The battery packs I have are Nissan LEAF kinds (400VDC with BMS), but When the voltage is just not matching just what the inverter demands It is really rather straightforward to re-set up the layout. My only problem with utilizing the LEAF pack BMS is that the shunts are so small that it's going to take eternally to balance a pack.
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I can also ensure that When your HV battery ( or bms ) can do this protocol picked as "Lithium battery HV" with the Solis app battery settings you should have entire CAN battery communications. You'll find needless to say plug and Engage in choices, such as the Pylontech H1 or BYD HVL that meet UL9540.
Any Concepts? Or is there another way to implement All those models however through the use of two or one thing? I am fresh to this so have to get my bearings.
I did notice reduction of discharge Restrict recent since the pack SOC dropped, but I didn't observe these limits tapering considerable as limiting very low cell voltage value approached my prescribed reduce Restrict worth of 2.8V. The BMS needed to open the contactor to save the bottom cell, so Possibly more than the SOC is miscast in the interpretation from .dbc to .o2bms string.
Now to carry on with reverse engineering the Modbus RTU protocol to make sure that we could link ~50kWh of expended LEAF battery packs rather... :D
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I'd hope that other BYD versions would use the exact same standard messages but I have view no proof to assistance that. Click on to broaden...
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EDIT: I did not see my previously write-up exactly where I spotted that you choose to were being also discussing the High Voltage DEYE inverter with high voltage batteries. Previously I'd an original Orion BMS and talked with Orion with regard to the CAN protocol and found out that it's not carried out on that BMS.
The CAN specs: I eventually obtained the BMS to talk to the inverter. By demo and error, I determined that there's a slight misinformation during the CAN specs supplied by Richard (attachment in the initial submit in the thread), Or even it's poorly created within the document. The doc states read this that any concept sent by the BMS ought to have its ID (extended structure) composed of a 4-digit prefix + one-digit suffix (i.
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