User`s manual
Image Acquisition Control AW00098504000
94 Basler ace Camera Link
7.4 Setting the Exposure Time
If you are operating the camera in any one of the following ways, you must use the camera’s
Exposure Time parameter to set the exposure time:
the frame start trigger mode is set to off
the frame start trigger mode is set to on and the trigger source is set to software
the frame start trigger mode is set to on, the trigger source is set to line 1, CC1, CC2, or CC3,
and the exposure mode is set to timed
The minimum allowed exposure time for all camera models is 24 µs.
The maximum allowed exposure time for all camera models is 2500000 µs.
Setting the Exposure Time Using Basler pylon
If you are parameterizing the camera with Basler pylon, the exposure time is determined by the
setting of the Exposure Time Abs parameter. The Exposure Time Abs parameter sets the exposure
time in µs. The exposure time should be set in increments of 1 µs.
You can use the pylon API to set the Exposure Time Abs parameter value from within your
application software. The following code snippet illustrates using the API to set the parameter value:
// Set the exposure time to 1000 µs
Camera.ExposureTimeAbs.SetValue( 1000 );
You can also use the Basler pylon Viewer application to easily set the parameter.
For more information about the pylon API and the pylon Viewer, see Section 3.1 on page 19.
Setting the Exposure Time Using Direct Register Access
If you are parameterizing the camera via direct register access, the Exposure Time Raw register
sets the exposure time.
This section (Section 7.4) describes how the exposure time can be adjusted
"manually", i.e., by setting the value of the exposure time parameter.
The camera also has an Exposure Auto function that can automatically adjust the
exposure time. Manual adjustment of the exposure time parameter will only
work correctly if the Exposure Auto function is disabled.
For more information about auto functions in general, see Section 10.9 on
page 189.
For more information about the Exposure Auto function in particular, see
Section 10.9.5 on page 202.