Click here to purchase IEC 62439:2008(E) is applicable to high-availability automation networks based on the ISO/IEC 8802-3 (Ethernet) technology. It specifies: – a classification scheme for network characteristics (see Annex A); – a methodology for estimating network availability (see Annex B); – a set of communication protocols that realize high availability automation networks via the use of redundancy and that can be used in a variety of applications.
Connectors for electrical and electronic equipment – Part 7: Detail specification for up to 7 ways including PE or FE (data/power) and shield pin, free and fixed circular connectors for balanced single-pair data transmission with current-carrying capacity – Mechanical mating information, pin assignment and additional requirements for type 7 standard by International Electrotechnical Commission, 05/01/2023
Electric welding equipment – Assessment of restrictions related to human exposure to electromagnetic fields (0 Hz to 300 Hz) – Part 3: Resistance welding equipment standard by International Electrotechnical Commission,