Basler SCOUT LIGHT User Manual download pdf (Page 60)

Image Acquisition Control

52 Basler scout light

Changing the Exposure Time Base

Normally, the exposure time is adjusted by setting the value of the Exposure Time Raw parameter

as explained above. However, if you require an exposure time that is longer than what you can

achieve by changing the value of the Exposure Time Raw parameter alone, the Exposure Time

Base Abs parameter can be used to change the exposure time base.

The Exposure Time Base Abs parameter value sets the exposure time base in µs and this

parameter can be used to change the exposure time base.

On all camera models except the slA750-60fm, the default exposure time base is 20 µs and the

time base can be changed in increments of 1 µs.

On slA750-60fm cameras, the default exposure time base is 31 µs and the time base can be

changed in increments of 31 µs.

You can set the Exposure Time Raw and Exposure Time Base Abs parameter values from within

your application software by using the pylon API. The following code snippet illustrates using the

API to set the parameter values:

Camera.ExposureMode.SetValue( ExposureMode_Timed );

Camera.ExposureTimeRaw.SetValue( 100 );

Camera.ExposureTimeBaseAbs.SetValue( 186 );

For detailed information about using the pylon API, refer to the Basler pylon Programmer’s Guide

and API Reference.

You can also use the Basler pylon Viewer application to easily set the parameters.

For more information about the pylon Viewer, see Section 3.1 on page 17.

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Basler SCOUT LIGHT User Manual Page 60