Question

Explain about sequential flow process. ​

Answer 1

Sequential function chart (SFC) is a graphical programming language used for programmable logic controllers (PLCs). It is one of the five languages defined by IEC 61131-3 standard. The SFC standard is defined as, Preparation of function charts for control systems, and was based on GRAFCET (itself based on binary Petri nets[1][2]).

Answer 2

Answer:

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Explanation:

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