44 Chapter 2: Powering and connecting to your Matrox Iris GTR
Connecting an auxiliary output signal to an inductive load input
Connect a Matrox Iris GTR auxiliary output signal to an inductive load input, as
shown below.
An inductive load device, such as a traditional relay, requires that you use a
flyback diode to protect Matrox Iris GTR from over and under-voltage, as shown
below. This diode should be connected as close as possible to the input and voltage
source of your inductive load device.
Equivalent circuit only
Optional because the auxiliary output signals are optically isolated.
Up to 24V
+
–
AUX_OUT
AUX_OUT_COMMON
Inductive load
input
+V
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