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Learning RSLogix 5000 Programming by Austin Scott

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Chapter 8. Building Sequential Function Charts

In this chapter, we will implement a sequential function chart routine and break down the steps, actions, transitions, and branches that are used to construct it. We will also work with the online editing capabilities of sequential function chart routines.

Introducing sequential function charts

Sequential Function Charts (SFC) is another IEC 61131-3 language, which allows you to visually program using a flow chart construct. The IEC SFC language is based on the GRAFCET language, which was the original industrial automation flow chart programming language. In some regions and within some companies, you will find that the terms SFC and GRAFCET are used interchangeably. Like other IEC-based languages, ...

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