User`s manual

68 Relay Multiplexer Command Reference
TRIGger
The TRIGger subsystem commands controls the triggering operation of the
multiplexer modules in a switchbox.
Subsystem Syntax TRIGger
[:IMMediate]
:SOURce BUS|EXTernal|HOLD|IMMediate
:SOURce?
[:IMMediate]
TRIGger[:IMMediate] causes a trigger to occur when the defined trigger source is
TRIGger:SOURce HOLD or TRIGger:SOURce BUS.
Comments • Executing the TRIGger[:IMMediate] Command: A channel list must be
defined with
[ROUTe:]SCAN <channel_list> and an INITiate[:IMMediate]
command must be executed before
TRIGger[:IMMediate] can trigger the
switchbox.
• HOLD or BUS Source Remains: If selected, the TRIGger:SOURce HOLD or
TRIGger:SOURce BUS commands remain in effect after triggering the
switchbox with the
TRIGger[:IMMediate] command.
• Related Commands: INITiate, [ROUTe:]SCAN
Example Advancing Scan using the TRIGger Command
TRIG:SOUR HOLD
Sets trigger source to hold.
SCAN (@100:115)
Sets channel list.
INIT
Starts scanning cycle.
loop statement
Start count loop.
TRIG
Advances channel list to next channel.
increment loop
Increment count loop.