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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
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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

PUBLISH DATE 2026
ISO/IEC 14543-4-304:2026

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).

SDO ISO: International Organization for Standardization
Document Number ISO/IEC 14543
Publication Date July 1, 2026
Language en - English
Page Count 50
Revision Level
Supercedes
Committee ISO/IEC JTC 1/SC 25
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