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Communicating with CAN bus

CAN bus is our only supported communication protocol for small and medium format batteries

Rafael Fernando Ancheta III avatar
Written by Rafael Fernando Ancheta III
Updated over 7 years ago

Starting up

CAN bus (Controller Area Network) is a way for your BMS to communicate data like capacity, cycle life, temperature to a computer. It was developed for the automotive industry but is used in many other contexts. 

PC Software & Drivers

Open the BMS Can Bus Software Guide for instructions on installation of software and drivers necessary to interface on your PC. You can change parameters, track and record cycle data, temperature, and so on. 

Connector

Both USB and R85USB are available.

Understanding the RS485 Protocol 

Message Description Snippet:

:0082310080000101C00000880F540F3C0F510FD70F310F2C0F340F3A0FED0FED0000000000000000000000000000000248424242F0000000000000000001AB~

:00 RS485 address
82 command
31 version number
0080 data length
000101C0000088 RTC time
0F54 1 Cell voltage
0F3C 2 Cell voltage
...



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