Models 2500 and 2502 User’s Manual Triggering 10-25
Remote trigger example
Table 10-2 summarizes the command sequence for basic trigger operation. These com-
mands set up Model 2500 triggering as follows:
• Arm layer source: bus
• Arm layer count: 2
•Trigger layer delay: 0.1s
•Trigger layer count: 10
•Trigger layer output events: source and sense
•Trigger layer trigger link output line: 1
After the unit is set up, :INIT is sent to take the unit out of idle. *TRG is sent to trigger the
unit, after which it cycles 10 times through the trigger layer. A second *TRG is required to
trigger the unit the second time, and it then completes the second cycle through the trigger
layer.
NOTE You must allow sufficient time between the first and second *TRG commands, or
the second trigger will be ignored.
Table 10-2
Remote triggering example
Command Description
*RST
:SOUR1:VOLT 10
:ARM:SOUR BUS
:ARM:COUN 2
:TRIG:DEL 0.1
:TRIG:COUN 10
:TRIG:OUTP SOUR,SENS
:TRIG:OLIN 1
:OUTP1 ON
:INIT
*TRG
*TRG
:OUTP1 OFF
:FETC?
Restore GPIB defaults.
Source 10V on channel 1.
Select bus arm layer source (*TRG command).
Arm layer count = 2.
0.1s trigger layer delay.
Trigger layer count = 10.
Source, sense output trigger events.
Trigger output line = #1.
Turn on channel 1 output.
Take unit out of idle.
Trigger first sequence.
Trigger second sequence.
Turn off output 1.
Request readings.
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