1.准备工作

1-1、T3000-云腾边缘一体机

商品图片待上传：

商品详情待替换：

1-2、CAN传感器，温湿度传感器

1-3、USB转485工具，读取到传感器的波特率和地址码

1-3-1、USB转485工具接线图：

1-3-2、通过软件读取并配置传感器地址码及其波特率

接线完成后将USB转485工具连接电脑并打开 "控制面板" -> "设备管理器"，找到其连接的端口号：

然后打开串口工具：

1-4、RS485设备连接T3000RS485-1接口接线图

2、进入Node-red实例中，进行节点配置

节点接线图

RS485-请求(Modbus-请求节点)配置：

串口节点配置：

RS485解析(Modbus-解析节点)配置：

视频演示

Node-red流程完整代码

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