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Trigger Sources
The Keysight U2300A series USB DAQ devices provides flexible trigger options for
various applications. There are four types of trigger sources:
Users can configure the trigger source for A/D and D/A operations remotely.
– The D/A and A/D conversions share the same analog trigger.
NOTE
– Star trigger is used when the DAQ is connected into the modular instrument
All four types of trigger sources are summarized in the following tables.
Table 3-12
Trigger type for single-shot acquisition of continuous mode
Trigger Source
None (immediate trigger)
Digital trigger
Analog trigger
Table 3-13
Trigger type for continuous acquisition of continuous mode
Trigger Source
None (immediate trigger)
Digital trigger
Analog trigger
Keysight U2300A Series User's Guide
– none (immediate trigger)
– digital trigger
– analog trigger
– star trigger
chassis.
Type
– Post
– Delay
– Pre
– Middle
– Post
– Delay
Type
Cond ition
N/A
– Post
Positive/Negative
– Delay
Above High/Below Low/Window
Cond ition
N/A
Positive/Negative
Above High/Below Low/Window
Features and Functions
Pin Selection
N/A
EXTD_AI_TRIG, EXTD_AO_TRIG
EXTA_TRIG, SONE
Pin Selection
N/A
EXTD_AI_TRIG, EXTD_AO_TRIG
EXTA_TRIG, SONE
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