For better resolution of bms diagram ,please check the inserted PDF file;
Connection Diagram of HV BMS.pdf
Attention : when you do wiring , please check whether or not the ground of the DC-DC power supply is connected to the
housing of the high Voltage box, and the housing of the high voltage box should be grounded. And the case of all batteries
should also be grounded!
This bms can talk to inverter：
(DEYE/GOODWE/ATESS/INVT_BD/PYLON/GROWATT/SOFAR/MEGAREVO/KOYOE/SOLAX)
BMS Basic Protocals (Modbus Protocals)
HV BMS Modbus Protocals_EN-TOPBMS.pdf
User Manual -English version
Display Instruction of HV BMS- TOPBMS.pdf
Instruction of Master BMS Configuration -TOPBMS.pdf
Master BMS Configuration Via RS485 to USB - TOPBMS.pdf
Master BMS Configuration PC Softwarfe
TOPBMS- Master BMS Configuration.zip
Configuration for Different Inverters and flash Inverter protocals into Master BMS
(GOODWE/ATESS/SOFAR/INVT_BD/PYLON/GROWATT/MEGAREVO/KOYOE)
Master BMS is used to configurate the charging cut-off / discharging cut-off /Over current cut-off / Balance starting /Inverter Communication / Inverter charging cut-off / Invert discharging cut-off /Cell strings ,etc. Let me take BMS 48S for example , please see the following configuration
Master BMS Configuration Via RS485 to USB - TOPBMS
Master BMS Configuration Via RS485 to USB - TOPBMS.pdf
Video -1 of PC Software regarding Master BMS Configuration
For more description of how to use the PC software , we attach a larger size of video ;please check
Video -2 -Compressed
Instruction of Master BMS Configuration -TOPBMS
Instruction of Master BMS Configuration -TOPBMS.pdf
HV BMS Monitoring System
TOPBMS HV BMS Parameters Monitoring Software.zip
How to get correct SOC now?
Set the design capacity / full capacitu / residual capacity in the pc software as below
and then take a complet cycle of discharging and charging ; finally the SOC will be calibrated automatically
HV BMS Montoring User Manual
Display Instruction of HV BMS- TOPBMS
Display Instruction of HV BMS- TOPBMS.pdf
Cable for RS485 to USB
Driver Software (UT-8890)of Converter of RS485 to USB
Driver Software (UT-885/890/2003A/880/8801)of Converter of RS485 to USB
UT-885、890、2003A、880、8801 DRIVER.rar
Driver Software (CH340 for Win11)
Driver Software (CH340 for Win7,8,9,10)
CH348 Driver for win7 ，8 ，10.zip
you need to change the settings of converter via RS485 transmission cable ; if not , the converter cannot work properly
Let me take 96S and 128S for example , please see following :
If lifepo4 battery 128 cells in series , please do setting in the following way :
Step 1: Select "128S +8 bmu(16s)" and then press the button "Load”
Step 2 :After you press the button"Load ", the settings are automatically loaded from the sysyem,but these settings are just used for lifepo4 batteries (If you use Li-ion NMC battery/LTO Battery , you need to do settings by yourself ) ; Afterwards ,you need to press the button "Write" and "Read" seperately
If lifepo4 battery 96 cells in series , please do setting in the following way :
Master BMS Firmware Update :
Master BMS UPDATE INSTRUCTION -V1.pdf
you can flash the protocals /bin files into master bms
Battery capacity Settings in the BMS Monitoring Systerm Software
Slave BMS DIP CODE ： each slave bms has one dip code ; the rule as following :
Slave bms connected in series
Slave Bms can control 6-16cells （Max 16 cells）; It means the slave bms has downwards compatibility ; the wiring diagram as following :
Slave Bms can control 6-16cells （Max 16 cells）; It means the slave bms has downwards compatibility ; the wiring diagram as following :
Interface Decription of Slave bms
Interface Decription of Master bms
How to Use /Wire DCDC converter :
How to Wire Display or Wire Inverter with RS485 Port
