Keysight B2980B User’s Guide, Edition 1 237
Function Details
Trigger System
Trigger System
B2980 supports the ARM-TRIGGER model described in 1999 SCPI Command
Reference. Operation summary of this trigger model is described below. Also see
Figure 5-10.
The trigger system can be initiated by pressing the Single key on the front panel.
For the trigger setup parameters, see “Trigger Setup Sub-panel” on page 157 and
“Trigger Configuration Dialog Box” on page 183.
1. Moves to the ARM layer if the trigger system was initiated.
2. Waits for the ARM event which is a signal from the ARM trigger source.
3. Moves to the TRIGGER layer if the ARM event was detected and the ARM delay
time elapsed.
4. Waits for the TRIGGER event which is a signal from the TRIGGER trigger
source.
5. Executes the device action if the TRIGGER event was detected and the
TRIGGER delay time elapsed.
6. Repeats 4 and 5 until the TRIGGER count reaches the specified count. And
then moves to the ARM layer.
7. Repeats 2 to 6 until the ARM count reaches the specified count. And then
moves to the Idle layer.
This trigger model is applied to two device actions, Transient (voltage source
output for B2985B/B2987B) and Acquire (measurement) independently. Two
actions can start simultaneously or separately.
Run/Stop key
The Run/Stop key sets the operation of the trigger system to AUTO or off.
In the AUTO status, this instrument repeats measurement (Acquire device action)
under the predefined trigger conditions. The Transient device action is not
performed.
For the predefined trigger conditions, see “Run/Stop” on page 132.
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