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Chapter 5 Image Acquisition
NI 17xx Smart Camera User Manual 5-10 ni.com
Refer to Equations 5-5 and 5-6 to calculate the minimum frame period for
triggered acquisitions with and without strobing.
(5-5)
(5-6)
where T is the trigger synchronization variability,
L is the lighting turn-on time,
E is the exposure time, and
R is the image readout duration.
Tables 5-1 and 5-2 list the values for the trigger synchronization variability
and the lighting turn-on time, respectively.
The image readout duration varies depending on the smart camera
configuration, as shown in Table 5-3.
Table 5-3. Image Readout Duration
Smart Camera Model Full Scan 1/2 Scan 1/4 Scan Binning
NI 1722
NI 1742
NI 1762
16.38 ms 8.86 ms 5.49 ms 8.17 ms
NI 1744
NI 1764
76.47 ms 41.38 ms 24.70 ms 38.23 ms
min frame period
NoStrobeWithTrigger
max T L E++ Trigger Delay,()=
min frame period
WithStrobeWithTrigger
max T L E R+++ Trigger Delay,()=