3. Production technologies
Here we show how to implement the technology on different media (wired or programmed).
GRAFCET, which describes the sequential sequence of an automation system, includes a memory function in its step equations. This is achieved by introducing the system state into the output equations. In order to technologically realize a GRAFCET in wired logic, it is necessary to be able to implement the memory function.
3.1 Wired logic
3.1.1 Doors to combinatorial logic
Consider...
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Production technologies
Bibliography
Works
Websites
AFCET GRAFCET group
http://www.gsip.cran.u-nancy.fr/GRAFCET/groupe/groupe_old.html
EEA Club GRAFCET group
http://japura.lurpa.ens-cachan.fr/grafcet/generalites/groupe_fr.html
...Standards
- Schematics, diagrams, tables – GRAFCET function diagram for describing control logic systems - NF C03-190 - 9-1995
- Documentation and graphic symbols – Functional diagrams for control systems – GRAFCET" function diagram – Extensions of basic concepts - UTE C03-191 - 6-1993
- Établissement de diagrammes fonctionnels pour systèmes de commande - IEC 60848 - 12-1988
- Langage de spécification GRAFCET pour diagrammes...
Organizations
WADAF
French Association for Economic and Technical Cybernetics (AFCET)
Manufacturers, constructors
non-exhaustive list
Merlin Gérin, Télémécanique
Siemens
Omron
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