AW00011916000 Image Acquisition Control
Basler scout GigE 167
Due to the nature of the Ethernet network, the transmission start delay can vary from frame to
frame. The transmission start delay, however, is of very low significance when compared to the
transmission time.
For more information about the Payload Size and Device Current Throughput parameters, see
Section 5.1 on page 57.
9.13 Maximum Allowed Acquisition Frame
Rate
(All Models Except scA750-60)
In general, the maximum allowed acquisition frame rate can be limited by three factors:
The amount of time it takes to read an acquired frame out of the imaging sensor and into the
camera’s frame buffer. This time varies depending on the height of the frame. Frames with a
smaller height take less time to read out of the sensor. The frame height is determined by the
camera’s AOI Height settings.
The exposure time for acquired frames. If you use very long exposure times, you can acquire
fewer frames per second.
The amount of time that it takes to transmit an acquired frame from the camera to your host
PC. The amount of time needed to transmit a frame depends on the bandwidth assigned to the
camera.
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 bandwidth
settings into account.
For more information about the acquisition mode, see Section 9.2 on page 105 and Section 9.3 on
page 109.
The information in this section applies to all camera models except the
scA750-60 gm/gc. For information about scA750-60 gm/gc cameras, see
Section 9.14 on page 171.
When the camera’s acquisition mode is set to single frame, the maximum possible
acquisition frame rate for a given AOI cannot be achieved. To achieve the
maximum possible acquisition frame rate, set the camera for the continuous
acquisition mode.
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