Rockwell Automation Publication 1756-RM006K-EN-P - November 2018 413
Structured Text
Condition/State Action Taken
Prescan See Prescan in the Function Block table.
Normal Execution See Tag.EnableIn is true in the Function Block table.
Postscan See Postscan in the Function Block table.
Example
When Set is true, Out is set true. When Set is false and Reset is true, Out is
cleared. The Set input has precedence over the Reset input. The SETD instruction
sets OutNot to the opposite state of Out.
Function Block
Structu
red Text
SETD_01.Set := set_input;
SETD_01.Reset := reset_input;
SETD(SETD_01);
out_output := SETD_01.Out;
outNot_output := SETD_01.OutNot;
See also
Common Attributes on page 537
Structured Text Syntax on page 508
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