Examples of PLC Logic

While at Fort Knox, I gained valuable experience working with PLC's. Please take a look at some "conceptualized" examples of PLC logic that I created. All logic shown was run on Allen-Bradley PLC-5/60's with operator control via a Foxboro I/A Series DCS.

Typical start-stop logic

Diverter DGAP/PTC Logic

Communication Delay Timers

Signed Long Integer Conversion Subroutine


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