ISO/IEC 14543-4-304:2026

International Standard   Current Edition · Approved on 30 June 2026

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

ISO/IEC 14543-4-304:2026 Files

English 40 Pages
Current Edition
USD 220.01

ISO/IEC 14543-4-304:2026 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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