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250 Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Chapter 5 Compare Instructions (CMP, EQU, GEQ, GRT, LEQ, LES, LIM, MEQ, NEQ)
Example 1: Low Limit ≤ High Limit:
When 0 ≤ value ≥ 100, set light_1. If value < 0 or value >100, clear light_1.
Relay Ladder
Structured Text
IF (value <= 100 AND(value >= 0 AND value <= 100)) OR
value >= 100 AND value <= 0 OR value >= 100)) THEN
light_1 := 1;
ELSE
light_1 := 0;
END_IF;
Function Block