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AM-1600CL / AB-1600CL
- 21 -
6.4.4.
Partial Scan
Partial scan allows higher frame rates by reading out a smaller portion of the image. This is
particularly useful when inspecting objects that do not fill the whole height of the image.
Vertical timing
FVAL
LVAL
0 . 5
L
F r o n t o f F r a me
B a c k o f F r a me
E f f e c t i v e L i n e s
1
C
B
A
2 6 0
8 0 0
2 0
3
1 0 8 4
1 0 8 1
In case the start line:2448 line, image height:800 lines
Partial scan mode (FVAL period)
int High Speed
Transfer
int_XSG
int_XSUB
(Exposure)
EEN
DATA out
DVAL
Fig.15. Partial scan Vertical Timing
Horizontal Timing ( Same as normal scan )
LVAL
int_XSUB
int_XSG
(Exposure)
EEN
(CCD out)
DATA out
DVAL
OB
Buffer
Effective pixels
1CLK=33.33 ns ( 30MHz)
Continuous ( LVAL period)
OB
Buffer
2960
2468
492
8 8
2436
8 8
2436
524
Fig.16. Partial scan Horizontal Timing
Summary of Contents for AB-1600CL
Page 28: ...AM 1600CL AB 1600CL 28...
Page 60: ...AM 1600CL AB 1600CL 60...
Page 61: ...AM 1600CL AB 1600CL 61...