模拟BMS，测试充电桩，经测试完好！符合《GB-T 27930-2015 电动汽车非车载传导式充电机与电池管理系统之间的通信协议》，用的USB转CAN外接模块。-Analog BMS, charging pile test, tested good! In line with the communication protocol between the GB-T 27930-2015-board electric vehicle conductive charging unit and bat

国标，规定了电动汽车BMS和直流充电桩之间，基于CAN的通信协议(GB/T 27930-2015 Communication protocols between off-board conductive charger and battery management system for electric vehicle)