Allen-Bradley Logix5000 - Relay Ladder; Structured Text

Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 95
Bit Instructions (XIC, XIO, OTE, OTL, OTU, ONS, OSR, OSF, OSRI, OSFI) Chapter 2
Example 1: If limit_switch_2 is cleared, this enables the next instruction (the rung-condition-
out is true).
Relay Ladder
Structured Text
IF NOT limit_switch_2 THEN
<statement>;
END_IF;
Example 2: If S:V is cleared (indicates that no overflow has occurred), this enables the next
instruction (the rung-condition-out is true).
Relay Ladder
Structured Text
IF NOT S:V THEN
<statement>;
END_IF;