Fairchild Imaging MRDI User Manual page 19

ExSync Line Synchronization with Electronic Shutter Control is the fourth mode (Figure 3.4.5).
It gives the user asynchronous hardware control both start and end of integration.
The control lines ExSync and ElectronicShutter are CameraLink
as described in Reference A, and must be asserted by the frame grabber.
Mode
Synchronization
2K.LS drives the frame
Free
Running
1
Motion of the subject
being imaged must be
(factory default)
ExSynch
2
Sychronization
ExSynch
Synchronization
3 with
Programmable
Integration Time
ExSynch
Synchronization
with
4
Electronic
Shutter
Control
Fairchild Imaging • CAM/CMOS-2K.LS Line Scan Camera User's Manual • Rev A • 19 of 41
Summary of CAM/CMOS-2K.LS Modes
Line
Start
Trigger
The
CAM/CMOS -
The CAM/CMOS
2K.LS
LineValid
grabber(s).
Camera
Output
Triggers
the
frame
synchronized to the
grabber(s)
CAM/CMOS-2K.LS
by
.
Going
High
The
User
Triggers
The User the
Synchronizes CAM/CMOS-
the 2K.LS
CAM/CMOS-2K.LS by
via an taking
Encoder. ExSynch
Camera
Input
Low
TM
Table 3.4.1
Line
End
Integration
Line Ends
t - t
LinePeriod XFR
after
LineValid
Camera Output
Goes High
User may set
Camera Output
t
Goes High
LinePeriod
with Software
When the User
takes
ExSynch
the System
Camera Input Low
Again
(In this way,
Camera Input
the
Line Rate
is
User-Set
by
Frequency
of
ElectronicShutter
ExSynch)
Camera Input High
lines CC1 and CC2 respectively
Start End
of of
Integration
t t
Initiation
Integration
+ t
Reset
after
-t
XFR
start of Integration
after
User may set
LineValid
t
Integration
with Software
When the User
t
Reset
takes
after
ExSynch
Camera Input Low
takes
the
t
Integration
ExSynch
after User
takes ExSync
High
Camera Input High
t
Reset
When
after
the User
the User
takes the
takes
ElecShutter
Camera Input Low
+ t
Reset