Standards Development
This part of the ISO/IEC 14543 series specifies an application-layer protocol necessary for ensuring interoperability among the products of various manufacturers regarding communications between electric vehicle supply equipment (EVSE) chargers and controllers, using a protocol called network enhanced communications device (NECD) as specified in ISO/IEC 14543-4-3. This protocol is based on UDP using IPv4 or IPv6 (TCP is optional).
This NWIP focuses specifically on electric vehicle supply equipment (EVSE) chargers. It includes
specifications for implementing each device and controller at the application level such as command
sequences, timeout requirements, required combinations of acceptable commands, etc. This proposed
standard is based on ISO/IEC 14543-4-3 “Information technology – Home Electronic System (HES)
architecture – Part 4-3: Application layer interface to lower communications layers for network enhanced control devices of HES Class 1.” ISO/IEC 14543-4-3 is a general-purpose communications standard that applies to a variety of devices. It specifies the message structure, sequences and protocol for a general - purpose communications network used for control of devices in the Home Electronic System (HES) Class 1.
It provides the common interfaces for applications such as energy management, remote maintenance, andother services for building a system consisting of multivendor devices and equipment.
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