Industrial communication networks - Fieldbus specifications - Part 4-24: Data-link layer protocol sp...
IEC 61158-4-24:2019 specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as…
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-24: Spécificatio...
L'IEC-61158-4-24:2019 spécifie
a) les procédures de transfert en temps opportun des données et des informations de commande entre une entité utilisateur de liaison de données et une entité utilisateur homologue et, parmi les entités de liaison de données formant le fournisseur de services distribués de liaison de données;
b) les procédures pour donner des opportunités de communication à…
Industrial communication networks - Fieldbus specifications - Part 4-2: Data-link layer protocol spe...
IEC 61158-4-2:2019 specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical…
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4- 2: Spécificatio...
La couche de liaison de données assure les communications de messagerie à contrainte de temps de base entre les appareils d'un environnement d'automatisation.
Ce protocole offre des opportunités de communication séquentielle et synchrone cyclique à toutes les entités de liaison de données participantes. Un accès planifié de premier plan est proposé à toutes les activités à contrainte…
Industrial communication networks - Fieldbus specifications - Part 4-3: Data-link layer protocol spe...
IEC 61158-4-3:2019 specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical…
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-3: Spécification...
L'IEC 61158-4-3:2019 la couche liaison de données permet la communication de messages de base, critiques du point de vue temporel, entre appareils dans un environnement d'automatisation.
Ce protocole donne les moyens de communiquer à un sous-ensemble “maître” présélectionné d'entités de liaison de données de manière asynchrone cyclique, séquentiellement pour chacune de ces entités…
Intelligent transport systems — Indoor navigation for personal and vehicle ITS station — Part 4: Req...
This document defines detailed use cases, requirements and message specifications for supporting indoor navigation functionality between a personal/vehicle (P/V) ITS station and a central ITS station.
This document defines:
a) Clusters of use cases based on processing flows for indoor navigation between a P/V ITS station and a central ITS station;
b) Detailed use cases derived from the…
Screening of genetically modified organisms (GMOs) in cotton and textiles
This document provides requirements and recommendations to laboratories that perform genetically modified organism (GMO) analyses in cottonseed, leaf, cotton fibre and cotton fibre-derived materials.
The following are within the scope of this document:
a) identifying the materials to be assessed, based on the probability of obtaining good quality, fit for purpose DNA from the materials in…
Industrial communication networks - Profiles Part 1: Fieldbus profiles
<div>IEC 61784-1:2019 defines a set of protocol specific communication profiles based primarily on the IEC 61158 series, to be used in the design of devices involved in communications in factory manufacturing and process control. This fifth edition cancels and replaces the fourth edition published in 2014 it constitutes a technical revision. The main changes are:</div>
<div>•…
Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol sp...
IEC 61158-4-21:2019 describes procedures for the timely transfer of data and control information from one data link user entity to a peer user entity, and among the data link entities forming the distributed data link service provider and procedures for giving communication opportunities based on standard ISO/IEC 8802-3 MAC, with provisions for nodes to be added or removed during normal operation…