User`s manual

Image Acquisition Control AW00104701000
116 Basler scout light GigE
For more information about the electrical requirements for input line 1, see Section 7.7.1 on
page 64.
For more information about determining the maximum allowed frame rate, see Section 9.12 on
page 144.
9.6.3.2 Exposure Modes
If you are triggering the start of frame acquisition with an externally generated acquisition start
trigger (ExASTrig) signal, two exposure modes are available: timed and trigger width.
Timed Exposure Mode
When timed mode is selected, the exposure time for each frame acquisition is determined by the
value of the camera’s exposure time parameters. If the camera is set for rising edge triggering, the
exposure time starts when the ExASTrig signal rises. If the camera is set for falling edge triggering,
the exposure time starts when the ExASTrig signal falls. The following figure illustrates timed
exposure with the camera set for rising edge triggering.
Fig. 32: Timed Exposure with Rising Edge Triggering
Note that if you attempt to trigger a new exposure start while the previous exposure is still in
progress, the trigger signal will be ignored. This situation is illustrated below for rising edge
triggering.
Fig. 33: Overtriggering with Timed Exposure
ExASTrig Signal Period
Exposure
(duration determined by the
exposure time parameters)
ExASTrig Signal
This rise in the trigger signal will be ignored.
Exposure
(duration determined by the
exposure time parameters)
ExASTrig Signal