Tektronix KEITHLEY SourceMeter 2600B Series

Section 4: Operation Series 2600B System SourceMeter® instrument User's Manual
4-30 2600BS-900-01 Rev. A / August 2021
Sense mode selection
You can set the sense mode to use 2-wire local sensing connections (on page 4-12) or 4-wire remote
sensing connections (on page 4-12). The default sense setting is 2-wire local.
Front-panel sense mode selection
To check or change the voltage sense mode from the front panel:
1. Press the CONFIG key.
2. Press the SRC or MEAS key. You can access and set the 2600B sense mode from either the
V-SOURCE or the V-MEAS menu items.
3. If you pressed the SRC key: Select V-SOURCE > SENSE-MODE, and then press the ENTER
key or the navigation wheel.
If you pressed the MEAS key: Select V-MEAS > SENSE-MODE, and then press the ENTER key
or the navigation wheel.
4. Select 2-WIRE or 4-WIRE as needed, and then press the ENTER key or the navigation wheel.
Remote interface sense mode selection
To configure the 2600B SMU for 4-wire remote sensing, send the command:
smua.sense = smua.SENSE_REMOTE
The following table summarizes the commands to select the sense mode. See the “TSP command
reference” section of the Series 2600B Reference Manual for details on using these commands.
Commands to select sense mode
Command*
Description
smuX.source.output = smuX.OUTPUT_OFF
Turn off the source-measure unit (SMU) output.
smuX.sense = smuX.SENSE_LOCAL
Select local (2-wire) sense.
smuX.sense = smuX.SENSE_REMOTE
Select remote (4-wire) sense.
* smuX can be smua for channel A or smub for channel B