User Manual

Rockwell Automation Publication 1752-UM001E-EN-P - June 2014 209
Logic Functions Command Reference Appendix C
Exclusive OR Instruction
The output is the exclusive OR of the input conditions.
Exclusive OR Diagram
Exclusive OR Truth Table
In the truth table, 0 is off and 1 is on.
Table 48 - Truth Table for Seven-input OR Evaluation
Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Output 1
0000000 0
1xxxxxx 1
x1xxxxx 1
xx1xxxx 1
xxx1xxx 1
xxxx1xx 1
xxxxx1x 1
xxxxxx1 1
Table 49 - Truth Table for Eight-input OR Evaluation
Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Input 8 Output 1
00000000 0
1xxxxxxx 1
x1xxxxxx 1
xx1xxxxx 1
xxx1xxxx 1
xxxx1xxx 1
xxxxx1xx x
xxxxxx1x 1
xxxxxxx1 1
Output 1Input 1
Input 2