Photon Focus MV4 Series, User Manual

Page: 36 / 143

4 Image Acquisition
4.6 Acquisition-, Frame- and Exposure-Trigger Configuration
The acquisition-, frame- and exposure timing can be controlled by 7 triggers:
• Acquisition Start Trigger
• Acquisition End Trigger
• Frame Start Trigger
• Frame Burst Start Trigger
• Frame Burst End Trigger
• Exposure Start Trigger
• Exposure End Trigger
Fig. 4.13 shows the signal path which is available for every of the 7 triggers. It contains:
• Trigger Source Selection
• Trigger Software
• Trigger Mode
• Trigger Activation
• Trigger Divider
• Trigger Delay
E x p o s u r e E n d T r i g g e r
E x p o s u r e S t a r t T r i g g e r
F r a m e B u r s t E n d T r i g g e r
F r a m e B u r s t S t a r t T r i g g e r
F r a m e S t a r t T r i g g e r
A c q u i s i t i o n E n d T r i g g e r
D e l a y D i v i d e r
M o d e
O
n
O f f
A c t i v a t i o n
R i s i n g E d g e
F a l l i n g E d g e
B o t h E d g e s
S
o
u
r
c
e
.
.
.
S o f t w a r e
A c q u i s i t i o n S t a r t T r i g g e r
Figure 4.13: Trigger Path
4.6.1 Trigger Source Selection
The user can select the source which is used to generate the corresponding trigger. The source
can come from an external line input, internal pulse generated by a counter or timer or a
pulse, which is generated by software. The following list shows the signal sources, which are
available:
Line In
A trigger is generated by a line input signal. The activation configuration defines, if the
rising edge, the falling edge or both edges are taken into account (see Section 4.6.4).
Software
A trigger is generated by the locally trigger software command register (see Section
4.6.2 for more information).
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