U
SER
M
ANUAL
16
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CXP
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ONO
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06/2017
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If T
per
is the Line Period (internal or external coming from the Trigger line), in order to
respect this line Period, the Exposure Time as to be set by respecting :
T
int
+ T
pix
<= T
per
Then, the real exposure time is :
Tint
real
= T
int
+ T
x
- T
d
.
In the same way, The high level period of the Trig signal in sync=3 mode,
T
ht
>=
T
pix
For a Line Period of LinePer, the maximum exposure time possible without reduction of line
rate
is :
Tint
max
=
T
per
-T
pix
(
T
pix
is defined above) but the effective Exposure Time will be about
Tint
real
= T
int
+ T
x
. -
T
d
B.2
Synchronisation Modes with Maximum Exposure Time
In these modes, the rising edge of the Trigger (internal or External) starts the readout process (T
pix
) of the
previous integration. The Real exposure time (Tint
real
) is finally equal to the Line Period (
T
per
) even if it’s
delayed from (
T
x
+ T
d
) from the rising edge of the incoming Line Trigger.
B.3
Timing Values
Label
Min
Unit
T
pix
5
µs
T
x
3,1
µs
T
h
0,120
µs
T
ht
T
pix
µsec
T
d
1,1
µs
Line Trigger
CC1 or Internal
T
d
T
per
=
T
int
T
h
Digital Conversion
T
pix
Tint
real
T
x
Exposure Time
Internal
Synchro
Mode
Sync = 2
Sync = 5
In the
Camera /
sensor
Digital Conversion
T
pix
T
x
7µs
2,5µ
s
Tint
prog
5µs
10µs
1,5µ
s
Tint
real
Tper
min
