Table 3-1 Selecting The Sense Mode From The Front Panel; Table 3-2 Commands To Select Sense Mode; Sense Mode Selection - Keithley 2601 Reference Manual

Section 3: DUT Test Connections

Sense mode selection

The sense mode can be set for 2-wire local or 4-wire remote connections.
Front panel sense selection
Table 3-1
menu structure, use the rotary knob (or CURSOR keys) to position the blinking cursor on the
desired menu item, and press ENTER to select it. Use the EXIT key to back out of the menu
structure.
Table 3-1
Selecting the sense mode from the front panel
Model 2601/2611/2635
1) Press CONFIG key
2) Select SRC or MEAS menu*
3) Select V-SOURCE menu
4) Select SENSE-MODE menu
5) Select 2-WIRE or 4-WIRE
* The sense mode can be set from either the SRC or MEAS menu.
Remote programming sense selection
Table 3-2
using these commands.
Table 3-2
Commands to select sense mode
Command
smuX.source.output = smuX.OUTPUT_OFF
smuX.sense = smuX.SENSE_LOCAL
smuX.sense = smuX.SENSE_REMOTE
* Model 2601/2611/2635: smuX = smua. Model 2602/2612/2636: smuX = smua (Channel A) or
smub (Channel B).
Contact check connections
The contact check function
or sense leads. Connections for contact check measurements are shown in
Section 4
1. All Model 2611/2612 System SourceMeters manufactured by Keithley Instruments support the contact check function. Models 2635
and 2636 do not support the contact check function. Only Models 2601/2602 with firmware Revision 1.1.0 or later and source measure
unit (SMU) hardware Revision E or later support the contact check function. To determine the firmware and SMU hardware revisions,
inspect the data returned by the print(localnode.info()) command. The InstFwRev and SMUBrdRev keys contain the necessary
information.
3-8
summarizes the steps to check and/or change the sense mode front panel. When in the
summarizes the commands to select the sense mode. See
*
1
prevents measurement errors due to excessive resistance in the force
for operation and Section 12
Return to
Series 2600 System SourceMeter® Instruments Reference Manual
Model 2602/2612/2636
1) Press CONFIG key
2) Select CHANNEL-A or CHANNEL-B
3) Select SRC or MEAS menu*
4) Select V-SOURCE menu
5) Select SENSE-MODE menu
6) Select 2-WIRE or 4-WIRE
Description
Turns off the SMU output.
Selects local (2-wire) sense.
Selects remote (4-wire) sense.
for details on contact check commands.
Section Topics
Section 12 for details on
Figure 3-7. See
2600S-901-01 Rev. C / January 2008