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Image Acquisition Control Interface:
D-Sub Signal Control Interface Operation Sequence
Description of the sequence
1. By receiving "EXP_REQ" during "Refresh" status proceeds to "Exposure" after completion of
"Refresh".
2. Continues "EXP_OK" signal ON during "Exposure". ON period is defined by Image Acquisition
mode table.
3. Proceeds to "Data Read" after completion of Exposure.
4. After "Read", FPI proceeds to status of "Refresh".
5. When use "Double Exposure ", please repeat from 1 to 4.
(1) Single Exposure
FPI Drive
EXP_REQ
<IN>
EXP_OK
<OUT>
EXPOSURE
DATA_STORAGE
POWER ON
A: EXP_REQ width
Minimum 1ms
B: Refresh period
For line drive (3072 Line scan), 36.9ms
C: EXP period
Set value: see the Image acquisition mode table (50 to 500ms, 1000ms, 2300ms, 3200ms and
D: Read period
For line drive (3072 Line Scan) 1222 ms
①：EXP_REQ－EXP_OK period ......................................................................... Maximum 40 ms
②：EXP_REQ－DATA STORAGE period ........... Maximum 2000 ms (case EXPOSURE 500 ms)
③：POWER ON－EXP_REQ period .................................................................. Minimum 520 ms
B
Ref
Ref
Ref
③
①
A
4000ms, standard 500ms) selectable by command.
D
C
Exposure
Read
#1
#1
②
C
Data
-7-
Ref
Ref
Ref
FDX4343R
Ref
Ref
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