Precision Clock Synchronization Protocol for Networked Measurement and Control Systems
IEC 61588:2021 defines a network protocol, the Precision Time Protocol (PTP), enabling accurate and precise synchronization of the real-time clocks of devices in networked distributed systems. The protocol is applicable to systems where devices communicate via networks, including Ethernet. The standard allows multicast communication, unicast communication or both. The standard specifies…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-16: Particula...
IEC 61558-2-16:2021 deals with the safety of switch mode power supply units and transformers for switch mode power supply units. This second edition cancels and replaces the first edition published in 2009 and amendment 1:2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- adjustment of…
Sécurité des transformateurs, bobines d'inductance, blocs d'alimentation et combinaisons d...
L'IEC 61558-2-16:2021 traite de la sécurité des blocs d'alimentation à découpage et des transformateurs pour blocs d'alimentation à découpage. Cette deuxième édition annule et remplace la première édition parue en 2009 et l'amendement 1:2013. Cette édition constitue une révision technique. Elle inclut les modifications techniques majeures suivantes par rapport à l'édition…
Information technology — Radio frequency identification for item management — Part 1: Interference r...
This document defines a test method to evaluate the interference rejection performance of tags covered by ISO/IEC 18000-63 and a heterogeneous wireless system using different access technologies, e.g. radio frequency identification and cell phone network.
It specifies the general requirements and test requirements.
The test method in this document makes it possible to compare the relative…
