Allen-Bradley SmartGuard 600 - OR Instruction Diagram

Publication 1752-UM001A-EN-P - October 2006
Logic Functions Command Reference 147
OR Instruction Diagram
OR Instruction Truth Tables
In the truth table, 0 is off and 1 is on. Lowercase x is don’t care.
Truth Table for One-input OR Evaluation
Input 1 Output 1
0 0
1 1
Truth Table for Two-input OR Evaluation
Input 1 Input 2 Output 1
0 0 0
1 x 1
x 1 1
Truth Table for Three-input OR Evaluation
Input 1 Input 2 Input 3 Output 1
0 0 0 0
1 x x 1
x 1 x 1
x x 1 1
Output 1Input 1
Input 2