Star physical distribution CAN (Controller Area Network) bus equipment with daisy-chain topology structure
A CAN bus and topology technology, applied in the field of electronic information, can solve problems such as the inability to realize a bus topology, and achieve the effects of convenient cable length, easy modification, and reduction of the probability of bus bit errors.
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.
[0025] Technical scheme of the present invention is:
[0026] ① In the star-shaped physically distributed CAN bus device, the switching point device is the center, and the peripherals are connected to it through cables. Switching point devices, peripherals, and cables together form the CAN bus system.
[0027] ②The exchange point device has multiple CAN bus interfaces externally, and each CAN bus interface is numbered. According to the interface requirements with peripherals, select two points in the interface socket / head of the switching point device, and form a bus through the external cable loopback connection between the two points in the same plug and the internal cable connection between adjacent sockets , Hanging the peripherals on the bus through the cable can rea...
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