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ISO/IEC 14543-4-304:2026 ED1

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 29, 2026

General information

60.60   Standard published   Jun 29, 2026

IEC

ISO/IEC JTC 1/SC 25

International Standard

35.020   Information technology (IT) in general

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Scope

ISO/IEC 14543-4-304:2026 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).

Life cycle

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PUBLISHED
ISO/IEC 14543-4-304:2026 ED1
60.60 Standard published
Jun 29, 2026