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3. Camera mode
18
3.2.4.
Trigger mode
This mode is for starting exposure by synchronization
with the external trigger input (DC IN connector or
DIGITAL IF connector) and then outputting the
individual video signals of all pixels after the time that
was set for the shutter elapses. There is the edge
detection mode for detecting the rise edge of the external
trigger signal and the width detection mode for detecting
the effective period of the trigger. The period of the
external trigger signal cannot be set shorter than the
shutter speed. Furthermore, if the shutter is set to OFF,
frame period (fps) is prioritized and the shutter speed
will be the reciprocal of the maximum exposure time
that can be set.
The shutter speed will be 1/15 s in normal mode, 1/30 s
in binning mode, and 1/15 s to 1/48 s depending on the
number of lines in partial scan mode. For details on
partial scan mode, see page 21.
T1 is the maximum exposure time.
T1 > 1253 H
T3 = T2 + 32 H
exposure time
≤
T1
* Shutter setting value in edge mode; pulse width in
width mode.
Edge trigger mode
T1
T3
1 H
1200 H
1600 CL
1
2
1
320 CL
T2*
11
99
1200
When trigger pulse polarity is positive
TRG (width)
FVAL
LVAL
DVAL
TRG (edge)
Video output
(lines)
1H = 53.333 µs
1 CL = 27.777 ns
Shutter
T1
Trigger width
T2
T3
2 s
2.001 s or more
100 µs or more 2 s or less
2 s
2.002 s
1 s
1.001 s or more
1 s
1.002 s
1/2 s
501 ms or more
500 ms
501.71 ms
1/7.5 s
134 ms or more
133.34 ms
135.05 ms
1/15 s
66.8 ms or more
66.68 ms
68.39 ms
1/30 s
33.34 ms
35.05 ms
1/60 s
16.67 ms
18.38 ms
1/100 s
10.01 ms
11.72 ms
1/120 s
8.33 ms
10.04 ms
1/250 s
4.01 ms
5.72 ms
1/500 s
1.983 ms
3.69 ms
1/1,000 s
1.023 ms
2.73 ms
1/2,000 s
543 µs
2.25 ms
1/5,000 s
223 µs
1.93 ms
1/10,000 s
117 µs
1.83 ms