Matrox Iris GTX Series, Installation And Technical Reference, Page: 46 / 100

46
Chapter 2: Powering and connecting to your Matrox Iris GTX
• For the auxiliary input signal to sink the current, connect the 2-wire device to
auxiliary input signal as shown below. Install the external bleeder resistor between
the blue wire of the proximity sensor and the AUX_IN_COMMON pin.
Equivalent circuit only
Blue wire
2-wire PNP
proximity sensor
24V
Sensing
Circuit
AUX IN _
AUX IN_COMMON _
Matrox Iris GTX
Sinking configuration
+
-
Optional because the auxiliary input signals are optically isolated.
Brown wire
Bleeding
Resistor