Systems and software engineering - Content management for product life cycle, user and service manag...
This document specifies requirements for efficient development and management of information produced
— throughout the life cycle of a system and software product;
— for the provision of information for users of systems and software;
— for the management of IT and support services.
This document is independent of the tools, protocols, and systems used for content management. It does not…
Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol sp...
IEC 61158-4-21:2023 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;
procedures for giving communication opportunities based on ISO/IEC/IEEE 8802‑3 MAC, with provisions for nodes to be added or removed during normal operation;…
Industrial communication networks - Fieldbus specifications - Part 4-24: Data-link layer protocol sp...
IEC 61158-4-24:2023 provides
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 datalink service provider;
procedures for giving communications opportunities to all participating DL-entities (DLEs), sequentially and in a cyclic manner for deterministic and synchronized…
Industrial communication networks - Fieldbus specifications - Part 4-24: Data-link layer protocol sp...
IEC 61158-4-24:2023 provides
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 datalink service provider;
procedures for giving communications opportunities to all participating DL-entities (DLEs), sequentially and in a cyclic manner for deterministic and synchronized…
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-24: Spécificatio...
L'IEC 61158-4-24:2023 spécifie:
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;
les procédures pour donner des opportunités de communication à toutes…
Industrial communication networks - Fieldbus specifications - Part 4-21: Data-link layer protocol sp...
IEC 61158-4-21:2023 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;
procedures for giving communication opportunities based on ISO/IEC/IEEE 8802‑3 MAC, with provisions for nodes to be added or removed during normal operation;…
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-21: Spécificatio...
L'IEC 61158-4-21:2023 décrit:
des procédures de transfert en temps opportun de données et d’informations de commande d’une entité utilisateur de liaison de données à une entité utilisateur homologue ainsi qu’entre entités de liaison de données qui constituent le fournisseur de services distribués de la liaison;
des procédures offrant des moyens de communication fondées sur la commande d’…
Ergonomics of human-system interaction — Part 100: Overview of ISO 9241 software ergonomic standards
This document provides an overview of ISO 9241 software ergonomic standards in the form of executive summaries of these standards, in particular the parts in the ISO 9241-1XX family of documents. In addition, it provides executive summaries for ISO 9241-11, ISO 9241-210 and ISO 9241-220, which have specific relevance to the design of software-based interactive systems.
This document is intended…
Ergonomie de l’interaction homme-système — Partie 100: Vue d’ensemble des normes ISO 9241 relatives ...
Le présent document offre une vue d’ensemble des normes ISO 9241 relatives à l’ergonomie des logiciels sous la forme de résumés de ces normes, en particulier les parties de la famille de documents ISO 9241-1XX. Il fournit également des résumés de l’ISO 9241-11, l’ISO 9241-210 et l’ISO 9241-220, qui ont une pertinence spécifique pour la conception de systèmes interactifs basés sur des logiciels.…
Telecommunications and information exchange between systems — Unmanned aircraft area network (UAAN) ...
This document describes a communication model and requirements for unmanned aircraft area network (UAAN), which is a wireless distributed communication network for units related with UA services in level II.
It describes:
— the communication structure and operation;
— the purpose of the three types of communication and related services;
— the interoperation of the three types of…
