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4
TRIGGER
4.1 Trigger block diagram
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DESCRIPTION
a
Each analog input is connected to a level trigger block.
b
Select on which channel to trigger (when using level trigger).
c
Internal trigger generator.
d
A software trigger is available for user control.
e
External trigger input from backplane (different in PXIe and MTCA)
f
External trigger input on front panel connector TRIG.
g
External trigger input on front panel connector SYNC.
h
Select which type of trigger to activate.
i
The trigger blocking function controls the flow of triggers to the
acquisition engine.
j
Select which channels to record data from.
k
Acquisition engine creates a record from streaming data
l
Records are sent to data FIFO for transfer to the host PC
m
Activate trigger output and select source.
n
Select trigger output connector
o
Frame sync is a function that can group triggers.
p
Select source for sync output
q
Daisy chain trigger for synchronization
Figure 4: Trigger source selection and setup
19-2302 A
2020-09-16
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USER COMMAND
SetupLevelTrigger
SetupLevelTrigger
SetInternalTriggerPeriod
SWTrig
SetTriggerMode
SetupTriggerBlocking
MultirecordSetChannelMask
SetupTriggerOutput
SetupTriggerOutput
SetupFrameSync
SetupTriggerOutput
ADQ8-4X Manual
19-2302 A 2020-09-16
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REF
4.10
4.10
4.11
4.7
4.9
4.8.1
4.8.2
4.5
7
7
4.12
4.12
4.12.2
4.13
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