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How does a VBOX use CAN

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The robust nature of CAN Bus has meant that it has become widely used in industry for carrying measurement data in harsh environments. Because of this, Racelogic adopted CAN Bus as a method for transferring data between the VBOX data loggers and external modules such as the ADC03 and TC8.

The VBOX uses CAN in two ways:

Racelogic CAN Operating Modes

Racelogic Mode

  • This should be set if a Racelogic module is to be used with a Racelogic VBOX. All CAN parameters are set to work with the Racelogic VBOX CAN protocol.
     

User Polled CAN Mode

  • This mode allows a customer to use their own data logging system to poll a Racelogic Module for data. In this way, the output timing of the sensor can be synchronised with other CAN Information. The following parameters are all used and so must be set:
    • Baud Rate
    • Extended Identifiers (On or Off)
    • Request Identifiers
    • Response Identifiers
    • Timer (this has no effect in this mode)


Timed CAN Mode

  • In this mode, the module will send CAN data at intervals determined by the timer value. The following parameters are all used and so must be set:
    • Baud Rate
    • Extended Identifiers
    • Request Identifiers (these have no effect in this mode)
    • Response Identifiers
    • Timer (time interval in milliseconds between output data)
       

See also

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