Hi everybody where can I get a manual for an explanation of the meaning of each feature of this data can bus?
Thank you for your question.
You can look up what parameter via what adapter are available here: https://wiki.teltonika-gps.com/view/FMB640_Teltonika_Data_Sending_Parameters_ID#CAN_adapters_elements
The parameters You can get from the vehicle depends on the model. There is supported vehicle list which can be found on Our Wiki, where You can look up adapter and supported vehicles and their supported parameters.
Each adapter has different supported vehicle list.