Allied International V2.4.0 Manual Do Utilizador
Video formats, modes and bandwidth
OSCAR Technical Manual V2.4.0
136
Oscar F-320C: AOI frame rates
Frame rates differ for the progressive scan mode and the field read out (or
interlaced) mode.
interlaced) mode.
Oscar F-320C: progressive scan mode
For progressive scan mode (i.e. fixed formats and Format_7, Mode_2), the
following formula applies:
following formula applies:
Formula 6: Frame rate calculation progressive scan mode Oscar F-320C
AOI height
T
frame
/ s
Frame rate / fps
254
0.025
39.679
240
0.024
41.796
120
0.013
77.032
60
0.008
133.163
30
0.005
209.486
Table 55: Frame rates progressive Oscar F-320C
Figure 56: Graph of frame rates in progressive scan mode Oscar F-320C
frame rate
1
T
Ch
eTrans
arg
T
Dummy
T
Dump
T
Scan
+
+
+
-----------------------------------------------------------------------------------------------
=
frame rate
1
290µs
257
AOI_HEIGHT
–
(
) x 6.8µs AOI_HEIGHT 98µs
×
+
+
-----------------------------------------------------------------------------------------------------------------------------------------------------
=
Frame rate = f(AOI height)
0
20
40
60
80
100
120
140
160
180
200
220
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
AOI height / pixel
Fr
a
m
e
r
a
te
/
f
p
s
OF-320C Progressive (Format_7 Mode_2 and all fixed modes)