17-66 SCPI Command Reference Models 2500 and 2502 User’s Manual
Select ground connect mode
GCONnect <b>
:SOURce[1]:GCONnect <b> Enable/disable source 1 ground connect
:SOURce2:GCONnect <b> Enable/disable source 2 ground connect
Query :GCONnect? Query state of ground connect
Description These commands are used to enable or disable the ground connect mode
of the channel 1 and channel to 2 sources. When ground connect is
enabled, the SOURCE OUTPUT terminal is connected to chassis
ground. When ground connect is disabled, SOURCE is left floating.
Configure sweeps
There are two methods to configure the start and stop levels of a sweep. You can use either
the :STARt and :STOP commands or you can use the :CENTer and :SPAN commands. See
“Sweep and list program examples” later in this section.
NOTE In order to run a sweep, the selected source must be in the sweep sourcing mode
and the trigger count should be the same as the number of source and measure
points in the sweep.
Use the VOLTage:MODE command to select the SWEep sourcing mode. See “Select
sourcing mode,” page 17-61. The trigger count is set using the TRIGger:COUNt com-
mand. See “Trigger subsystem,” page 17-90.
RANGing <name>
:SOURce[1]:SWEep:RANGing <name> Select source 1 ranging mode
:SOURce2:SWEep:RANGing <name> Select source 2 ranging mode
Parameters <name> = BEST Use the best fixed mode
AUTO Use the most sensitive source range for
each sweep level
FIXed Use the present source range for the
entire sweep
Query :RANGing? Query source ranging mode
Description These commands are used to select the source ranging mode for sweeps
using the channel 1 and channel 2 voltage sources. With BEST selected,
the Model 2500 will select a single fixed source range that will accom-
modate all the source levels in the sweep. For front panel operation, this
is the BEST FIXED option.
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