IEC 60848:2013 defines the GRAFCET specification language for the functional description of the behaviour of the sequential part of a control system. It specifies the symbols and rules for the graphical representation of this language, as well as for its interpretation and has been prepared for automated production systems of industrial applications. This third edition cancels and replaces the second edition published in 2002 and constitutes a global technical revision with the extended definition of the concept of variables introducing: internal variable, input variable and output variable.
Defines the GRAFCET specification language for the functional description of the behaviour of the sequential part of a control system. Specifies the symbols and the rules for the graphical representation of this language, as well as for its interpretation. Is primarily for automated production systems of industrial applications. It has the status of a horizontal standard in accordance with IEC Guide 108.
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