54
NED
RCDL2K20CL
UME-0115-02
4.8.3
External Trigger Exposure Mode (Trigger Level)
In the external trigger (Ext Level) exposure mode, the line period is set by the period
of the trigger (CC1) signal and the exposure time is set by the time when the trigger
(CC1) signal is High.
The line period and exposure time that can be set are as follows.
Table 4-8-3-1 Programmable Exposure Time (Trigger Level)
a
Trigger pulse H time
(
μsec.)
≧
15.9
b
Trigger pulse L time
(
μsec.)
≧
2.9
c
Trigger pulse cycle
(
μsec.)
≧
50.0
Exposure
①
Trigger
②
①
②
③
③
(CC1)
c
b
a
a
④
⑤
④
⑤
Figure 4-8-3-1 External Trigger (Trigger Level) Exposure Mode
Note:
The timing of reading out does one scanning delay from the exposure.