master_mcu_hardware_version Hardware version string of the master MCU board. | 0 | FC03 | string | | R |
master_mcu_firmware_version Firmware version string of the master MCU. | 5 | FC03 | string | | R |
slave_mcu_hardware_version Hardware version string of the slave MCU board. | 2176 | FC03 | string | | R |
slave_mcu_firmware_version Firmware version string of the slave MCU. | 2181 | FC03 | string | | R |
master_serial_number Serial number string of the master BMS unit. | 2762 | FC03 | string | | R |
submaster_map_a Bitmask indicating which submaster modules are present, read. | 20 | FC03 | uint32 | | R |
online_tower Bitmask of battery towers currently online. | 2628 | FC03 | uint32 | | R |
running_tower Bitmask of battery towers currently running and active. | 2630 | FC03 | uint32 | | R |
voltage Total DC pack voltage of the battery system, volts. | 2680 | FC03 | int32 | V | R |
current DC current flowing through the battery pack, amperes. | 2682 | FC03 | int32 | A | R |
battery_soc Battery state of charge, 0 to 100 percent. | 2684 | FC03 | uint16 | % | R |
soh Battery state of health, 0 to 100 percent. | 2685 | FC03 | uint16 | % | R |
nominal_capacity Nominal capacity of the battery system as configured. | 2686 | FC03 | int32 | Wh | R |
total_charge_capacity_ampere_hours Cumulative total charge delivered to the battery, ampere-hours. | 2688 | FC03 | int64 | | R |
total_discharge_capacity_ampere_hours Cumulative total energy drawn from the battery, ampere-hours. | 2692 | FC03 | int64 | | R |
max_soc Highest state of charge across all towers, percent. | 2696 | FC03 | uint16 | % | R |
max_soc_tower_id Tower ID reporting the highest state of charge. | 2697 | FC03 | uint16 | | R |
min_soc Lowest state of charge across all towers, percent. | 2698 | FC03 | uint16 | % | R |
min_soc_tower_id Tower ID reporting the lowest state of charge. | 2699 | FC03 | uint16 | | R |
max_cell_voltage Highest individual cell voltage in the system, millivolts. | 2700 | FC03 | uint16 | mV | R |
min_cell_voltage Lowest individual cell voltage in the system, millivolts. | 2702 | FC03 | uint16 | mV | R |
max_cell_temperature Highest cell temperature in the system, degrees Celsius. | 2704 | FC03 | int16 | °C | R |
min_cell_temperature Lowest cell temperature in the system, degrees Celsius. | 2706 | FC03 | int16 | °C | R |
insulation_resistance_at_positive_pole Insulation resistance measured at the positive DC pole. | 2708 | FC03 | int32 | Ω | R |
insulation_resistance_at_negative_pole Insulation resistance measured at the negative DC pole. | 2710 | FC03 | int32 | Ω | R |
total_charge_capacity_watt_hours Cumulative total charge energy into the battery, watt-hours. | 2720 | FC03 | int64 | Wh | R |
total_discharge_capacity_watt_hours Cumulative total discharge energy from the battery, watt-hours. | 2724 | FC03 | int64 | Wh | R |
system_fault_counters Count of recorded system faults since last reset. | 2728 | FC03 | uint16 | count | R |
insulation_resistance_detection_status Status word for the insulation resistance detection process. | 2738 | FC03 | uint32 | | R |
relay_status Bitmask showing the current state of all BMS relays. | 2740 | FC03 | uint32 | | R |
battery_max_cell_volt Maximum cell voltage threshold used by the BMS. | 2742 | FC03 | uint32 | mV | R |
battery_min_cell_volt Minimum cell voltage threshold used by the BMS. | 2744 | FC03 | uint32 | mV | R |
battery_nominal_power Rated nominal power of the battery system, watts. | 2774 | FC03 | uint32 | W | R |
battery_available_power Instantaneous available power the battery can deliver, watts. | 2776 | FC03 | uint32 | W | R |
start_charge_voltage_limit Voltage threshold below which charging is permitted to start. | 2786 | FC03 | uint16 | mV | R |
start_discharge_voltage_limit Voltage threshold above which discharging is permitted to start. | 2787 | FC03 | uint16 | mV | R |
bp_charge_bms BMS-reported charge power setpoint or limit. | 2790 | FC03 | int32 | W | R |
bp_discharge_bms BMS-reported discharge power setpoint or limit. | 2792 | FC03 | int32 | W | R |
charge_max_power Maximum allowable charge power at present conditions, watts. | 2794 | FC03 | int32 | W | R |
discharge_max_power Maximum allowable discharge power at present conditions, watts. | 2796 | FC03 | int32 | W | R |
battery_nominal_current Rated nominal current of the battery system, amperes. | 2798 | FC03 | int32 | A | R |
battery_available_current Instantaneous current the battery can supply or absorb, amperes. | 2800 | FC03 | int32 | A | R |
soc_for_inverter State of charge value reported to the connected inverter. | 2802 | FC03 | uint16 | % | R |
charge_max_voltage Maximum charge voltage limit communicated by the BMS, volts. | 2804 | FC03 | uint16 | V | R |
discharge_min_voltage Minimum discharge cutoff voltage communicated by the BMS, volts. | 2805 | FC03 | uint16 | V | R |
force_to_charge Flag indicating the BMS is forcing a charge cycle. | 2813 | FC03 | uint16 | | R |
charge_ready Flag indicating the battery is ready to accept charge. | 2814 | FC03 | uint16 | | R |
discharge_ready Flag indicating the battery is ready to supply power. | 2815 | FC03 | uint16 | | R |
heart_beat_a Heartbeat counter read from the BMS, increments each cycle. | 3064 | FC03 | uint32 | | R |
number_of_modules_per_tower Number of battery modules installed in each tower. | 3098 | FC03 | uint16 | count | R |
number_of_cells_per_module Number of individual cells in each battery module. | 3099 | FC03 | uint16 | count | R |
unit_id Modbus unit ID setpoint for this BMS device. | 17 | FC16 | uint16 | | W |
unit_number Unit number assignment register for multi-unit configurations. | 18 | FC16 | uint16 | | W |
submaster_map_b Bitmask write register to configure active submaster modules. | 20 | FC16 | uint32 | | W |
baudrate Serial baud rate configuration register for BMS communication. | 161 | FC16 | uint16 | | W |
heart_beat_b Heartbeat write register; must be refreshed to keep watchdog active. | 3064 | FC16 | uint32 | | W |
