{
  "protocol_name": "高压母线状态反馈",
  "message_id": "0x0005",
  "length": 38,
  "checksum": {
    "start_offset": 0,
    "end_offset": 37,
    "algorithm": "sum_low_byte"
  },
  "fields": [
    {
      "name": "start1",
      "offset": 0,
      "type": "uint8",
      "value": "0x20",
      "description": "起始字节1"
    },
    {
      "name": "start2",
      "offset": 1,
      "type": "uint8",
      "value": "0x20",
      "description": "起始字节2"
    },
    {
      "name": "id",
      "offset": 2,
      "type": "uint16",
      "value": "0x0005",
      "description": "消息ID"
    },
    {
      "name": "length",
      "offset": 4,
      "type": "uint16",
      "value": 38,
      "description": "消息长度"
    },
    {
      "name": "DCB1",
      "offset": 6,
      "type": "uint8",
      "description": "直流断路器1状态"
    },
    {
      "name": "DCB2",
      "offset": 7,
      "type": "uint8",
      "description": "直流断路器2状态"
    },
    {
      "name": "ZK1",
      "offset": 8,
      "type": "uint8",
      "description": "真空接触器1状态"
    },
    {
      "name": "ZK2",
      "offset": 9,
      "type": "uint8",
      "description": "真空接触器2状态"
    },
    {
      "name": "ZK3",
      "offset": 10,
      "type": "uint8",
      "description": "真空接触器3状态"
    },
    {
      "name": "ZK4",
      "offset": 11,
      "type": "uint8",
      "description": "真空接触器4状态"
    },
    {
      "name": "ZK5",
      "offset": 12,
      "type": "uint8",
      "description": "真空接触器5状态"
    },
    {
      "name": "ZK6",
      "offset": 13,
      "type": "uint8",
      "description": "真空接触器6状态"
    },
    {
      "name": "ZK7",
      "offset": 14,
      "type": "uint8",
      "description": "真空接触器7状态"
    },
    {
      "name": "ZK8",
      "offset": 15,
      "type": "uint8",
      "description": "真空接触器8状态"
    },
    {
      "name": "ZK9",
      "offset": 16,
      "type": "uint8",
      "description": "真空接触器9状态"
    },
    {
      "name": "ZK10",
      "offset": 17,
      "type": "uint8",
      "description": "真空接触器10状态"
    },
    {
      "name": "busInsulationLow",
      "offset": 18,
      "type": "uint8",
      "description": "母线绝缘低报警"
    },
    {
      "name": "busAInsulationHigh",
      "offset": 19,
      "type": "uint8",
      "description": "A母线绝缘高报警"
    },
    {
      "name": "lostPower",
      "offset": 20,
      "type": "uint8",
      "description": "失电信号"
    },
    {
      "name": "lostEmerPower",
      "offset": 21,
      "type": "uint8",
      "description": "应急失电信号"
    },
    {
      "name": "powerBusVoltage",
      "offset": 22,
      "type": "uint16",
      "description": "动力母线电压（V）"
    },
    {
      "name": "dcDc5ModuleCurrent",
      "offset": 24,
      "type": "uint16",
      "description": "DC/DC5模块电流（A）"
    },
    {
      "name": "powerBusCurrent",
      "offset": 26,
      "type": "uint16",
      "description": "动力母线电流（A）"
    },
    {
      "name": "busbarAVoltage",
      "offset": 28,
      "type": "uint16",
      "description": "A排电压（V）"
    },
    {
      "name": "propulsionMotorControlBoxCurrent",
      "offset": 30,
      "type": "uint16",
      "description": "推进电机控制箱电流（A）"
    },
    {
      "name": "busbarACurrent",
      "offset": 32,
      "type": "uint16",
      "description": "A排电流（A）"
    },
    {
      "name": "lithiumBatteryGroupMeterCurrent",
      "offset": 34,
      "type": "uint16",
      "description": "锂电池组表计电流（A）"
    },
    {
      "name": "bowHighVoltageDistributionBoxCurrent",
      "offset": 36,
      "type": "uint16",
      "description": "艏部高压配电箱电流（A）"
    }
  ]
}