1. General concepts: control and programming

1.1 Control concept

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1.1.1 Steering a process or system

The aim here is to present a number of IT devices that can be used to control :

one or more physical (or chemical) laboratory or industrial processes;
a system, often a complex one.

In both cases, we act with a command and observe and control with sensors.

The speed and computing power of computers and processors mean that...

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General concepts: control and programming

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page Graphical programming of control applications - General concepts and G language

Graphics language G

Bibliography

(1) - TARDIEU (H.), ROCHFELD (A.), COLETTI (R.) - La méthode MERISE : principe et outils - Éditions d'Organisation (1983).
(2) - DAVID (R.), ALLA (H.) - Du Grafcet au réseaux de Pétri - Hermès (1989).
...

Standards and norms

Diagramme fonctionnel GRAFCET pour la description des systèmes logiques de commande. - NF C 03-190 - 6-1982
Etablissement des diagrammes fonctionnels pour des systèmes de commande (Preparation of function charts for control systems). - CEI/IEC 848 - 1988
Automates programmables. Partie 3 : langages de programmation (Programmable controller. Part 3 : Programming languages). - CEI/IEC 1131-3 - 3-1993

Websites

There are many online resources on the Internet to help users keep up with developments in the G graphics language. Through these forums, users can also correspond with their peers, exchange technical tips and discuss their applications.

There are two electronic mailing lists managed by G language users. These lists enable users to communicate with each other. To find out more, send a message to :...