Mitsubishi Electric KD Series User Manual page 89

Contact image sensor, web surface inspection
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5-2 Setting(others):Prevention for Exposure Saturation
Address
Register name
7400h
PES_Enable
7404h
PES_MaxLinePeriod
7408h
PES_ProhibitedTime
5-2-24 Prevention for Exposure Saturation
[Function]
In case of external sync mode, if you start CIS operating
again with no external sync signal cannot be input while
CIS operating, image will be flare or underexposed.
If the following settings are made when the function is on,
image flare and under exposure will be suppressed when
you re-operate.
1) Setting the period to judge whether occurring the
condition without external sync. signal or not in
operating condition of CIS shown in above.
2) When you restart CIS to take image, output image data from
CIS taken on first sync signal may be incorrect due to
previous shutter is taken automatically and exposure period
is not sure.
Therefore, it sets the period to prohibit reinputting sync
signal.
TM-XJ959A
R/W
Parameter
Data
Switching prevention for exposure saturation On/Off
R/W
0 to 1
0:OFF /1:ON
Setting the period to judge whether occurring the
condition without external sync. signal or not.
R/W
0 to 65535
Setting prohibited period for resuming to input sync.
signal
R/W
0 to 65535
Function
ܵ݁‫= ܿ݁ݏݑ ݀݋ ݅ݎ݁ܲ ݃݊ ݅ ݐ ݐ‬
݁‫= ܿ݁ݏݑ ݀݋ ݅ݎ݁ܲ ݃݊ ݅ ݐ ݐ‬
【Remark】
1) Set the PES Max Line Period is longer than cycle time
of input sync. signal.
2) Set the PES Prohibited Time according to below range.
1/max. line rate≦ Prohibited Time≦ cycle time of input sync. signal
※Max. line rate is change by data output format, output frequency,
output resolution. Refer to p.31 for detail.
Initial
0
‫1 + ݁ݑ ݈ܽݒ ݎ݁ ݐݏ ݅݃݁ݎ‬
3840
35
‫1 + ݁ݑ ݈ܽݒ ݎ݁ ݐݏ ݅݃݁ݎ‬
35
1280
89
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