Matrox 4Sight EV6 Installation And Hardware Reference page 104

104 Appendix D: Migrating auxiliary I/O connections from Matrox 4Sight GPm to Matrox 4Sight EV6
The diagram below illustrates the difference between connecting a sourcing field
device to Matrox 4Sight GPm and connecting it to Matrox 4Sight EV6, without
using a pull-up resistor:
PREVIOUS: Matrox 4Sight GPm auxiliary input wired to a sourcing field device requiring serial/parallel resistors
+
Sensing
circuit
Up to 24V
–
Matrox 4Sight GPm auxiliary inputs
in a sinking configuration
NEW: Matrox 4Sight EV6 auxiliary input wired to a sourcing field device without resistors
+
Sensing
circuit
Up to 24V
–
Matrox 4Sight EV6 auxiliary inputs
in a sinking configuration
+V
OUT
AUX_INn+
AUX_INn- -V
PNP ourcing field device
+V
OUT
AU INn X_ +
AUX_ n- IN -V
PNP ourcing field device
s
s