Standard No.:	NB/T 33003-2010
English Name:	Communication protocols between off-board charger monitoring unit and battery management system for electric vehicle
Chinese Name:	电动汽车非车载充电机监控单元与电池管理系统通信协议
Professional Classification:	NB    Professional Standard - Energy
Issued by:	National Energy Administration
Issued on:	2010-05-01
Implemented on:	2010-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	1200 words
Price(USD):	240.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the communication protocol between off-board charger monitoring unit (hereinafter referred to as charger) and battery management system (hereinafter referred to as BMS) of electric Vehicle.. This standard is applicable to off-board charger used for electric vehicle adopting conduction charging mode. 2 Normative References The following document provisions through this normative reference to become this normative provision. For dated references, subsequent amendments to (excluding correction to) or revisions of, any of these publications do not apply. However, the parties who enter into agreement according to this standard are encouraged to study whether the latest editions of these documents apply. For undated references, the latest editions of these documents apply. GB/T 19596-2004 Terminology of Electric Vehicles SAE J1939-11: 1999 Recommended Practice for Serial Control and Communication Vehicle Network - Part 11: Physical Layer-250K bits/s, Twisted Shielded Pair SAE J1939-21: 2001 Recommended Practice for Serial Control and Communication Vehicle Network - Part 21: Data Link Layer SAE J1939-71: 2002 Recommended Practice for Serial Control and Communication Vehicle Network - Part 71: Vehicle Application Layer SAE J1939-73: 2006 Recommended Practice for Serial Control and Communication Vehicle Network - Part: 73 Application Layer — Diagnosis SAE J1939-81: 2006 Recommended Practice for Serial Control and Communication Vehicle Network - Part 81: Network Management SAE J1939 Appendix B: 2005 Recommended Practice for Serial Control and Communication Vehicle Network - Appendixes B: Address and Identity Assignments ISO 11898-1: 2003 Road Vehicle - Controller Area Network - Part 1: Data Link Layer and Physical Signaling ISO 11898-2: 2003 Road Vehicle - Controller Area Network - Part2: High-speed Medium Access Unit CAN Bus Version 2.0B 3 Terminologies and Definitions Terminologies and definitions specified in SAE J1939 and ISO 11898 as well as the following ones apply. For the purpose of convenience, terminologies and definitions in SAE J1939 are listed below. 3.1 Frame A series of data bits forming a complete message. 3.2 CAN data frame Orderd bit field forming transmitting data and necessary for CAN protocol; begin with start of frame (SOF) and end with end of frame (EOF). 3.3 Message One or more "CAN data frame" with the same parameter group number.

Foreword i 1 Scope 2 Normative References 3 Terminologies and Definitions 4 General Provisions 5 Network Topological Structure 6 Physical Layer 7 Data link layer 7.1 General Requirements 7.2 Frame Format 7.3 Protocol Data Unit (PDU) 7.4 Protocol Data Unit (PDU) Format 7.5 Parameter Group Number (PGN) 7.6 Transport Protocols Function 7.7 Distribution of Address 7.8 Message Type 8 Application Layer 9 Charging Message Specification between Battery Charger and BMS 9.1 Charging Overall Process 9.2 Communication Message Classification during Charging Process 9.3 Message between Battery Charger and BMS 10 Standard for the Trouble Diagnosis Message of the Battery Charger and BMS 10.1 Diagnostic Trouble Code 10.2 Classification of Trouble Diagnosis Message 10.3 Format and Content of Trouble Diagnosis Message Appendix A (Informative) Charging Process