{
  "channels": [
    {
      "channelId": "serial_0",
      "protocol": "modbus",
      "transport": "rtu",
      "port": "/dev/ttyS3",
      "baudRate": 9600,
      "parity": "N",
      "dataBits": 8,
      "stopBits": 1,
      "pollIntervalMs": 500
    },
    {
      "channelId": "eth_modbus_tcp_0",
      "protocol": "modbus",
      "transport": "tcp_rtu",
      "host": "192.168.31.253",
      "tcpPort": 502,
      "pollIntervalMs": 500
    },
    {
      "channelId": "can_0",
      "protocol": "canopen",
      "transport": "can",
      "interface": "can0",
      "bitrate": 500000,
      "pollIntervalMs": 200
    }
  ]
}