11-20 Triggering 2400 Series SourceMeter
®
User’s Manual
Output trigger specifications
The SourceMeter can be programmed to output a trigger after various trigger model
actions. (See “Trigger models,” page 11-30.) The output trigger provides a TTL-
compatible output pulse that can be used to trigger other instruments. The specifications
for this trigger pulse are shown in Figure 11-7. A trigger link line can source 1mA and sink
up to 50mA.
Figure 11-7
Trigger link output pulse specifications
Triggering examples
Front panel trigger example
As an example of how to program the instrument for front panel trigger operation, assume
the trigger parameters below. Figure 11-8 shows a flowchart of the front panel trigger
model with these operating examples.
Assume the following trigger parameters:
• Arm layer source: manual (TRIG key)
• Arm layer count: 2
•Trigger layer delay: 0.1s
•Trigger layer count: 10
•Trigger layer output events: source and measure
•Trigger layout trigger link output line: #1
TTL High
(3.4V Typical)
Meter
Complete
TTL Low
(0.25V Typical)
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