21.9 mvBlueFOX3-2064 (6.4 Mpix [1456 x 1088]) 313
Name Value
InternalLineLength 462
VerticalBlankLines 37
SensorInClock 74.25 (@50 MHz Pixel clock)
NumberOfLVDS 8
21.9.3.1 Free running mode
In free running mode, the sensor reaches its maximum frame rate. This is done by overlapping erase, exposure and
readout phase. The sensor timing in free running mode is fixed, so there is no control when to start an acquisition.
This mode is used with trigger mode Continuous.
To calculate the maximum frames per second (FPS
max
) in free running mode you will need following formula:
InternalLineLength
*
8 ImageHeight + VerticalBlankLines
FrameTime = ------------------------------
*
----------------------------------
SensorInClock
*
NumberOfLVDS 1000
If exposure time is lower than frame time:
1
FPS_max = ------------
FrameTime
If exposure time is greater than frame time:
1
FPS_max = --------------
ExposureTime
Note
The exposure time step width is limited to the sensor's row time of 4.86 us and therefore
- auto exposure with very low exposure times will perform with relatively large increments and
- exposure mode = TriggerWidth (if available) will perform with a jitter corresponding to the row time
The following trigger modes are available:
Setting (GenICam) Mode / Setting (obsolete "Device
Specific")
Description
"TriggerSelector =
FrameStart"
"TriggerMode = Off"
Continuous Free running, no external trigger
signal needed.
"TriggerSelector =
FrameStart"
"TriggerMode = On"
"TriggerSource =
Software"
"ExposureMode = Timed"
To trigger one frame execute
the TriggerSoftware@i command
then.
OnDemand Image acquisition triggered by
command (software trigger).
MATRIX VISION GmbH
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