Software » Campo

h1. CAN-Bus

Fault-tolerant Low-Speed CAN is up to 125KBit/s.

https://www.can-cia.org/can-knowledge/canopen/canopen-lower-layers/

|_.Bit-Rate  |_.Bus length |_. Max. stub length |_. Accumulated stub length|

|1 Mbit/s    |25 m         |             1,5 m  |   7,5 m                  |

|800 kbit/s  |50 m         |             2,5 m  |   12,5 m                 |

|_.500 kbit/s  |100 m        |             5,5 m  |   27,5 m                 |

|250 kbit/s  |250 m        |              11 m  |   55 m                   |

|125 kbit/s  |500 m        |              22 m  |   110 m                  |

|50 kbit/s   |1000 m       |               5 m  |   275 m                  |

|20 kbit/s   |2500 m       |           137,5 m  |   687,5 m                |

|10 kbit/s   |5000 m       |             275 m  |   1375 m                 |

According to "this":https://www.orionbms.com/manuals/utility_jr/acc_canbus_baud.html site, 

500kbit/s is common for most automotive applications. Works for me.

SAE1939: Standardisierte CAN-Baudraten von 250 kBit/s und 500 kBit/s

Audi A4: CAN-Antrieb 500 kBaud

J1939-14:

|_.Bit-Rate  |_.Bus length |_. Max. stub length |

|500 kbit/s  |40 m         |             1,67 m |