Abstract

Considering the bad electromagnetic environment of electric vehicle, a stable communication system is necessary. Because of its unique stability, CAN bus has been widely used in the field of automotive electronics. CANopen is a higher layer protocol of CAN bus, it has the advantages of conciseness and open-source. In this passage, based on sub-protocol DS301 and DS402, the implement of CANopen in motion control is introduced. The establishment of object dictionary and motor application object is the main content in this article.

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