Through the application of CAN bus in digital Control Logging system, the paper describes the hardware composition, introduces the calculation of baud rate and Software initialization.

文章通过CAN总线在数控测井仪中的应用过程，给出了CAN总线的硬件连接，波特率计算，软件初始化及报文信息的收发初始化，介绍了CAN总线的使用方法。

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The software consists of initialization, data collection, verifying, result judging, data modify, result output and data backup module.

该软件包括初始化、数据采集、电量校核、结果判断、数据修改、结果输出和数据备份这几个模块。

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The software consists of initialization, data collection, automated mapping, map zoom, map roam, information query, map modify, map storage and map print module.

该软件包括初始化、数据采集、自动绘制地图、地图漫游、地图缩放、信息查询、地图修改，地图存储和地图打印这几个模块。

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