Matrox 4Sight EV6 Installation And Hardware Reference page 45

+
24V
-
Optional because the auxiliary input signals are electrically isolated.
Equivalent circuit only
Connecting a 3-wire NPN proximity sensor to an auxiliary input signal
Connect a 3-wire NPN proximity sensor to a Matrox 4Sight EV6 auxiliary input
signal, as shown below.
AUX INn+
Sensing
Circuit
AUX INn-
Matrox 4Sight EV6
in a sourcing configuration
_
Brown wire
Black wire
_
Blue wire
Connecting to the auxiliary I/O interface
3-wire NPN
proximity sensor
45