF: Disables relative measurements.

1 or smuX.REL_ON: Enables relative measurements.

SMU channel (for example, smua.measure.rel.enablev applies to SMU

Channel A).

SMU measurement function (v = voltage, i = current, r = resistance, p = power).

Details

This attribute enables or disables relative measurements. When relative measurements are enabled, all

subsequent measured readings will be offset by the relative offset value specified by

smuX.measure.rel.levelY. Specifically, each returned measured relative reading will be the result of the

following calculation:

Relative reading = Actual measured reading - Relative offset value

Example

smua.measure.rel.enablev = smua.REL_ON

Enables relative voltage measurements for SMU

Channel A.

Also see

reset() (on page 7-151)

smuX.measure.rel.levelY

(on page 7-205)

smuX.reset()

(on page 7-209)

setup.recall()

(on page 7-170)

Rel

(on page 3-1)

Keithley 2651A Reference Manual

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