52
NED
RCDL2K20CL
UME-0115-02
4.8
Exposure Mode and Timing Chart
This camera has three exposure modes. This section provides an overview of each
exposure mode and its timing.
4.8.1 Free Run Exposure Mode (Programming time setting)
In the free-run exposure mode, the line rate and exposure time are set in the
camera control register, respectively.
The line rate and exposure time that can be set are as follows.
Table 4-8-1-1 Programmable Exposure Time
1/scan
LineRate (Hz)
500
～
2000
p
ExposureTime (µsec.)
2.000
～
1997.700
*1
*1
：
The programmable exposure time (μsec.) can be set in increments of 0.100μsec..
The relations of the programmable exposure time (μsec.) and the line rate (Hz) are as follows.
Programmable exposure time (p)
≦
(1 / Line rate) -
2.3 μsec.
Exposure
①
②
③
④
⑤
p
scan
Figure 4-8-1-1 Free Run Exposure Mode
Note:
The timing of reading out does one scanning delay from the exposure.
