User`s guide

Operation Theory
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35
(M_Counter=M=2, NumChan_Counter=4, PSC_Counter=N=2)
A
cquisition_in_progress
Scan_start
A
D_conversion
Scan_in_progress
(SSHOUT)(pin8 on CN2)
A
c
q
uired data
A
cquired & stored data
(M+N scans)
Trigger occurs when a scan is in progress
O
p
eration start
Trigger
M scans before
trigger
N scans
after trigger
Figure 17: Middle trigger (trigger occurs when a scan is in
progress)
Post-Trigger Acquisition
Use post-trigger acquisition in applications to collect data after a trigger
event. The number of scans after the trigger is specified in PSC_counter,
as illustrated in figure 18. The total acquired data length = Num-
Chan_counter *PSC_counter.
(NumChan_Counter=4, PSC_Counter=3)
A
cquisition_in_progress
Scan_start
A
D_conversion
Scan_in_progress
(SSHOUT)(pin8 on CN2
A
cquired & stored data
(3 scans)
O
p
eration start
Trigger
Figure 18: Post trigger