10
D4253375C
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5.12 Random Trigger Shutter
An image is captured at the desired timing using trigger signal input. External trigger signal from
trigger input connector and software trigger from control command via the USB 3.0 interface are
available (Edge mode / Bulk mode). Trigger polarity is selectable (High active / Low active).
Note that Random Trigger Shutter will cause a delay between trigger signal and start of exposure.
See 7. Timing Chart for detail.
- Edge mode (TriggerSequence0)
The exposure time is determined by Exposure Time setting.
Exposure
Trigger
ExposureTime
Image
USB Streaming
- Level mode (TriggerSequence1)
The exposure time is determined by the pulse width of the trigger signal.
Exposure
Trigger
Pulse Width
USB Streaming
Image
- Bulk mode (TriggerSequence6)
Camera exposes and transfers multiple frames by a single trigger.
Exposure
Trigger
ExposureTime
TriggerAdditionalParameter = 3
Image
USB Streaming
Image
Image
Notes on Random Trigger Shutter :
- In the period when FRAME_TRIGGER_WAIT signal is inactive, user must not input external trigger
signal to this camera.
- When the interval of the input trigger signal is extremely short, or when the trigger signal is noisy,
there is a possibility of causing the malfunction. In this case, please input a proper trigger signal.
