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2600AS-901-01 Rev. B / September 2008
Return to
19-121
Series 2600A System SourceMeter® Instruments Reference Manual
Section 19: Remote Commands
smuX.measure.rel.enableY
X = SMU channel (a or b)
Y = SMU measure function (
v, i, r
or
p
)
Where:
v
= voltage,
i
= current,
r
= resistance,
p
= power
Attribute
Relative measurement control (on/off).
Default
smuX.REL_OFF
TSP-Link
accessibility
This attribute can be accessed from a remote TSP-Link node.
Usage
rel = smuX.measure.rel.enablev -- Reads voltage relative state.
smuX.measure.rel.enablev = rel -- Writes voltage relative state
.
rel = smuX.measure.rel.enablei -- Reads current relative state.
smuX.measure.rel.enablei = rel -- Writes current relative state
.
rel = smuX.measure.rel.enabler -- Reads resistance relative state.
smuX.measure.rel.enabler = rel -- Writes resistance relative state
.
rel = smuX.measure.rel.enablep -- Reads power relative state.
smuX.measure.rel.enablep = rel -- Writes power relative state
.
rel
Relative measurement control.
Set
rel
to one of the following values:
0
or
smuX.REL_OFF
Disables
relative
measurements.
1
or
smuX.REL_ON
Enables
relative
measurements.
Remarks
• When relative measurements are enabled, all subsequent measured readings will be offset by
the specified relative offset value (see
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
Details
See
.
Also see
Example
Enables relative voltage measurements for SMU A:
smua.measure.rel.enablev = smua.REL_ON