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Nano Series GigE Vision Camera
Operational Reference
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Exposure Controls Detail
Exposure Control modes define the method and timing of controlling the sensor integration period.
The integration period is the amount of time the sensor is exposed to incoming light before the
video frame data is transmitted to the controlling computer.
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Exposure control is defined as the start of exposure and exposure duration.
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The feature Exposure Mode selects the controlling method for the exposure.
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The start of exposure is initiated by an internal timer signal, an external input trigger signal, or
a software function call.
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The exposure duration can be programmable (ExposureMode = Timed) or controlled by the
external input trigger pulse width (ExposureMode = TriggerWidth).
Synchronous Mode Timing
Synchronous Mode: Exposure is synchronous to the line timing of the sensor. Exposure time steps
are 1µs and the readout can be concurrent to the exposure for the fastest possible frame rate.
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Synchronous mode starts the exposure period aligned to the sensor horizontal line timing and
the programmable duration steps are 1µs.
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Exposure duration is from a camera sensor specific minimum (in µs) up to 16 sec.
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In this mode, sensor exposure and sensor readout of the previous frame's exposure occur
simultaneously. This allows operating the sensor up to its maximum frame rate.
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Any trigger received before the start of frame readout is ignored and generates an invalid frame
trigger event.
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Since the external trigger is asynchronous with the Nano horizontal line timing, the frame
exposure start is subject to 1 horizontal line jitter.
Содержание Genie Nano Series
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