Allen-Bradley LOGIX 5000 User Manual

Equipment Sequence
Chapter 8
Rockwell Automation Publication 1756-RM006K-EN-P - November 2018 469
Condition Action Taken
Rung-condition-in is false The rung-condition-out is set to false.
Rung-condition-in is true The instruction executes.
The rung-condition-out is set to true.
Scan of structured text No action taken
Instruction execution The instruction tries to take ownership of the specified Equipment
Sequence.
Postscan The rung-condition-out is set to false.
Structured Text
Condition Action Taken
Prescan No action taken.
Rung-condition-in is false No action taken.
Rung-condition-in is true No action taken.
Scan of structured text In structured text, instructions execute each time they are
scanned. To limit the scan of an instruction, use a qualifier of an
SFC action or a structured text construct that includes a condition,
such as if, then, or else
Instruction execution The instruction tries to take ownership of the specified Equipment
Sequence.
Postscan No action taken.
See also
SDET instruction examples on page 487
Equipment Sequence Instructions on page 465

Allen-Bradley LOGIX 5000 Specifications

General

Brand	Allen-Bradley
Model	LOGIX 5000
Category	Controller
Language	English