Matrox 4Sight EV6 - 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:
Up to 24V
+
–
AUX_INn+
AUX_INn-
Matrox 4Sight GPm auxiliary inputs
in a sinking configuration
PREVIOUS: Matrox 4Sight GPm auxiliary input wired to a sourcing field device requiring serial/parallel resistors
Up to 24V
+
–
AU INnX_ +
AUX_ n-IN
Matrox 4Sight EV6 auxiliary inputs
in a configurationsinking
NEW: Matrox 4Sight EV6 auxiliary input wired to a sourcing field device without resistors
OUT
PNP ourcing field devices
+V
-V
OUT
PNP ourcing field devices
+V
-V
Sensing
circuit
Sensing
circuit