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ISO/IEC 14543-4-304:2026

Information technology — Home electronic system (HES) architecture — Part 4-304: Application protocol for electric vehicle supply equipment (EVSE) charger and dischargers and controllers

Publication date:   Jun 30, 2026

General information

60.60   Standard published   Jun 30, 2026

ISO/IEC

ISO/IEC JTC 1/SC 25 Interconnection of information technology equipment

International Standard

43.120   Electric road vehicles | 35.240.67   IT applications in building and construction industry

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Scope

This document specifies an application-layer protocol important for ensuring interoperability among the products of various manufacturers regarding communications between electric vehicle supply equipment (EVSE) charger and dischargers and controllers. It uses the network enhanced communications device (NECD) protocol specified in ISO/IEC 14543-4-3. This protocol is based on UDP using IPv4 or IPv6 (TCP is optional).

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PUBLISHED
ISO/IEC 14543-4-304:2026
60.60 Standard published
Jun 30, 2026