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This example uses a DAQ device to create a pulse train in order to trigger an image acquisition.
GigE Cameras are generally triggered via an external trigger line; the trigger method itself is described by the camera's manufacturer in the GeniCam XML File.
In this particular example, a DAQmx task is created to generate a pulse train; this pulse train ought then be wired into the camera's trigger line to control the Grab. The example thus requires a DAQ Device that possesses a counter output and is compatible with DAQmx. A property node is used to allow the user to chose the desired trigger mode.
Steps to Implement or Execute Code
Select the camera to be used
Enable triggered mode as well as the desired trigger activation and Timeout.
Select the counter to be used
Select a frequency for the counter
Run the VI
This example requires a GigE Camera with an external trigger line. In order to trigger the camera, a DAQ device with a counter output is used; as such, an external connection must be made between the DAQ device and the camera. The DAQ device must be compatible with the DAQmx driver.
LabVIEW 8.6 "or compatible"
Vision Acquisition Software 8.6 "or compatible"
NI DAQmx 8.6.1 "or compatible"
Additional Information or References
**This document has been updated to meet the current required format for the NI Code Exchange. For more details visit this discussion thread**