User`s manual

AW00098504000 Image Acquisition Control
Basler ace Camera Link 85
You can also use the Basler pylon Viewer application to easily set the parameters.
For more information about the pylon API and the pylon Viewer, see Section 3.1 on page 19.
Setting the Parameters and Applying the Signal Using Direct Register Access
To set the parameters needed to perform software frame start triggering via direct register access
(with the acquisition start trigger mode set to off):
 Set the value of the Trigger Mode Acquisition Start register to Off.
 Set the value of the Acquisition Frame Period Enable register to 0 (false).
(This will disable the camera’s ability to internally control the frame period and allow you to
control the frame rate with a software trigger signals.)
 Set the value of the Trigger Mode Frame Start register to On.
 Set the value of the Trigger Source Frame Start register to Software.
 Set the value of the Exposure Mode register to Timed.
 Set the value of the Exposure Time Raw parameter as desired.
A value in a raw register is simply an integer value with no units. To determine what the actual
setting will be, you must multiply the value in the raw register by the camera’s time base. The
time base on ace cameras is 1 µs.
For example, if you set the Exposure Time Raw register to 1000, the exposure time would be
1000 µs (1000 x 1 µs = 1000 µs).
 Set the value of the Trigger Software Frame Start register to 1.
Setting the value of this register to 1 applies a software frame start trigger to the camera. The
register resets to 0 when execution is complete.
To determine the acquisition status of the camera via direct register access:
 Read the value of the Status Frame Trigger Wait register.
A value of 0 indicates that the camera is not ready to receive a frame start trigger.
A value of 1 indicates that the camera is ready to receive a frame start trigger.
For more information about direct register access, see Section 3.2 on page 21.