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Camera Performance and Features
Linea ML Color Cameras
Camera Performance and
Features
This section is intended to be a progressive introduction to the features of the camera, including
explanations of how to use them effectively.
A detailed description of all features is found in Appendix A: GenICam Commands.
Synchronizing to Object Motion
Triggering the camera
Relevant Features:
There are several different methods that can be used to trigger image acquisition in the camera.
Internal Trigger
The simplest method is to set the Trigger Mode to off. As a result, the camera is triggered by an
internal timer and can be adjusted by the Acquisition Line Rate feature.
External Triggers
When the Trigger Mode is set to External, the triggers to the camera can come from different
sources which are set by the Trigger Source feature.
The available sources for the triggers are from pin 5 of the GPIO connector, from the Camera Link
HS frame grabber, or from the rotary encoder feature (using pin 5 and pin 6 of the GPIO
connector).
Use the Trigger Activation feature to select the edge or level that triggers the camera. The options
are: Rising Edge, Falling Edge, or Either Edge.
CamExpert can be used to configure the frame grabber for routing the encoder signal from the
frame grabber input to the trigger input of the camera via the Camera Link HS data cable.
The continuous stream of encoder trigger pulses synchronized to the object motion establishes the
line rate. The faster the object’s motion is, the higher the line rate. The camera can accommodate
up to its specified maximum frequency. If the maximum frequency is exceeded, the camera will
continue to output image data at the maximum specified. The result will be that some trigger
pulses will be missed and there will be an associated distortion (compression in the scan direction)
of the image data. When the line rate returns to below the maximum specified, then normal
imaging will be reestablished.
Содержание ML Series
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