Field bus system has been successfully introduced into industrial automation. Nowadays, most of the motion control bus is based\r\non the Ethernet physical layer, and all of the new standards are based on the Ethernet physical layer. This paper introduces a new\r\noptimized technology based on motion control bus of the Ethernet physical layer, which includes the prediction mechanism in the\r\narrival of the frames, the retransmissionmechanism in advance, and a new mechanism of independent verification of data segment.\r\nTests show that using the mechanisms in this paper can enhance efficiency and reliability in communication process.
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