device_class Numeric code identifying the SMA device class category. | ••• | ••• | ••• | | R |
device_type Numeric code identifying the specific SMA device type. | ••• | ••• | ••• | | R |
serial_number Factory serial number of the Sunny Island unit. | ••• | ••• | ••• | | R |
software_package Installed firmware version, BCD-encoded in four bytes. | ••• | ••• | ••• | | R |
waiting_time_until_feed_in Remaining countdown before the inverter resumes grid feed-in. | ••• | ••• | ••• | s | R |
system_state Current operating state code of the Sunny Island system. | ••• | ••• | ••• | | R |
recommended_action Encoded code for the action recommended by the device. | ••• | ••• | ••• | | R |
message Active event or status message code from the device. | ••• | ••• | ••• | | R |
fault_correction_measure Encoded code indicating the suggested fault-correction step. | ••• | ••• | ••• | | R |
max_apparent_power Rated maximum apparent power output of the inverter, watts. | ••• | ••• | ••• | W | R |
active_charge_energy Cumulative AC energy delivered to charge the battery, watt-hours. | ••• | ••• | ••• | Wh | R |
active_discharge_energy Cumulative AC energy drawn from the battery during discharge, watt-hours. | ••• | ••• | ••• | Wh | R |
active_power Total three-phase AC active power, positive when discharging. | ••• | ••• | ••• | W | R |
active_power_l1 AC active power on phase L1, positive when discharging. | ••• | ••• | ••• | W | R |
active_power_l2 AC active power on phase L2, positive when discharging. | ••• | ••• | ••• | W | R |
active_power_l3 AC active power on phase L3, positive when discharging. | ••• | ••• | ••• | W | R |
grid_voltage_l1 AC grid voltage on phase L1, volts. | ••• | ••• | ••• | V | R |
grid_voltage_l2 AC grid voltage on phase L2, volts. | ••• | ••• | ••• | V | R |
grid_voltage_l3 AC grid voltage on phase L3, volts. | ••• | ••• | ••• | V | R |
frequency AC grid frequency, hertz, typically 50 or 60. | ••• | ••• | ••• | Hz | R |
reactive_power_l1 Reactive power on phase L1, VAr reported in watt register. | ••• | ••• | ••• | W | R |
reactive_power_l2 Reactive power on phase L2, VAr reported in watt register. | ••• | ••• | ••• | W | R |
reactive_power_l3 Reactive power on phase L3, VAr reported in watt register. | ••• | ••• | ••• | W | R |
operating_mode_for_active_power_limitation Encoded mode controlling how active power limitation is applied. | ••• | ••• | ••• | | R |
battery_current DC battery current, amperes, positive during discharge. | ••• | ••• | ••• | A | R |
soc Battery state of charge, 0 to 100 percent. | ••• | ••• | ••• | % | R |
current_battery_capacity Present usable battery capacity as a coded value. | ••• | ••• | ••• | | R |
battery_temperature Battery temperature measured at the inverter, degrees Celsius. | ••• | ••• | ••• | °C | R |
battery_voltage DC battery pack terminal voltage, volts. | ••• | ••• | ••• | V | R |
power_supply_status Encoded status of the inverter power-supply subsystem. | ••• | ••• | ••• | | R |
lowest_measured_battery_temperature Minimum battery temperature recorded over device lifetime, degrees Celsius. | ••• | ••• | ••• | °C | R |
highest_measured_battery_temperature Maximum battery temperature recorded over device lifetime, degrees Celsius. | ••• | ••• | ••• | °C | R |
max_occurred_battery_voltage Peak DC battery voltage recorded over device lifetime, volts. | ••• | ••• | ••• | V | R |
allowed_charge_power Maximum charge power currently permitted by battery management, watts. | ••• | ••• | ••• | W | R |
allowed_discharge_power Maximum discharge power currently permitted by battery management, watts. | ••• | ••• | ••• | W | R |
set_active_power Active power setpoint; positive to discharge, negative to charge, watts. | ••• | ••• | ••• | W | W |
set_control_mode Control mode selector; defines how power setpoints are interpreted. | ••• | ••• | ••• | | W |
set_reactive_power Reactive power setpoint for grid management services, VAr. | ••• | ••• | ••• | W | W |
grid_guard_code SMA Grid Guard unlock code; write to enable protected parameter changes. | ••• | ••• | ••• | | W |
min_soc_power_on Minimum state of charge required to power on the inverter. | ••• | ••• | ••• | % | W |
min_soc_power_off State of charge threshold at which the inverter shuts down. | ••• | ••• | ••• | % | W |
