Sequential Function Chart (SFC)
Published • Sep 12, 2015
NobleIDNI6P89W00R40S56
Authors:
Dag H. Hanssen
Abstract
Sequential function chart (SFC) is the last of the languages defined in IEC 61131-3. A sequence in SFC consists of three main elements: Steps, transitions, and action. Each individual step that is used in the sequence is assigned two variable addresses: Step_ name.X and Step_name.T. These addresses ...
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