Based on the analysis of CAN bus protocol, this paper obtains upper limit of frames in a single CAN bus through calculating its busload.

文章从分析CAN总线协议入手，通过计算CAN总线的总线负载率，得出单个CAN总线传输报文帧的上限值。

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Emphasize on analysing the features of CAN and the structure of the CAN bus protocol. Finally the NCS constituted by CAN bus and its time delay are analysed.

介绍了几种目前比较流行的现场总线，重点分析了CAN总线的性能特点和协议结构以及由CAN总线构成的网络控制系统及时延特性。

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This includes the ability to access those resources using multiple protocols and APIs; a message can be sent into the bus over one protocol and be available to its consumer via another protocol.

这包括使用多重协议及API访问那些资源的能力；消息能够发送到协议上的总线并且经由另一个协议可以获得其消费者。

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