Connecting to the auxiliary I/O interface 47
• For the auxiliary input signal to sink the current, connect the 2-wire device to an
auxiliary input signal as shown below. Install the external bleeder resistor between
the blue wire of the proximity sensor and the AUX_INn- pin.
Equivalent circuit only
Blue wire
2-wire PNP
proximity sensor
24V
Sensing
Circuit
AUX INn+_
AUX INn-_
Matrox 4Sight E 6V
in a sinking configuration
+
-
Optional because the auxiliary input signals are electrically isolated.
Brown wire
Bleeding
Resistor
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