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D4235067D
ExposureControl
BG series is able to adjust exposure time by using electric shutter control.
This camera series provides two kinds of exposure time control mode.
- MANUAL mode
: The exposure time is determined by
“ExposureTime” register setting value.
- AE mode
: The exposure time is adjusted automatically by the photometry of the image.
By combining AE mode and AGC (ALC mode), it can adjust a wide range of brightness fluctuation of the
subject. About details of ALC mode, refer to "ALC Control" of "Functions".
When HardwareTrigger operation, you are able to control the exposure time by pulse width of external
trigger input signal.
Image
GbE bus
Exposure
Trigger
ExposureTime
GbE bus
Exposure
Trigger
Pulse Width
Image
Timed mode
TriggerWidth mode
Fig.5-8 Exposure control
● Registers
Register
Visibility
Access
Description
ExposureMode
Beginner
R/W
Selects manual exposure mode.
ExposureTime
Beginner
R/W
Sets absolute exposure time(timed mode).
ExposureAuto
Beginner
R/W
Sets AE operation.