I-7188XBD-CAN/μPAC-7186EXD-CAN user manual (ver.1.0.3, May/09/2014)
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The CAN bus bard rate has the high relationship with the bus length. The
following table indicates the corresponding bus length on every kind of baud
rate.
Baud rate (bit/s)
Max. Bus length (m)
1 M
25
800 K
50
500 K
100
250 K
250
125 K
500
50 K
1000
20 K
2500
10 K
5000
Note: When the bus length is greater than 1000m, the
bridge or repeater devices may be needed.