PMA_CHR_CD40199_R01_allPIXA_SWIR_GigE_User_Manual.docx
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5.3.3 Using a light barrier to trigger frame start
Application example:
scanning objects of fixed length but variable distance on a conveyor belt.
Frame start is controlled by a light barrier. Image height is fixed.
Refer to section 5.6 and 5.1.3 on how to connect the light barrier to the digital I/O connector of
the camera.
Feature settings in feature group
Acquisition Control
:
Trigger Selector
:
Frame Start
Trigger Mode
:
On
Trigger Source
:
e.g.,
Line 3
(when the light barrier is connected to line 3 of the digital I/O connector of the camera)
Trigger Activation
: typically
Rising Edge
Trigger Delay [Lines]:
depending on the distance (in captured lines) between light barrier
and camera.
