NF E04-203-1

Control, measurement and automation for industrial processes. Symbolic representation. Part 1 : functions and basic requirements.

La présente norme homologuée fixe les principes de la symbolisation à utiliser dans la désignation des fonctions de base des systèmes de régulation, de mesure et d'automatisme associées aux processus.

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- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.

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