Keithley 2461, Reference Manual, Page: 252 / 1109

Model 2461 Interactive SourceMeter® Instrument Reference Manual Section 3: Functions and features
2461-901-01 A/November 2015 3-81
Setting a relative offset value
You can set a specific relative offset value using the front panel or remote commands.
Using the front panel:
1. Press the
FUNCTION
key and select the measure function.
2. Press the
MENU
key.
3. Select
Calculations
.
4. For Rel, select
On
.
5. Select the button next to Rel Value.
6. Enter the value and select
OK
.
Over a remote interface:
•
SCPI commands: Refer to [:SENSe[1]]:<function>:RELative (on page 6-67) and
[:SENSe[1]]:<function>:RELative:STATe (on page 6-69).
•
TSP commands: Refer to smu.measure.rel.level (on page 8-171) and smu.measure.rel.enable
(on page 8-170).
Using SCPI commands:
Send the commands:
:SENSe:FUNCtion "VOLTage"
:SENSe:VOLTage:RELative <n>
:SENSe:VOLTage:STATe ON
Where
<n>
is the amount of the offset.
To set the relative offset for another function, replace
VOLTage
with
CURRent
or
RESistance
.
Using TSP commands:
Send the commands:
smu.measure.func = smu.FUNC_DC_VOLTAGE
smu.measure.rel.level = relValue
smu.measure.rel.enable = smu.ON
Where
relValue
is the relative offset value.
To set the relative offset for another function, replace
smu.FUNC_DC_VOLTAGE
with
smu.FUNC_DC_CURRENT
or
smu.FUNC_RESISTANCE
.
Disabling the relative offset
Using the front panel:
1. Select the measure function to which the relative offset is applied.
2. On the SETTINGS swipe screen, select the box next to
Rel
. An X should be displayed and the
REL annunciator to the right of the measurement is no longer displayed.
You can also disable the relative offset feature by selecting MENU > Measure > Calculations > Rel
and selecting Off.