Comments (4)
Hi,
I would need the RS485 communication protocol specification for the Sacred Sun BMS. The Solis understands the PylonTech CAN protocol so that's no problem.
To setup a system with this application you will need a Raspberry PI with a RS485/CAN hat.
from bms-to-inverter.
Thx for reply...
I don't know exactly about the RS485 communication protocol specification for the Sacred Sun BMS. However, battery can be connected/accessed with PC via RS485 USB converter (as shown in attachment) with following BMS softwares in window10.
https://energytalk.co.za/uploads/short-url/6i0wuNTGFnHFxXLpCFh1D2EIZbl.zip
PC Connection setup: https://www.youtube.com/watch?v=IOAFlZLxnPE
from bms-to-inverter.
Another software checked working with the same battery.
from bms-to-inverter.
Ok, after a little (or long) research I found out that your BMS seems to be a rebranded Tian Power BMS that seems to use the same RS485 protocol as the EG4 LiFePower battery packs. What I've found so far is a crude implementation and some reverse engineered documentation on the protocol. I did find a EG4 LiFePower RS485 protocol which some comments believe it to be buggy but that would be a starting point. There is also a user @TianPower here on Github who might help if you give him the serial number of your BMS and send you the RS485 communication specification.
from bms-to-inverter.
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