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CamExpert Quick Start
Xtium2-CL MX4 User's Manual
External Trigger Category
The External category groups parameters for configuring an external trigger for controlling image
acquisition.
Parameter Descriptions
The following table describes the CamExpert External Trigger category of Sapera LT parameters.
Acquisition server notes, if applicable, indicate if parameter availablility or supported values are
dependent on the selected frame grabber acquisition server and acquisition device.
Display
Name
Parameter
Description
External Trigger
Enables/disables external trigger on the acquisition
board. When enabled, the acquisition board acquires an
image frame from the camera after receiving the trigger.
Boolean parameter (TRUE or FALSE).
Note: Applies to area scan cameras only.
External Trigger
Detection
CORACQ_PRM_EXT_TRIGGER_DETECTION
Defines the signal detected that generates an external
trigger event to the acquisition device.
Two types of trigger are available:
Level Trigger: Active Low / High
Logic level (Low/High) on the trigger input enables
continuous image capture until the trigger input is set to
opposite logic .
Edge Trigger: Rising / Falling edge
Edge transition of a trigger pulse captures one image
frame.
External Trigger
Level
Specifies the electrical level of the external trigger
connected to the acquisition board.
Possible values:
TTL
single-ended logic signal
RS-422
balanced logic signal
12V
single-ended logic signal
24V
single-ended logic signal
