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https://github.com/mjaschen/huawei-solar-modbus-to-mqtt

Query the Huawei Solar Inverter Sun2000 and publish current state parameters to MQTT.
https://github.com/mjaschen/huawei-solar-modbus-to-mqtt

huawei luna2000 modbus monitoring mqtt sun2000

Last synced: 24 days ago
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Query the Huawei Solar Inverter Sun2000 and publish current state parameters to MQTT.

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README 

        
# Huawei Solar Inverter Modbus 2 MQTT



## Installation



### venv



```shell

python3 -m venv .venv

source .venv/bin/activate

pip install -r requirements.txt

# Create config file

cp .env.template .env

vi .env

```



Run the script:



```shell

./run.sh

```



### Docker



```shell

cp .env.template .env.docker

vi .env.docker

docker build -t huawei-solar-modbus-to-mqtt:latest .

docker run --rm -it huawei-solar-modbus-to-mqtt:latest

```



## Result from querying primary inverter



```

{'accumulated_yield_energy': Result(value=77.92, unit='kWh'),

 'active_grid_A_B_voltage': Result(value=406.8, unit='V'),

 'active_grid_A_current': Result(value=-2.07, unit='I'),

 'active_grid_A_power': Result(value=-173, unit='W'),

 'active_grid_B_C_voltage': Result(value=407.8, unit='V'),

 'active_grid_B_current': Result(value=-0.35, unit='I'),

 'active_grid_B_power': Result(value=-47, unit='W'),

 'active_grid_C_A_voltage': Result(value=407.2, unit='V'),

 'active_grid_C_current': Result(value=-0.64, unit='I'),

 'active_grid_C_power': Result(value=-92, unit='W'),

 'active_grid_frequency': Result(value=50.0, unit='Hz'),

 'active_grid_power_factor': Result(value=-0.432, unit=None),

 'active_power': Result(value=-17, unit='W'),

 'alarm_1': Result(value=[], unit=None),

 'alarm_2': Result(value=[], unit=None),

 'alarm_3': Result(value=[], unit=None),

 'daily_yield_energy': Result(value=0.0, unit='kWh'),

 'day_active_power_peak': Result(value=12, unit='W'),

 'device_status': Result(value='On-grid', unit=None),

 'efficiency': Result(value=100.0, unit='%'),

 'fault_code': Result(value=0, unit=None),

 'grid_A_voltage': Result(value=234.6, unit='V'),

 'grid_B_voltage': Result(value=235.3, unit='V'),

 'grid_C_voltage': Result(value=235.8, unit='V'),

 'grid_accumulated_energy': Result(value=182.78, unit='kWh'),

 'grid_accumulated_reactive_power': Result(value=0.0, unit='kVarh'),

 'grid_exported_energy': Result(value=4.05, unit='kWh'),

 'grid_frequency': Result(value=50.01, unit='Hz'),

 'input_power': Result(value=-17, unit='W'),

 'insulation_resistance': Result(value=30.0, unit='MOhm'),

 'internal_temperature': Result(value=33.4, unit='°C'),

 'line_voltage_A_B': Result(value=235.4, unit='V'),

 'line_voltage_B_C': Result(value=0.0, unit='V'),

 'line_voltage_C_A': Result(value=0.0, unit='V'),

 'meter_status': Result(value=, unit=None),

 'meter_type': Result(value=, unit=None),

 'phase_A_current': Result(value=0.287, unit='A'),

 'phase_A_voltage': Result(value=116.2, unit='V'),

 'phase_B_current': Result(value=0.0, unit='A'),

 'phase_B_voltage': Result(value=0.1, unit='V'),

 'phase_C_current': Result(value=0.0, unit='A'),

 'phase_C_voltage': Result(value=0.0, unit='V'),

 'power_factor': Result(value=0.997, unit=None),

 'power_meter_active_power': Result(value=-313, unit='W'),

 'power_meter_reactive_power': Result(value=598, unit='Var'),

 'pv_01_current': Result(value=0.0, unit='A'),

 'pv_01_voltage': Result(value=157.6, unit='V'),

 'pv_02_current': Result(value=0.0, unit='A'),

 'pv_02_voltage': Result(value=130.6, unit='V'),

 'reactive_power': Result(value=1, unit='VA'),

 'shutdown_time': Result(value=None, unit=None),

 'startup_time': Result(value=datetime.datetime(2023, 11, 18, 7, 51, 5, tzinfo=datetime.timezone.utc), unit=None),

 'state_1': Result(value=['Grid-Connected',

Grid-Connected normally'], unit=None),

 'state_2': Result(value=['Unlocked',

PV connected',

DSP data collection'], unit=None),

 'state_3': Result(value=['On-grid',

Off-grid switch disabled'], unit=None),

 'storage_bus_current': Result(value=0.0, unit='A'),

 'storage_bus_voltage': Result(value=434.8, unit='V'),

 'storage_charge_discharge_power': Result(value=0, unit='W'),

 'storage_current_day_charge_capacity': Result(value=0.21, unit='kWh'),

 'storage_current_day_discharge_capacity': Result(value=0.0, unit='kWh'),

 'storage_running_status': Result(value=, unit=None),

 'storage_state_of_capacity': Result(value=7.0, unit='%'),

 'storage_total_charge': Result(value=62.38, unit='kWh'),

 'storage_total_discharge': Result(value=62.66, unit='kWh')}

```



## Result from Querying Configuration Registers



```

{'storage_maximum_charging_power': Result(value=2500, unit='W'),

storage_maximum_discharging_power': Result(value=2500, unit='W'),

storage_charging_cutoff_capacity': Result(value=100.0, unit='%'),

storage_discharging_cutoff_capacity': Result(value=7.0, unit='%'),

storage_working_mode_settings': Result(value=, unit=None),

storage_charge_from_grid_function': Result(value=True, unit=None),

storage_grid_charge_cutoff_state_of_charge': Result(value=50.0, unit='%'),

storage_fixed_charging_and_discharging_periods': Result(value=[], unit=None),

storage_power_of_charge_from_grid': Result(value=3000, unit='W'),

storage_maximum_power_of_charge_from_grid': Result(value=3000, unit='W'),

storage_time_of_use_charging_and_discharging_periods': Result(value=[HUAWEI_LUNA2000_TimeOfUsePeriod(start_time=0, end_time=360, charge_flag=, days_effective=(True, True, True, True, True, True, True)), HUAWEI_LUNA2000_TimeOfUsePeriod(start_time=480, end_time=1320, charge_flag=, days_effective=(True, True, True, True, True, True, True))], unit=None),

storage_excess_pv_energy_use_in_tou': Result(value=, unit=None),

storage_backup_power_state_of_charge': Result(value=0.0, unit='%'),

storage_capacity_control_mode': Result(value=, unit=None),

storage_capacity_control_soc_peak_shaving': Result(value=50.0, unit='%'),

storage_capacity_control_periods': Result(value=[], unit=None)}

```