Dalsa C1240, Руководство пользователя

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Nano Series GigE Vision Camera Operational Reference • 113
Acquisition Frame Rate AcquisitionFrameRate Specifies the camera internal frame rate, in Hz.
Any user entered value is automatically adjusted to a valid camera value. Note that a change in
frame rate takes effect only when the acquisition is stopped and restarted.
Beginner
Exposure Mode ExposureMode Sets the operation mode for the camera’s exposure (or electronic shutter). Beginner
Timed Timed The exposure duration time is set using the Exposure Time feature and the exposure starts with a
FrameStart event.
Trigger Width TriggerWidth Uses the width of the trigger signal pulse to control the exposure duration. Use the Trigger
Activation feature to set the polarity of the trigger.
The Trigger Width setting is applicable with Trigger Selector = Single Frame Trigger(Start).
Exposure Alignment exposureAlignment Exposure Alignment specifies how the exposure is executed in relationship to the sensor capabilities
and current frame trigger.
DFNC
Beginner
Synchronous Synchronous Exposure is synchronous to the internal timing of the sensor. The readout is concurrent to the
exposure for the fastest possible frame rate. When a valid trigger is received and the ExposureTime
is shorter than the readout period, the ExposureStart event is latched in the previous frame’s
readout. That is; the ExposureStartEvent is delayed and is initiated when the actual exposure starts
such that the exposure ends and readout begins as soon as the previous readout has completed.
Reset Reset Sensor timing is reset to initiate exposure when a valid trigger is received. Readout is sequential to
exposure, reducing the maximum achievable frame rates. That is, a trigger received during
exposure or readout is ignored since data would be lost by performing a reset.
Exposure Delay exposureDelay Specifies the delay in microseconds (µs) to apply after the FrameStart event before starting the
ExposureStart event.
DFNC
Beginner
Exposure Time ExposureTime Sets the exposure time (in microseconds) when the Exposure Mode feature is set to Timed. Beginner
Actual Exposure Time exposureTimeActual Actual Exposure Time performed by sensor due to its design, based on the requested Exposure
Time.
Beginner
Sensor Shutter Mode SensorShutterMode States or selects the supported shutter mode of the device. Ver. 1.06
Beginner
Global Global The shutter exposes all pixels at the same time.
Global Reset GlobalReset The shutter opens at the same time for all pixels but ends in a line sequential manner.
Rolling Rolling The shutter opens and closes sequentially for groups (typically lines) of pixels.
Gain Selector GainSelector Selects which gain is controlled when adjusting gain features. Beginner
Sensor SensorAll Apply a gain adjustment within the sensor to the entire image. The first half of the gain range is
applied in the analog domain and the second half is digital.
Sensor Analog SensorAnalog Apply an analog gain adjustment within the sensor to the entire image.
Ver. 1-02
Sensor Digital SensorDigital Apply a digital gain adjustment within the sensor to the entire image.
Ver. 1.02
Digital DigitalAll Apply a digital gain adjustment to the entire image. This independent gain factor is applied to the
image after the sensor.
Gain Gain Sets the selected gain as an amplification factor applied to the image. User adjusts the Gain feature
or the GainRaw feature.
Beginner
Gain (Raw) GainRaw Raw Gain value that is set in camera (Model Specific for range and step values). Guru
Black Level Selector BlackLevelSelector Selects which Black Level to adjust using the Black Level features. Beginner
Analog AnalogAll Sensor Dark Offset