Image Acquisition Control
Basler pilot 91
8.4 Exposure Time Parameters
Many of the camera’s image acquisition modes require you to specify an exposure time. There are
two ways to set exposure time: by setting "raw" values or by setting an "absolute value". The two
methods are described below. You can use whichever method you prefer to set the exposure time.
The exposure time must not be set below a minimum specified value. The minimum exposure time
for each camera model is shown in Table 10.
The maximum exposure time that can be set is also shown in Table 10.
For information on parameter settings for obtaining the maximum possible exposure time, see
Section 8.4.1 on page 92.
Camera Model Minimum Allowed Exposure Time Maximum Possible Exposure Time
piA640-210gm/gc 28 µs 10000000 µs
piA1000-48gm/gc 24 µs 10000000 µs
piA1600-35gm/gc 50 µs 10000000 µs
piA1900-32gm/gc 69 µs 10000000 µs
piA2400-12gm/gc 45 µs 10000000 µs
piA2400-17gm/gc 29 µs 10000000 µs
Table 10: Minimum Allowed Exposure Time and Maximum Possible Exposure Time
Note
Exposure time can not only be manually set (see below), but can also be
automatically adjusted.
Exposure Auto is an auto function and the "automatic" counterpart to manually
setting an "absolute" exposure time. The exposure auto function automatically
adjusts the Auto Exposure Time Abs parameter value.
In contrast to the manually set "absolute" exposure time, the automatically
adjusted "absolute" exposure time is not restricted to multiples of the current
exposure time base. The automatic adjustment is not available when trigger width
exposure mode is selected.
For more information about auto functions, see Section 11.11.1 on page 196.
For more information about the Exposure Auto function, see Section 11.11.3 on
page 205.
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