AW00123409000 Image Acquisition Control
Basler ace USB 3.0 149
Camera Model Exposure Overhead C
1
8 bit Pixel Format 12 bit p Pixel Format 12 bit Pixel Format
acA1920-25um 810 µs 810 µs 810 µs
acA2500-14um 810 µs 810 µs 810 µs
acA3800-14um 22285 µs 28516 µs 48371 µs
Table 38: Exposure Overhead Time for Mono Cameras in Global Reset Release Mode
Camera Model Exposure Overhead C
1
8 bit Pixel Format 12 bit p Pixel Format 12 bit Pixel Format
acA1920-25uc 810 µs 810 µs 810 µs
acA2500-14uc 810 µs 810 µs 810 µs
acA3800-14uc 22310 µs 28545 µs 48402 µs
acA4600-10uc 23273 µs 30513 µs 61217 µs
Table 39: Exposure Overhead Time for Color Cameras in Global Reset Release Mode
If you want to use a flash window the global reset release mode gives you
advantages over using the rolling mode:
In global reset release mode the flash window width extends over the entire
exposure time of a line in a sensor. In rolling mode, however, the flash
window width can only extend over part of the exposure time of a sensor line
(compare Figure 63and Figure 64). Therefore, at a given frame rate, the
global reset release mode allows for longer useful exposure times.
In global reset release mode a flash window is always available, whereas in
rolling mode it is not if Exposure Time ≤ Reset Runtime.
In global reset release mode the flash window opens immediately after the
frame start trigger has occurred. For switching a flash on and off you
therefore do not have to wait and do not depend on the flash window signal
but can use the Exposure Active signal instead, if available. For more
information about the Exposure Active signal, see Section 6.8.1 on page 161.
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