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本文提出了基于ＢＩＴＢＵＳ位总线的主从式总线型ＤＮＣ（分布式数控）总体方案，分析了ＢＩＴＢＵＳ通讯网络，重点论述了系统的硬件配置，软件设计和伺服控制结构。研究和实践表明，分布式数控系统配置灵活，可靠性高，投资少，见效快。适合机械制造行业中小规模的生产系统，具有实用价值。
In this paper, the master-slave Bus DNC (Distributed NC) based on BITBUS bit bus is proposed. The BITBUS communication network is analyzed. The hardware configuration, software design and servo control structure are mainly discussed. Research and practice show that distributed CNC system has the advantages of flexible configuration, high reliability, less investment and quick response. Suitable for medium and small-scale production system in machinery manufacturing industry, it has practical value.