通过Node-RED实现网络转RS485发送16进制控制485设备

youhaishan · 发表于 2018-3-25 22:27:49

本帖最后由 youhaishan 于 2018-3-25 23:29 编辑

通过一晚上的折腾，终于实现通过网络转RS485模块实现对RS485继电器的控制，主要实现方法是在Node-RED上设置一个TCP Server服务端对端口进行监听，网络转RS485模块作为TCP Client连接到Node-RED上，触发控制指令（主要是16进制格式，目前市场上继电器板大部份通信协议均为16进制）通过网络转RS485模块将指令传输至RS485总线上，总线上的继电器板根据指令执行相应动作（如第几块板“主要以设备地址码区分”、第几路继电器、执行什么动作等等）。以及接入一些具备RS485接口的设备，如调光器、指令板、串口屏等等；也可通过简单的集成芯片、外围电路轻松做出红外、315、433遥控器、等设备，只要具备UART通信接口的模块、知道通信协议便可轻松接入。废话有点多了，直接贴代码。最后还要感谢群里的磊子，陪我折腾了一晚上。

TIM截图20180325221728.jpg

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后面贴几个比较有用的模块芯片供参考

红外芯片