Basler raL2048-48gm User Manual Page 215

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AW00118302000 Chunk Features
Basler racer GigE 205
11.5 Trigger Counters
The camera has the following "trigger counters" available that can help you determine if you are
triggering the camera correctly:
the Line Trigger Ignored Counter
the Frame Trigger Ignored Counter
the Line Trigger End To End Counter
the Frame Trigger Counter
the Frames Per Trigger Counter
When a counter is enabled, a chunk is added to each completed frame containing the value of the
counter. So if you have all five counters enabled, for example, five chunks will be added to each
frame.
The Line Trigger Ignored, Frame Trigger Ignored, and Line Trigger End To End counters are each
32 bit counters. The Frame Trigger and Frames Per Trigger counters are each 16 bit counters.
Line Trigger Ignored Counter
The Line Trigger Ignored Counter counts the number of line triggers that were received during the
acquisition of the current frame but were ignored (not acted on). A line trigger will be ignored if the
camera is already in the process of acquiring a line when the trigger is received. Typically, this will
happen if you "overtrigger" the camera, i.e., try to acquire lines at a rate that is higher than allowed.
The magnitude of this counter will give you an idea of how badly the camera is being overtriggered.
The higher the counter, the worse the overtriggering.
Frame Trigger Ignored Counter
The Frame Trigger Ignored Counter counts the number of frame triggers that were not acted upon
during the acquisition of the frame because the camera was not ready to accept the trigger.
Typically, this will happen if you attempt to trigger the start of a new frame while the camera is
currently in the process of acquiring a frame.
The chunk mode must be made active before you can enable the time stamp
feature or any of the other chunk features. Making the chunk mode inactive
disables all chunk features.
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