为什么要有不同的通讯协议?比如现场总线里面,有 Modbus 还有其他的,为什么不能共用一个协议? 知乎 Template


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tomski为什么要有不同的通讯协议?比如现场总线里面,有 modbus 还有其他的,为什么不能共用一个协议? coloring