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25 changes: 24 additions & 1 deletion packages/modules/devices/alpha_ess/alpha_ess/bat.py
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import logging
import time
from typing import TypedDict, Any
from typing import TypedDict, Any, Optional
from modules.common.abstract_device import AbstractBat
from modules.common.component_state import BatState
from modules.common.component_type import ComponentDescriptor
Expand Down Expand Up @@ -57,5 +57,28 @@ def update(self) -> None:
)
self.store.set(bat_state)

def set_power_limit(self, power_limit: Optional[int]) -> None:
unit = self.__modbus_id

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)
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)
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)

def power_limit_controllable(self) -> bool:
return True


component_descriptor = ComponentDescriptor(configuration_factory=AlphaEssBatSetup)