BMS Main 2RX

Last modified by Admin on 2026/11/02 09:06

BMS Main 2R firmware update procedure is described here.

v3.12.1

BMS_Main_2RX_v3.12.1.bin 

Fixes

  • skipping the reading of non-existent parameters during data exchange with BMS Mini and BMS Main 2.1
  • corrections to battery module error

v3.12.0

Features

  • new flag that allows a battery module containing no cells to be considered as being in the offline state (see the "Control - Modules" section)

v3.11.2

Fixes

  • resolving the issue where the device may hang when encountering communication issues while sending a compressed answer via the CLI

v3.11.0

BMS_Main_2RX_v3.11.0.bin 

Features

  • compatibility with the BMS Main 2RX device; from this release onwards, the BMS Main 2RX firmware version will be the same as the BMS Main 3X firmware version
  • support for the ESS Modbus controller (see the "External equipment - ESS Modbus controller" section)
  • ability to manually clear/reset device errors via CANopen, Modbus, CLI (see the "State - Error reset" section)
  • new input signals "Status 1", "Status 2", "Status 3", "Status 4"

Fixes

  • resolving the problem of device stability when reading/writing large amounts of data using the Modbus protocol
  • resolving a problem in the cellular communications subsystem