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IDM: fix self controlled #4124

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Merged
LKuemmel merged 3 commits into from
Oct 19, 2026
Merged

IDM: fix self controlled #4124

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f85b819
IDM: fix self controlled
LKuemmel Oct 16, 2026
dd52e8e
use evu power for surplus
LKuemmel Oct 16, 2026
a1975a2
IDM home consumption
LKuemmel Oct 19, 2026
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9 changes: 6 additions & 3 deletions packages/modules/consumers/idm/idm/consumer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ def send_values(values: CurrentValues) -> None:
pv_power = max(-values.pv_power, 0)
# Ladeleistung mit einrechnen, da diese sonst fälschlich als freier Überschuss an die
# WP gemeldet würde, obwohl sie bereits von einer Fahrzeugladung verbraucht wird
surplus = max(pv_power - values.home_consumption - values.cp_power, 0)
surplus = max(-values.evu_power, 0)
battery_soc = int(values.bat_soc) if values.bat_soc is not None else -1

# Reg 74: Aktueller PV-Überschuss [kW]
Expand All @@ -47,8 +47,11 @@ def send_values(values: CurrentValues) -> None:
# Reg 78: Aktuelle PV-Produktion [kW]
client.write_register(78, pv_power / 1000, data_type=ModbusDataType.FLOAT_32,
wordorder=Endian.Little, unit=modbus_id)
# Reg 82: Hausverbrauch [kW], Default 0
client.write_register(82, values.home_consumption / 1000, data_type=ModbusDataType.FLOAT_32,

# Reg 82: Hausverbrauch [kW], Default 0 - aus PV/Netz/Speicher berechnet, damit jeder Verbraucher
# (auch die WP selbst) automatisch enthalten ist, unabhängig von der internen Hausverbrauchs-Berechnung
idm_home_consumption = max(pv_power + values.evu_power - values.bat_power, 0)
client.write_register(82, idm_home_consumption / 1000, data_type=ModbusDataType.FLOAT_32,
wordorder=Endian.Little, unit=modbus_id)
# Reg 84: Batterieentladung [kW], Default 0 (negativ = Ladung). values.bat_power kommt roh aus
# process.py (negativ = Entladung, positiv = Ladung, gleiche Konvention wie z.B. bei Sungrow) ->
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