The Frame Start Trigger; Frame Start Trigger Mode; Frame Start Trigger Mode = Off - Basler GIGE VISION ace acA640-100gm/gc Manual

6.4
The frame start trigger is used to begin frame acquisition. Assuming that the camera is in a "waiting
for frame start trigger" acquisition status, it will begin a frame acquisition each time it receives a
frame start trigger signal.
Note that in order for the camera to be in a "waiting for frame start trigger" acquisition status:
The Acquisition Mode parameter must be set correctly.
A proper Acquisition Start command must be applied to the camera.
A proper acquisition start trigger must be applied to the camera (if the Acquisition Start Trigger
Mode is set to on).
For more information about the Acquisition Mode parameter and about Acquisition Start and
Acquisition Stop commands, see Section 6.1 on
For more information about the Acquisition Start Trigger Mode parameter, about the acquisition start
trigger, and about the acquisition status, see Section 6.1 on
Referring to the use case diagrams that appear in Section 6.7 on
the explanations of the frame start trigger.
6.4.1
The main parameter associated with the frame start trigger is the Frame Start Trigger Mode
parameter. The Frame Start Trigger Mode parameter has two available settings: off and on.
6.4.1.1
When the Frame Start Trigger Mode parameter is set to off, the camera operates the frame start
trigger automatically and no action is required by the camera user.
With the trigger mode set to off, the way that the camera will operate the frame start trigger depends
on the setting of the camera's Acquisition Mode parameter:
If the Acquisition Mode parameter is set to single frame, the camera will automatically generate
a single frame start trigger whenever it receives an Acquisition Start command.
If the Acquisition Mode parameter is set to continuous frame, the camera will automatically
begin generating frame start triggers when it receives an Acquisition Start command. The
camera will continue to generate frame start triggers until it receives an Acquisition Stop
command. This mode of operation is commonly called "free run" because the camera will
generate frame start trigger signals continuously without the need for triggering by the user.
The rate at which the frame start triggers are generated will be determined by the camera's
Acquisition Frame Rate Abs parameter:
Basler ace
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The Frame Start Trigger

Frame Start Trigger Mode

Frame Start Trigger Mode = Off

If the parameter is not enabled, the camera will generate frame start triggers at the
maximum allowed frame rate allowed with the current camera settings.
If the parameter is enabled and is set to a value less than the maximum allowed frame
acquisition rate with the current camera settings, the camera will generate frame start
triggers at the rate specified by the parameter setting.
page 45 and Section 6.2 on
page 45 and Section 6.3 on
page 78
Image Acquisition Control
page 49.
page 50.
can help you understand
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