Chapter 5. Introduction to PLC Operation. Objectives. Explain what binary information is and how it is used in PLCs. Describe how computer and PLC data are represented. Examine PLC memory and how it is used. Explain how data gets into a PLC.
Introduction to PLC Operation
Image courtesy of Allen-Bradley, a Rockwell Automation business
Output status Word
Binary or bits
User definedSLC 500 Data Files