User Manual

210 Rockwell Automation Publication 1752-UM001E-EN-P - June 2014
Appendix C Logic Functions Command Reference
Exclusive NOR Instruction
The output is an exclusive NOR of the input conditions.
Exclusive NOR Instruction Diagram
Exclusive NOR Instruction Truth Tables
In the truth table, 0 is off and 1 is on.
Table C.1 Truth Table for Exclusive OR Evaluation
Input 1 Input 2 Output 1
000
011
101
110
Table C.2 Truth Table for Exclusive NOR Evaluation
Input 1 Input 2 Output 1
001
010
100
111
Output 1Input 1
Input 2