Photon Focus OEM-D1024E, Руководство пользователя

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4 Functionality
P C L K
F V A L
L V A L
D A T A
D e c i m a t i o n x - d i r e c t i o n
D V A L
v n v v n v v n v v n v v n v v n v
v D a t a i s v a l i d
n v D a t a i s n o t v a l i d
Figure 4.35: Decimation in x-direction uses the hand shake signal DVAL in the OEM-D752E-40 and in the
OEM-D1024E-40 camera modules
trigger will be ignored. The camera module property Counter.MissedTrigger stores the number
of trigger events which where ignored.
4.7.1 Trigger Source
The trigger signal can be configured to be active high or active low. One of the following
trigger sources can be used:
Interface Trigger In the interface trigger mode, the trigger signal is applied to the OEM
camera module by the user electronic.
I/O Trigger In the I/O trigger mode, the trigger signal is applied directly to the OEM camera
module by an additional trigger signal.
4.36 serves to demonstrate two different ways to trigger the OEM camera modules. The
example displays the possible input either from the CameraLink interface or from the trigger
input via the opto isolated trigger.
I n t e r f a c e T r i g g e r
D A T A
C a m e r a
o p t o
I / O
C L
F r a m e g r a b b e r
A n y T r i g g e r
S o u r c e
I / O T r i g g e r
A n y T r i g g e r
S o u r c e
Figure 4.36: Trigger Inputs of the OEM camera modules, demonstrated here for clarity in the context of a
camera vision system
4.7.2 Trigger Mode
Depending on the trigger mode, the exposure time can be determined either by the camera
module or by the trigger signal itself:
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