Connecting A Sinking Output To An Auxiliary Input Signal - Matrox Indio Installation And Hardware Reference

42 Chapter 2: Hardware installation
+
Up to 24V
–
Optional because the auxiliary input signals are optically isolated.
Equivalent circuit only

Connecting a sinking output to an auxiliary input signal

Connect a sinking output to a Matrox Indio auxiliary input signal, as shown below.
AUX_IN+
Sensing
Circuit
AUX IN
Matrox Indio input operating
in a sourcing configuration
_ –
+
V
OUT
-V
Device with a sinking output