Essais d'environnement - Partie 2-87: Essais - Exposition des matériaux et composants aux UV-C ...
L'IEC 60068-2-87:2024 décrit les expositions de matériaux et composants aux rayonnements UV-C lors de traitements par irradiation germicide aux ultraviolets (UVGI) ou d'autres processus qui exigent une exposition aux UV‑C, ainsi que les procédures d'essai pour simuler ces environnements. Les sévérités qui représentent différentes fréquences et intensités d'exposition aux UV-C…
Smart cities - Application of IEC SRD 63235 - Concept system building for energy challenge
IEC SRD 63520:2024, which is a Systems Reference Deliverable (SRD), provides the concept system of energy challenges in smart cities, using the methodology framework and development processes in IEC SRD 63235.
This document is applicable to development and improvement of the terms and concepts relevant to energy challenges in smart cities.
As global climate change and energy scarcity become…
Specifications for particular types of winding wires - Part 27-1: Paper tape covered round copper wi...
IEC 60317-27-1:2020+AMD1:2024 CSV specifies the requirements of paper tape covered round copper winding wires. This covering consists of two or more layers of paper tape and is primarily intended for winding coils for oil immersed transformers. The range of nominal conductor diameters covered by this document is:
– 0,500 mm up to and including 5,000 mm.
The nominal conductor diameters are…
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment fo...
IEC 61557-1:2019+AMD1:2024 CSV specifies the general requirements applicable to measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems with nominal voltages up to 1 000 V AC and 1 500 V DC. When measuring equipment or measuring installations involve measurement tasks of various measuring equipment covered by this series of standards, then the part…
Industrial communication networks – Profiles – Part 3-19: Functional safety fieldbuses – Additional ...
IEC 61784-3-19:2024 specifies a safety communication layer (services and protocol) based on IEC 61784‑1-19, IEC 61784-2-19 and the IEC 61158 series (Type 24 and Type 27). It identifies the principles for functional safety communications defined in IEC 61784‑3 that are relevant for this safety communication layer. This safety communication layer is intended for implementation in safety devices…
Réseaux de communication industriels – Profils – Partie 3-19: Bus de terrain de sécurité fonctionnel...
IEC 61784-3-19:2024 spécifie une couche de communication de sécurité (services et protocole) fondée sur l'IEC 61784 1-19, l'IEC 61784-2-19 et la série IEC 61158 (Types 24 et 27). Elle identifie les principes qui s'appliquent aux communications de sécurité fonctionnelle définies dans l'IEC 61784 3, associées à cette couche de communication de sécurité qui est destinée à être…