17-60 SCPI Command Reference Models 2500 and 2502 User’s Manual
SOURce subsystem
This subsystem is used to configure and control the two voltage sources, and to set the
logic level (high or low) of each digital output line. The commands for this subsystem are
summarized in Table 17-6.
SOURce[1] and SOURce2
Use the following commands to configure and control the channel 1 and channel 2 voltage
sources. SOURce[1] controls the channel 1 source, and SOURce2 controls the channel 2
source.
Control source output on-off
NOTE All SOURx:CLEar commands are global and affect both channels
simultaneously.
[:IMMediate]
:SOURce[1]:CLEar[:IMMediate] Turn source output off
Description This command is used to turn off the channel 1 and channel 2 source
outputs. The outputs will turn off after all programmed source and mea-
sure operations are completed and the instrument returns to the idle
state.
Note that if auto output-off is enabled, the source outputs will automati-
cally turn off. See the next command.
MODE <name>
:SOURce[1]:CLEar:AUTO:MODE <name> Control source auto on/off mode
:SOURce2:CLEar:AUTO:MODE <name> Control source auto on/off mode
Parameters <name> = ALWays Output on before reading, off after
reading
TCOunt Output on trigger layer entry, off on
trigger layer exit
Query :MODE? Query state of auto on/off
Description These commands are used to control the source auto on/off output mode
for the two sources. With ALWays selected, the source output will turn
on before each reading and then off after each reading. With TCOunt
selected, the source will turn on when entering the trigger layer and off
when exiting the trigger layer. See Section 10 for details on the trigger
model.
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