User`s guide

36 • Operation Theory
(M_Counter=M=2, NumChan_Counter=4, PSC_Counter=N=2)
Acquisition_in_progress
Scan_start
AD_conversion
Scan_in_progress
(
SSHOUT
)(pin8 on CN2)
Acquired data
Acquired & stored data
(M+N scans)
Trigger occurs when a scan is in progress
Operation 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 where you want to collect data
after a trigger event. The number of scans after the trigger is specified in
PSC_counter, as illustrated in fig 18. The total acquired data length =
NumChan_counter *PSC_counter.
(NumChan_Counter=4, PSC_Counter=3)
Acquisition_in_progress
Scan_start
AD_conversion
Scan_in_progress
(SSHOUT)(pin8 on CN2
Acquired & stored data
(3 scans)
Operation start
Trigger
Figure 18: Post trigger