In orderto solve the data conflict problem affecting the production efficiency in the automatic intelligent spinning machine,the bus arbitration function is added on the traditional RS485 bus.the design effectively solves the problem of bus data conflict,improves the production efficiency,has a good application in the automatic intelligent spinning machine.%为了解决全自动智能纺纱机通信数据冲突影响生产效率的问题,在传统RS485总线基础上增加了总线判优控制功能,有效解决了总线数据冲突问题,提高了生产效率,在全自动智能纺纱机上应用效果良好.
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