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…
Information technology — Home electronic systems (HES) architecture — Part 5-12: Intelligent groupin...
ISO/IEC 14543-5-12:2019(E) specifies the test and verification methods for an intelligent grouping and resource sharing (IGRS) remote access (RA) user or device, defines the structure of a user and device testing system for IGRS remote access, describes and specifies the exchange process between a user or device-under-test with a standard IGRS RA service platform (IRSP), and describes and…
Patient and client eye protectors for use during laser or intense light source (ILS) procedures — Gu...
This document gives guidelines for and provides information to employers, users and safety advisors on the selection and use of patient eye protectors (PEPs) for lasers and intense light source (ILS) equipment used for medical and cosmetic applications.
This document does not apply to the eye protection of laser/ILS operators or users of the equipment. It also does not apply to PEPs for use with…
Information technology - Media context and control - Part 6: Common types and tools
This document provides definitions of data types and tools, which are used in other parts of the ISO/IEC 23005 series, but are not specific to a single part.
This document specifies syntax and semantics of the data types and tools common to the tools defined in the other parts of the ISO/IEC 23005 series, such as basic data types which are used as basic building blocks in more than one of the…
Liquid crystal display devices - Part 40-1: Mechanical testing of display cover glass for mobile dev...
IEC 61747-40-1:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61747-40-1:2019 provides mechanical performance testing guidelines for cover glass used in electronic flat panel…
