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RACELOGIC Support Centre

5.7 CAN Menu

This page covers the CAN menu in VBOX Setup connected to a VBOX 3i Single Antenna (v5) with firmware version 3.0.

 

 

CAN - default - single antenna.png

The CAN menu is where you can export dbc files, set the CAN baud rate, set the output rate and CAN termination and swap CAN port functionality.  

Bus Loading

In the top right corner of the CAN menu, you will see a Bus loading graphic.

This graphic will display the current load on the CAN bus, so that you can see the load you apply to the bus as you add channels. We recommend a maximum load of 70%. If the CAN bus loading exceeds the recommended 70%, the CAN bus may become unstable and samples may be lost. You can reduce the bus load by increasing the baud rate or reducing the number of output IDs.

CAN Menu_Bus loading.png
Settings Tab
VBOX DBC Export

Export

Click this button to create a .DBC file of the current VBOX CAN output configuration. 

CAN_Settings_DBC_export-cropped.png
Baud Rate

Vehicle CAN bus (VCI) baud rate

The baud rate sets the bit rate of the CAN messages (not the frequency at which the messages are sent).  VBOX 3i  units have four baud rate options – 1 Mbit/s, 500 kbit/s, 250 kbit/s and 125 kbit/s. The default setting is 500 Kbit/s as most light vehicles use that baud rate. 

CAN - baud rate.png

Custom Baud Rate

If you wish to use another baud rate than the specific baud rate settings, you can select the Custom option and click the Edit button. This will open a window where you can set your own custom baud rate.   

CAN - Custom baud rate - edit - with baud rate list compiled.png
Settings 

Output Rate

This setting controls the CAN output update rate for the purpose of resolving bandwidth limitation issues. The available update rates are:

  • 100 Hz
  • 50 Hz
  • 20 Hz
  • 10 Hz
  • 5 Hz
  • 1 Hz

Termination

Add 120-ohm resistance to the CAN bus connection on the CAN port and the SER port by using the toggle switch for each respective port. 

CAN - Settings - Settings.png
Ports

This area shows you an overview of the CAN ports on your connected VBOX 3i unit. Select which port is used for Racelogic CAN, and which is used for external CAN.

By default, Racelogic CAN is on the CAN port and external CAN is on SER port. 

Click the Swap button to swap the functionality on the ports. 

CAN - Settings - Ports.png
 
Transmitted Identifiers 

Select which CAN output identifiers you would like to have transmitted. The top table contains Motorola format CAN messages, the bottom table contains Intel format CAN messages, which are to be used with Stahle robot systems. 

CAN Menu_Transmitted Identifiers_Single Antenna.png
Send

Tick or un-tick the respective Send boxes for the messages you wish to switch on or off. 

Transmitted_IDs_Standard-Send.png
Default and Actual ID

You can modify the CAN IDs transmitted by the VBOX. The Default values are the Racelogic standard IDs, for example, 0x301, 0x302 …. 0x307.

Transmitted_IDs_Standard-Default_actual.png
Xtd

Tick the respective Xtd boxes for the identifiers you wish to extend from the standard 11-bit format to the extended 29-bit format. 

If it is unticked, the CAN identifier type will be standard 11 bit. The standard identifier type allows 2048 different CAN message identifiers or message “names”. The extended identifier type allows 436207616 different CAN message identifiers. The identifier type should be set to match the CAN data logging equipment.

Transmitted_IDs_Standard-extended.png
Data bytes

Shows which channels will be sent out in each message.


Transmitted_IDs_Standard-data bytes.png

Example of the data byte view.

Select all

Click this button to tick all available Send boxes. 

 

De-select all

Click this button to un-tick all ticked Send boxes. 

Transmitted_IDs_Standard-selectall.png
Transmitted_IDs_Standard-deselectall.png
 
Transmitted ADAS Identifiers 

Select which ADAS CAN output identifiers you would like transmitted.

Note: This tab will only be available when you have enabled ADAS mode. 

CAN Menu_Transmitted ADAS Identifiers_Single Antenna.png
Send

Tick or un-tick the respective Send boxes for the messages you wish to switch on or off. 

Transmitted_IDs_Standard-Send.png
Default and Actual ID

You can modify the CAN IDs transmitted by the VBOX. The Default values are the Racelogic standard IDs, for example, 0x30A, 0x30B … 0x30F.

CAN Menu_Transmitted ADAS Identifiers_Default and actual identifier example.png
Xtd

Tick the respective Xtd boxes for the identifiers you wish to extend from the standard 11-bit format to the extended 29-bit format. 

Transmitted_IDs_Standard-extended.png
Data bytes

Shows which channels will be sent out in each message.

Channel Config Menu_Transmitted_IDs_ADAS_Data bytes.png

Select all

Click this button to tick all available Send boxes.

 

De-select all

Click this button to un-tick all ticked Send boxes. 

Transmitted_IDs_Standard-selectall.png
Transmitted_IDs_Standard-deselectall.png
Transmitted IMU Identifiers

Select which IMU CAN output identifiers you would like transmitted.

Note: This tab will only be available if you have enabled IMU integration. 

CAN Menu_Transmitted IMU Identifiers tab_single antenna units.png
Send

Tick or un-tick the respective Send boxes for the messages you wish to switch on or off. 

Transmitted_IDs_Standard-Send.png
Default and Actual ID

You can modify the CAN IDs transmitted by the VBOX. The Default values are the Racelogic standard IDs, for example, 600, 601, 602 and 603. 0x307.

CAN Menu_Transmitted IMU Identifiers tab_default identifiers.png
Xtd

Tick the respective Xtd boxes for the identifiers you wish to extend from the standard 11-bit format to the extended 29-bit format. 

Transmitted_IDs_Standard-extended.png
Data bytes

Shows which channels will be sent out in each message.

CAN Menu_Transmitted IMU Identifiers tab_Data bytes.png

Select all

Click this button to tick all available Send boxes.

 

De-select all

Click this button to un-tick all ticked Send boxes. 

Transmitted_IDs_Standard-selectall.png
Transmitted_IDs_Standard-deselectall.png
 CAN Pass Through

You can output channel data from the Racelogic CAN bus (i.e. Racelogic modules such as TC8) on the isolated customer VCI bus. You can configure output data (in VBOX Setup) by using channels from the available channels dropdown list, and configure the identifier as required. 

The VBOX unit can output up to 8 user-configured CAN messages, and 16 CAN channels over the customer VCI bus.

CAN Menu_CAN Pass Through_Single Antenna.png
This CAN pass-through is an alternative output for CAN. This allows you to output any configured channel in 32-bit float format on a user-configured ID. You can also choose to extend the identifiers to a 29-bit format if needed. 
Note: If you are loading configuration settings from a previously saved .RCF file and external modules were connected during the save, selected CAN pass-through channels may not be reloaded correctly. Please check and manually configure these channels in VBOX Setup.

 

 

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