一个基于ModBus RTU协议的PLC继电器从站

上传者: lunchui6013 | 上传时间: 2021-08-20 01:25:21 | 文件大小: 61KB | 文件类型: ZIP
一个基于ModBus RTU协议的PLC继电器从站 Interface 从站板 interface组成:STC单片机 + MAX485 + 继电器 接受主站的485协议控制命令下达 控制下料继电器动作、停止 485地址对应设置(地址号) 主站的采集数据命令下达,暂存器位置的数据(重量)中介中转回饋主站,从站的数据上传,以及对于料槽的数据取得

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