GB/T 21654-2008
GRAFCET specification language for sequential function charts (English Version)

Standard No.

GB/T 21654-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 21654-2008

Replace

GB/T 6988.6-1993

Scope

This standard specifies the GRAFCET ¹⁾ specification language for functional description of sequential behavior in control systems. This standard also specifies the symbols, rules and instructions for the graphical representation of GRAFCET. This standard also lays the basis for automatic production systems in industrial applications, no particular areas of application are excluded. Methods for developing specifications using GRAFCET are outside the scope of this standard. For example, the "SFC language" stipulated in GB/T 15969.3-1995 is not included, which specifies the programming language collection of programmable controllers.

GB/T 21654-2008 Referenced Document

• GB/T 2900.56-2002 Electrotechnical terminology--Automatic control
• GB/T 4728.12 Graphical symbols for electrical diagrams—Part 12：Binary logic elements*， 2022-10-14 Update

GB/T 21654-2008 history

• 2008 GB/T 21654-2008 GRAFCET specification language for sequential function charts
• 1993 GB/T 6988.6-1993 Preparation of function charts for control systems

GB/T 21654-2008 GRAFCET specification language for sequential function charts has been changed from GB/T 6988.6-1993 Preparation of function charts for control systems.