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A p p e n d i x D : U s i n g t h e I / O s i g n a l s o f M a t r o x I r i s G T
C o n n e c t i n g t o a n e x t e r n a l t r i g g e r i n g d e v i c e
To connect your Matrox Iris GT to an external triggering device, connect the
ground of your Matrox Iris GT directly to the external triggering device's ground.
Then, connect a resistor between your Matrox Iris GT and the external triggering
device. Your Matrox Iris GT takes the output signal of the external triggering
device as its input.
You can create a Matrox Design Assistant project that will accept the trigger signal
and grab an image either on the signal's rising or falling edge.
TRIG_OPTO_IN+
TRIG_OPTO_IN-
Matrox Iris GT
power connector
TRIG_OPTO_IN+
TRIG_OPTO_IN-
Matrox Iris GT
power connector
TRIG_OPTO_IN+
TRIG_OPTO_IN-
Matrox Iris GT
power connector
3K 0.5W
digital I/O and
1KΩ 0.25W
digital I/O and
digital I/O and
Trigger generator
(up to 24 V)
Ω
Out 0
GND
Trigger generator
(up to 12 V)
Out 0
GND
Trigger generator
(TTL)
Out 0
GND
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