LQ-200CL
18
6.2.5 Pulse Width Control (PWC) mode
In this mode, the user has full control of both the line rate and the exposure time of each line via
the External Trigger input.
At the falling edge of the External Trigger signal, the exposure is initiated, and at the rising edge
the exposure is terminated and read out. The camera can accept an external trigger through the
Camera Link connector or though the 12-pin Hirose connector.
To use this mode:
Set function
Trigger mode, PWC
TR=2
Important Note:
Possible pulse width:
TTL input via 12P
52.6μs
Camera link input
52.6μs
One-push white balance by gain setting only.
The trigger interval is more than (Exposure 52.6μs).
When the one-push white balance has been initiated and the rear panel LED shows orange, the
camera must receive continuous external trigger pulses corresponding to the frequency and
duty cycle used in the application.
Fig. 16 Pulse Width Control mode
I
s
o
0
I
s
o
1
I
s
o
2
O
B
0
O
B
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O
B
2
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B
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4
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B
5
O
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6
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B
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O
B
8
O
B
9
T
P
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T
P
1
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P
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1
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1
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9
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6
T
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D
M
1
9
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M
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0
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M
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1
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M
0
D
M
1
D
M
2
φH2
φH1
φPG
φTG
φAB
Data
LVAL
DVAL
EEN
TRIGGER
30ck
30ck以内
10ck以内
Effective Video
2048