Pco Edge 3.1, Руководство пользователя

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14
FPS based (only Camera Link interface)
The camera optimizes the image recording to achieve as close as
possible the selected frame rate with chosen exposure time.
Only for
Auto Sequence trigger mode and only available with
Camera Link Interface
Set the frame rate first. If the time required for the image readout is
longer than 1 / frame rate, the frame rate will be reduced to
1 / t
readout
.
The frame rate can be adjusted in steps of 1 mHz (Rolling Shutter).
If the selected exposure time requires a lower frame rate, the
exposure time is cut to the maximum possible time at that frame rate.
Camera Frame rate (FPS Based) Exposure time
pco.edge 4.2 Camera Link
0.1…35 fps @ 95.3 MHz
100 µs…10 s
0.1…100 fps @ 272.3 MHz
pco.edge 5.5 Camera Link
0.1…100 fps @ 272.3 MHz
500 µs…2 s
0.5…100 fps @ 286 MHz
Exposure time > Sensor frame readout time
In case the required exposure time is longer than the frame readout
time, the image sensor is completely exposed to light for some time
(Common time ‘All Lines’ also see General Timing Diagram). In case
of a triggered flash illumination, this would be the best moment to
illuminate the image sensor. The hardware signal for the common
time is available on SMA input connector #4 (see
7.1 ).
This is an example timing diagram for
Trigger Mode Auto Sequence
NOTE
Δ t = t : 1 line time
(see chapter 1.2 )