Exposure Mode - JAI SP-45000M-CXP4 User Manual

Exposure Mode

This camera has three Exposure modes (Off, Timed, TriggerWidth).
Use [AcquisitionControl] settings to perform operations and settings for exposure.
ExposureMode = Off
Exposure control is not performed (free-running operation).
The exposure time is the longest possible time within the operating conditions such
as the frame rate.
ExposureMode = Timed
Mode in which control is performed using exposure time. Acquire images using an
exposure time configured beforehand on an external trigger.
In this mode, the exposure time can be adjusted automatically by setting
[ExposureAuto]. For details, refer to "ALC (Automatic Brightness Control) Function".
ExposureMode = TriggerWidth
Mode in which control of the exposure time is performed using the pulse width of
the trigger input signal. The exposure time will be the same as the pulse width of
the trigger input signal.
Trigger
Exposure
• The settings for exposure control and triggers are related to each other. Be sure to
configure the settings described in "Trigger Control".
Actual Exposure Times
The minimum exposure time that can be set for each operation mode and CXP
mode is as follows.
Operation mode
Normal
HDR(Linear)
HDR(Knee)
FrameIntegration(Exposure)
FrameIntegration(Frame)
The actual exposure time will be shorter than the time set for this camera.
・Operation mode is Normal or FrameIntegration(Exposure, Frame)
PixelFormat : Mono8 or Bayer8
The actual exposure time is obtained by subtracting 9.6μs from the set time.
PixelFormat : Mono10 or Mono12 or Mono14 or Bayer 10 or Bayer12 or Bayer14
The actual exposure time is obtained by subtracting 8.2μs from the set time.
・Operation Mode is HDR(Linear, Knee)
The actual exposure time is obtained by subtracting 15.8μs from the set time.
CXP6-4
60μs
60μs
60μs
210μs
210μs
— 20 —
SP-45000M-CXP4/SP-45000C-CXP4
CXP6-2
90μs
90μs
90μs
210μs
210μs
Acquisition
Control