Seeing some confusing differences - Not making much sense, in the expected way.
Suspect the way Pylon BMS calcs / presents its voltage is the the issue.
Dual Multi 3kw - SmartSolar (E/W) - BlueSolar (S)- 4x Pylon US2000 - 2kw AC PV Inverter (E/W)
Answers on a postcard : /