Detail of JB/T 11138-2011

Introduction of JB/T 11138-2011

1 Scope This standard specifies the terms and definitions, interface and protocol, communication protocol and data format of lithium-ion battery assembly as well as the working mode switching of charge equipment and lithium-ion battery assembly. This standard is applicable to the interface and communication protocol of lithium-ion battery module constituting lithium-ion battery assembly. 2 Normative References The following documents are indispensable for the application of this document. For dated references, only the dated editions apply. For undated references, the latest edition of the normative document (including any amendments) applies. GB/T 18858.3-2002 Low-voltage Switchgear and Controlgear - Controller - Device Interface (CDI) - Part 3: DeviceNet JB/T 11137-2011 General Requirement of Lithium-ion Battery Assembly SAE J1939-11:2006 Physical Layer, 250k bits/s, Twisted Shielded Pair 3 Terms and Definitions For the purpose of this document, the terms and definitions in JB/T 11137-2011 and those listed below apply.

Contents of JB/T 11138-2011

Foreword 1 Scope 2 Normative References 3 Terms and Definitions 4 Interface and Protocol 4.1 General 4.2 Internal Interface and Protocol 4.3 Charge Interface 4.4 Discharge Interface 4.5 Communication Interface for User Equipment 4.6 Topological Structure and Equipment 4.7 Topological Structure 4.8 Network Equipment 4.9 Physical Layer 4.10 Network Power Supply 4.11 State Indicator Light 5 Communication Protocol 5.1 General 5.2 Predefined Master/Slave Connection Group 5.3 CAN3 Communication Protocol 5.4 Node and Address Allocation 5.5 CAN1 Message Group 5.6 CAN2 Message Group 5.7 CAN3 Message Group 6 Data Format 7 Working Mode Switching of Charge Equipment and Lithium-ion Battery Assembly Appendix A (Normative) Internal Interface of Lithium-ion Battery Management System A.1 General A.2 Classification and Composition A.3 Standard Internal Interface A.4 Basic Internal Interface A.5 I/O Internal Interface Appendix B (Normative) Interface Protocol for Control Circuit of Internal Interface of Lithium-ion Battery Management System B.1 General B.2 Charge and Discharge Control Circuit Interface Protocol B.3 Interface Protocol for Voltage Monitoring Circuit Unit for Battery Cell B.4 I/O Circuit Interface Protocol Appendix C (Normative) Charge Interfaces of Lithium-ion Battery Assembly and Module C.1 General C.2 Classification and Composition C.3 General Charge Interface of Charge Equipment C.4 Basic Charge Interface of Charge Equipment C.5 I/O Charge Interface of Charge Equipment Appendix D (Normative) Control Interface Protocol for Charge Interface of Lithium-ion Battery Assembly D.1 General D.2 Charge Control Guiding Circuit D.3 Charge Control Circuit D.4 I/O Charge Control Circuit Appendix E (Normative) Discharge Interface Protocol for Lithium-ion Battery Assembly E.1 General E.2 Discharge Control Interface E.3 Protocol E.4 I/O Charge Control Circuit Appendix F (Informative) Communication Protocol for Communication Interface for User Equipment F.1 Principles Physical Layer Complies F.2 Principles Data Link Layer Shall Comply F.3 Requirements Application Layer Shall Comply F.4 Lithium-ion Battery Assembly State Message (CAN3-01) F.5 Lithium-ion Battery Assembly State Message (CAN3-02) F.6 Battery Cell Voltage Message (CAN3-03~CAN3-40) and Module Case Temperature Message (CAN3-47~CAN3-49)