珠海市希望电子有限公司
User Manual
TOPBMS High Voltage BMS 12S-240S with active balancing 2A + RS485 Communication/CANBUS Communication for Eelectrical Vehicle and Solar Energy Storage
Mar,25,2025

TOPBMS High Voltage BMS 12S-240S with active balancing 2A 

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PC Software ; Please install bms pc software and drive software  in the pc before you configurate bms


TOPBMS上位机-  English.rar

Driver software .zip

How to use BMS PC Software ? Please see the below instruction 

  • How to connect bms to pc ?


You need to connect master bms to PC via the adaptor of canbus to USB via CAN 1 


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  • The computer needs to select the correct time format(YEAR-MONTH-DAY) as following before you use BMS pc software;

 otherwise , The BMS pc sofware can not work well;

Correct Format

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Wong Format

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and afterwards , you can open the bms pc software as below :

Open Device--->Z CAN USB CAN1---> 500K (Baud Rate)

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  • You can set Port  CAN 1 or  Port CAN2  for communication port between master bms and PC or between Master BMS and Inverter /PCS

The following Main parameters settings are configurated before BMS leave factory;Please don't change them ;


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The other Parametes settings (Cell voltage ,charge current ,discharge current,SOC, temperature)

  • 3-level parameters setting ;  

 If  BMS level 1 and level 2 alarms, the relay will disconnect and then automatically re-close; If  level 3 alarms, manual restart of BMS is required.

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  • How to set the battery strings and NTC? Please see " Batter _Configuration"

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  • Real Time Monitoring Of Voltage and Temperature

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  • The charging and discharging quantities should be reset to zero. This needs to be done by filling in "zero" at the initial value section on the home page.

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Wiring Diagram for Solar Energy Storage 

Wiring scheme for BCU-B3 - ENG-Solar energy storage.pdf

Wiring scheme for slave bms 24S- ENG.pdf


Wiring Diagram for EV

Wiring Scheme for BCU-Q3-ENG-EV.pdf

Wiring scheme for slave bms 24S- ENG.pdf