2400 Series SourceMeter
®
User’s Manual Connections 2-11
Sense and guard selections
NOTE When sense or guard settings are changed, the OUTPUT will turn OFF.
Sense selection
When using the SENSE HI and LO terminals of the SourceMeter, 4-wire remote sensing
must be selected. When not using these terminals, local sensing must be selected. Sense
selection is explained as follows. See Section 3, “Operation overview,” for details on
sense.
NOTE The SourceMeter defaults to the 2-wire (local) sense mode when the output is
off, regardless of the sense setting. When the output is turned on, the present
sense setting will be in effect.
Front panel sense selection
On power-up, the instrument is automatically set for 2-wire local sense. Perform the fol-
lowing steps to check and/or change the sense selection:
1. Press CONFIG and then the SOURCE V, MEAS V, or Ω key. Changing sense in
one configuration menu changes it in all of the others.
2. For SOURCE V and Ω, use the and keys to place the cursor (flashing menu
item) on SENSE MODE and press ENTER.
NOTE Cursor position indicates the present sense selection. Two-wire indicates that
local sense is selected, and 4-wire indicates that remote sense is selected. To
retain the present selection, use the EXIT key to back out of the menu structure
and skip the next two steps.
3. To change the sense selection, place the cursor on 4-wire to select remote sense or
on 2-wire to select local sense, and press ENTER.
4. Use the EXIT key to back out of the menu structure.
Remote command sense selection
Use the :SYSTem:RSENse command (Section 18, “SYSTem subsystem”) to choose
between local and remote sensing via remote. For example, send the following command
to enable remote sensing:
:SYST:RSEN ON
Conversely, send this command to disable remote sensing (enable local sensing):
:SYST:RSEN OFF
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