Comparator instruction truth table – Rockwell Automation 1752-L24BBBE SmartGuard 600 Controllers User Manual User Manual
Page 215
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Rockwell Automation Publication 1752-UM001E-EN-P - June 2014
215
Logic Functions Command Reference
Appendix C
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.
Table 7 - 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
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