2600AS-901-01 Rev. B / September 2008 Return to Section Topics 2-9
Series 2600A System SourceMeter® Instruments Reference Manual Section 2: 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 2-1 summarizes the steps to check and/or change the sense mode front panel. When in the
menu structure, use the navigation wheel (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.
Remote programming sense selection
Table 2-2 summarizes the commands to select the sense mode. See Section 19 for details on
using these commands.
Contact check connections
The contact check function prevents measurement errors due to excessive resistance in the force
or sense leads. Connections for contact check measurements are shown in
Figure 2-12. See
Section 3 for operation and Section 19 for details on contact check commands.
Table 2-1
Selecting the sense mode from the front panel
Model 2601A/2611A/2635A Model 2602A/2612A/2636A
1) Press CONFIG key 1) Press CONFIG key
2) Select SRC or MEAS menu* 2) Select CHANNEL-A or CHANNEL-B
3) Select V-SOURCE menu 3) Select SRC or MEAS menu*
4) Select SENSE-MODE menu 4) Select V-SOURCE menu
5) Select 2-WIRE or 4-WIRE 5) Select SENSE-MODE menu
6) Select 2-WIRE or 4-WIRE
* The sense mode can be set from either the SRC or MEAS menu.
Table 2-2
Commands to select sense mode
Command
*
Description
smuX.source.output = smuX.OUTPUT_OFF Turns off the SMU output.
smuX.sense = smuX.SENSE_LOCAL Selects local (2-wire) sense.
smuX.sense = smuX.SENSE_REMOTE Selects remote (4-wire) sense.
* Model 2601A/2611A/2635A: smuX = smua. Model 2602A/2612A/2636A: smuX = smua
(Channel A) or smub (Channel B).
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