Standard

SAE J2953/3

Published

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Abstract

This SAE Recommended Practice summarizes the conformance requirements for digital communication between the PEV and EVSE and establishes the interoperability requirements for successful charging sessions. This first version includes charging conformance summary for both the vehicle and EVSE and updates from CharIN with modifications, additions, and deletions to improve successful charging sessions. The summary of all existing charging/discharging standards, conformance, and functional categories will be updated in subsequent updates, and message/signal/values that would cause an interoperability issue will be clarified as this leads to diagnostic codes the vehicle/EVSE/Charge Point Operator and others can view to let the customer know what specific issue led to a failure to charge or discharge. This additional effort is ongoing and will be expanded in the next version update as this becomes more mature. Purpose This document assembles and clarifies the requirements for digital communications and functions as defined in related PEV charging standards (listed below). It provides support for charging, discharging, and Distributed Energy Resource systems, which are developed according to SAE J1772 and SAE J3400, and implements the digital communication requirements within the SAE J2836, SAE J2847, and SAE J2931 series of standards. There is also support for SAE J3072, which identifies the AC vehicle to grid requirements and protocols as various options are available to the consumer and utility. This document complements analog communication in SAE J2953/1 and SAE J2953/2 and clarifies conformance versus interoperability requirements. Revision Information This first revision addresses communications and functions for digital communication systems.

Document information

  • Standard from SAE_AC
  • Published:
  • Version: 0
  • Document type: IS