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4.6 Acquisition-, Frame- and Exposure-Trigger Configuration
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
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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 and 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).
Software Signal Pulse A trigger is generated by the software signal pulse, which comes from a
common software signal pulse register (see Section 4.7 for more information).
Counter Start A trigger signal is generated by the counter start event (see Section 5.1.3 for
more information about the counter start event).
Counter End
A trigger signal is generated by the counter end event (see Section 5.1.3 for more
information about the counter end event).
Timer Start A trigger signal is generated by the timer start event (see Section 5.2.3 for more
information about the timer start event).
Timer End A trigger signal is generated by the timer end event (see Section 5.2.3 for more
information about the timer end event).
4.6.2 Trigger Software
The trigger software is a software command register, which is available in the signal path of
each trigger. Accessing to this register generates in internal trigger, which will be processed in
the signal path.
Trigger source must be set to software in order that a trigger software command
will be processed.
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