pylontech_internal_version_number BMS firmware version number reported by the Pylontech system. | ••• | ••• | ••• | | R |
system_number_of_parallel_piles Total number of battery piles connected in parallel. | ••• | ••• | ••• | count | R |
voltage DC pack voltage of the battery system, volts. | ••• | ••• | ••• | V | R |
current Pack current; positive indicates charge, negative indicates discharge. | ••• | ••• | ••• | A | R |
system_temperature Overall system temperature reported by the BMS, degrees Celsius. | ••• | ••• | ••• | °C | R |
soc State of charge, 0 to 100 percent. | ••• | ••• | ••• | % | R |
cycle_times Cumulative charge/discharge cycle count for the battery system. | ••• | ••• | ••• | count | R |
charge_max_voltage Maximum allowable charge voltage set by the BMS, volts. | ••• | ••• | ••• | V | R |
bp_charge_bms BMS-reported maximum charge power limit for the battery pack. | ••• | ••• | ••• | W | R |
discharge_min_voltage Minimum allowable discharge cutoff voltage set by the BMS, volts. | ••• | ••• | ••• | V | R |
bp_discharge_bms BMS-reported maximum discharge power limit for the battery pack. | ••• | ••• | ••• | W | R |
max_cell_voltage Highest individual cell voltage across all cells, millivolts. | ••• | ••• | ••• | mV | R |
min_cell_voltage Lowest individual cell voltage across all cells, millivolts. | ••• | ••• | ••• | mV | R |
max_voltage_cell_number Index number of the cell with the highest voltage. | ••• | ••• | ••• | | R |
min_voltage_cell_number Index number of the cell with the lowest voltage. | ••• | ••• | ••• | | R |
max_cell_temperature Highest individual cell temperature across all cells, degrees Celsius. | ••• | ••• | ••• | °C | R |
min_cell_temperature Lowest individual cell temperature across all cells, degrees Celsius. | ••• | ••• | ••• | °C | R |
max_temperature_cell_number Index number of the hottest cell in the pack. | ••• | ••• | ••• | | R |
min_temperature_cell_number Index number of the coolest cell in the pack. | ••• | ••• | ••• | | R |
max_module_voltage Highest voltage among all modules in the system, volts. | ••• | ••• | ••• | V | R |
min_module_voltage Lowest voltage among all modules in the system, volts. | ••• | ••• | ••• | V | R |
max_voltage_module_number Index number of the module with the highest voltage. | ••• | ••• | ••• | | R |
min_voltage_module_number Index number of the module with the lowest voltage. | ••• | ••• | ••• | | R |
max_module_temperature Highest temperature among all modules in the system, degrees Celsius. | ••• | ••• | ••• | °C | R |
min_module_temperature Lowest temperature among all modules in the system, degrees Celsius. | ••• | ••• | ••• | °C | R |
max_temperature_module_number Index number of the hottest module in the system. | ••• | ••• | ••• | | R |
min_temperature_module_number Index number of the coolest module in the system. | ••• | ••• | ••• | | R |
soh State of health, 0 to 100 percent, indicates battery degradation. | ••• | ••• | ••• | % | R |
remaining_capacity Current remaining capacity available in the battery system. | ••• | ••• | ••• | | R |
charge_capacity Total charge capacity of the battery system at present state. | ••• | ••• | ••• | | R |
discharge_capacity Total discharge capacity of the battery system at present state. | ••• | ••• | ••• | | R |
daily_accumulated_charge_capacity Total energy charged into the system since last daily reset. | ••• | ••• | ••• | | R |
daily_accumulated_discharge_capacity Total energy discharged from the system since last daily reset. | ••• | ••• | ••• | | R |
historical_accumulated_charge_capacity Lifetime cumulative charge energy for the battery system. | ••• | ••• | ••• | | R |
historical_accumulated_discharge_capacity Lifetime cumulative discharge energy for the battery system. | ••• | ••• | ••• | | R |
request_force_charge_mark BMS flag requesting the inverter to initiate a force charge cycle. | ••• | ••• | ••• | | R |
request_balance_charge_mark BMS flag requesting the inverter to perform a balancing charge. | ••• | ••• | ••• | | R |
number_of_piles_in_parallel Number of battery piles currently active in the parallel bank. | ••• | ••• | ••• | count | R |
number_of_modules_in_series_per_pile Count of modules connected in series within each pile. | ••• | ••• | ••• | count | R |
number_of_cells_in_series_per_pile Count of cells connected in series within each pile. | ••• | ••• | ••• | count | R |
charge_forbidden_mark BMS flag indicating charging is currently prohibited. | ••• | ••• | ••• | | R |
discharge_forbidden_mark BMS flag indicating discharging is currently prohibited. | ••• | ••• | ••• | | R |
insulation_resistance Measured insulation resistance of the battery system. | ••• | ••• | ••• | Ω | R |
insulation_resistance_error_level Severity level of any insulation resistance fault detected. | ••• | ••• | ••• | | R |
sleep_wake_channel Write register to trigger sleep or wake of the battery system. | ••• | ••• | ••• | | W |
