Basler SCOUT LIGHT User Manual Page 78

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Image Acquisition Control
70 Basler scout light
6.11 Maximum Allowed Acquisition Frame
Rate
(slA750-60fm Only)
In general, the maximum allowed acquisition frame rate can be limited by two factors:
The sum of the exposure time plus the amount of time it takes to read the acquired image out
of the imaging sensor and into the camera’s frame buffer. (An acquired image is also known as
a frame.)
The exposure time is set by the user. If you use very long exposure times, you can acquire fewer
frames per second.
The readout time varies depending on the height of the frame. Shorter frames take less time to
read out of the sensor. The frame height is determined by the camera’s AOI Height settings.
The number of packets needed to transfer an acquired frame from the camera to your PC.
To determine the maximum allowed acquisition frame rate with your current camera settings, you
can read the value of the camera’s Resulting Frame Rate parameter. This parameter indicates the
camera’s current maximum allowed frame rate taking the AOI, exposure time, and packet size
settings into account.
You can read the current value of the Resulting Frame RateAbs parameter from within your
application software by using the pylon API. The following code snippet illustrates using the API to
get the parameter values:
// Resulting Framerate
double resultingFps = Camera.ResultingFrameRateAbs.GetValue();
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.
For more information about the AOI settings, see Section 9.4 on page 111.
Note
The information in this section only applies to slA750-60fm cameras. For
information about the other camera models, see Section 6.10 on page 65.
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