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本文介绍如何采用ＣＡＮ总线技术实现主从或多主发送方式进行控制设备之间的数据交换，具有实际应用参考价值。
This article describes how to use CAN bus technology to achieve master-slave or multi-master to send data between the control device for data exchange, with practical application of reference value.