Allen-Bradley SmartGuard 600 - Comparator Instruction Truth Table

Publication 1752-UM001A-EN-P - October 2006
Logic Functions Command Reference 155
Comparator Instruction Truth Table
In the truth table, 0 is off and 1 is on. CV is the comparison value. An
X indicates that the status of the input (match or don’t match) is not
applicable.
Truth Table for Comparator Instruction
Input 8 Input 7 Input 6 Input 5 Input 4 Input 3 Input 2 Input 1 Output 1
≠CV for
bit 7
X X X X X X X 0
X ≠CV for
bit 6
X X X X X X 0
X X ≠CV for
bit 5
X X X X X 0
X X X ≠CV for
bit 4
X X X X 0
X X X X ≠CV for
bit 3
X X X 0
X X X X X ≠CV for
bit 2
X X 0
X X X X X X ≠CV for
bit 1
X 0
X X X X X X X ≠CV for
bit 0
0
= CV
for bit 7
= CV
for bit 6
= CV
for bit 5
= CV
for bit 4
= CV
for bit 3
= CV
for bit 2
= CV
for bit 1
= CV
for bit 0
1