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Message length and maximum message rate

A maximum of 8 bytes of data can be transmitted with one CAN message. The available data transmission capacity is sufficient for most applications in the field of automation systems or in motor vehicles. Larger data blocks, e.g. for device configuration, can be transmitted by a series of consecutive CAN messages. The main advantages of short messages are the shorter latency times for high-priority messages and the ability to transmit even in environments with high fault-intensity.
With a bit rate of 1 Mbit/s, approx. 10,000 messages per second can be transmitted with an average data length of 4 bytes and up to approx. 7,200 messages per second with 8 bytes data length (standard format).

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