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AlphaESS Bat-Control Fix #3115

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Merged
LKuemmel merged 1 commit into from
Jan 29, 2026
Merged

AlphaESS Bat-Control Fix #3115

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21 changes: 14 additions & 7 deletions packages/modules/devices/alpha_ess/alpha_ess/bat.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ def initialize(self) -> None:
self.sim_counter = SimCounter(self.kwargs['device_id'], self.component_config.id, prefix="speicher")
self.store = get_bat_value_store(self.component_config.id)
self.fault_state = FaultState(ComponentInfo.from_component_config(self.component_config))
self.last_mode = 'Undefined'

def update(self) -> None:
# keine Unterschiede zwischen den Versionen
Expand Down Expand Up @@ -63,19 +64,25 @@ def set_power_limit(self, power_limit: Optional[int]) -> None:
if power_limit is None:
# Kein Powerlimit gefordert, externe Steuerung deaktivieren
log.debug("Keine Batteriesteuerung gefordert, deaktiviere externe Steuerung.")
self.__tcp_client.write_registers(2127, [0], data_type=ModbusDataType.UINT_16, unit=unit)
if self.last_mode is not None:
self.__tcp_client.write_registers(2127, [0], data_type=ModbusDataType.UINT_16, unit=unit)
self.last_mode = None
elif power_limit <= 0:
# AlphaESS kann die Entladung nur über den SoC verhindern (komplette Entladesperre)
# Netzladung mit geringen Ziel SoC verhindert auch Entladung (Default 10%)
# Zeiten für Netzladung müssen im Wechselrichter aktiviert werden
log.debug("Aktive Batteriesteuerung vorhanden. Setze externe Steuerung.")
self.__tcp_client.write_registers(2127, [1], data_type=ModbusDataType.UINT_16, unit=unit)
self.__tcp_client.write_registers(2133, [10], data_type=ModbusDataType.UINT_16, unit=unit)
log.debug("Aktive Batteriesteuerung angestoßen. Setze Entladesperre.")
if self.last_mode != 'stop':
self.__tcp_client.write_registers(2127, [1], data_type=ModbusDataType.UINT_16, unit=unit)
self.__tcp_client.write_registers(2133, [10], data_type=ModbusDataType.UINT_16, unit=unit)
self.last_mode = 'stop'
else:
# Aktive Ladung
log.debug("Aktive Batteriesteuerung vorhanden. Setze externe Steuerung.")
self.__tcp_client.write_registers(2127, [1], data_type=ModbusDataType.UINT_16, unit=unit)
self.__tcp_client.write_registers(2133, [100], data_type=ModbusDataType.UINT_16, unit=unit)
log.debug("Aktive Batteriesteuerung angestoßen. Setze aktive Ladung.")
if self.last_mode != 'charge':
self.__tcp_client.write_registers(2127, [1], data_type=ModbusDataType.UINT_16, unit=unit)
self.__tcp_client.write_registers(2133, [100], data_type=ModbusDataType.UINT_16, unit=unit)
self.last_mode = 'charge'

def power_limit_controllable(self) -> bool:
return True
Expand Down