Baumer EXG03c Manuel de l'utilisateur - Page 24
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U
30V
high
11V
4.5V
low
0
t
Figure 30 ▲
Trigger signal, valid for
Baumer cameras.
Figure 31 ►
Camera in trigger
mode:
A - Trigger delay
B - Exposure time
(global shutter)
B*- Exposure time
(rolling shutter)
C - Readout time
Trigger Delay:
The trigger delay is a
flexible user-defined delay
between the given trigger
impulse and the image cap-
ture. The delay time can
be set between 0.0 μsec
and 2.0 sec with a stepsize
of 1 μsec. In the case of
multiple triggers during the
delay the triggers will be
stored and delayed, too.
The buffer is able to store
up to 512 trigger
signals during the delay.
Your benefits:
▪
No need for a perfect
alignment of an external
trigger sensor
▪
Different objects can be
captured without hardware
changes
Figure 32 ►
Examples of possible
trigger sources.
24
4.6.2. Trigger Input
Trigger signals are used to synchronize the camera exposure and a machine cycle or, in
case of a software trigger, to take images at predefined time intervals�
A
Different trigger sources can be used here�
4.6.3. Trigger Source
Each trigger source has to be activated separately. When the trigger mode is activated,
the hardware trigger is activated by default.
Trigger (valid)
Exposure
Readout