VT Camera Link series
Page 26 of 88
VW40-161-001
8 Acquisition Control
This chapter provides detailed information about the following elements involved with the image acquisition.
Line Start Trigger
– Trigger Mode
Line Rate Control
8.1
Line Start Trigger
The Line Start trigger is used to begin line acquisition. Line Start trigger signals can be generated within the
camera or may be applied externally by setting the
Source
parameter to
CC1
or
External
. If a line start trigger
signal is applied to the camera, the camera will begin to acquire images.
8.1.1
Trigger Mode
The main parameter associated with the line start trigger is the
Trigger Mode
parameter. The
Trigger Mode
parameter for the line start trigger has two available settings:
OFF
and
ON
.
8.1.1.1
Trigger Mode = OFF
When the
Trigger Mode
parameter is set to
OFF
, the camera will generate all required line start trigger signals
internally, and you do not need to apply line start trigger signals to the camera.
If the
Trigger Mode
parameter is set to
OFF
, the camera will automatically begin generating line start signals.
Free Run
When you set the
Trigger Mode
parameter to
OFF
, the camera will generate all required trigger
signals internally. When the camera is set this way, it will constantly acquire images without any
need for triggering by the user. This use case is commonly known as “free run”.
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