Specifications

TRIGger[:IMMediate]
TRIGger[:IMMediate] causes one trigger when the module is set to the
TRIG:SOUR BUS or TRIG:SOUR HOLD mode.
Comments
·
This command is equivalent to the *TRG common command or the IEEE-488.2
“GET” bus command.
·
Related Commands: TRIG:SOURCE
Usage TRIG:IMM Use TRIGGER to start a measurement scan
TRIGger:SOURce
TRIGger:SOURce <trig_source> configures the trigger system to respond to the
trigger event.
Parameters
Parameter
Name
Parameter
Type
Range of
Values
Default
Units
trig_source discrete (string) BUS | EXT | HOLD | IMM | SCP |
TIM | TTLTrg<n>
none
Comments · The following table explains the possible choices.
Parameter Value Source of Trigger
BUS TRIGger[:IMMediate], *TRG, GET (for GPIB)
EXTernal “TRG” signal on terminal module
HOLD TRIGger[:IMMediate]
IMMediate The trigger event is always satisfied.
SCP SCP Trigger Bus (future SCP Breadboard)
TIMer The internal trigger timer
TTLTrg<n> The VXIbus TTLTRG lines (n=0 through 7)
NOTE The ARM system only exists while TRIG:SOUR is TIMer. When TRIG:SOUR is
not
TIMer, SCPI compatibility requires that ARM:SOUR be IMM or an Error
-221,"Settings conflict" will be generated.
·
While TRIG:SOUR is IMM, simply INITiate the trigger system to start a
measurement scan.
VT1419A Command Reference
TRIGger
308 Chapter 6
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