Building a home energy monitoring dashboard for your clevrHome

solarman.py

import time
from datetime import datetime

from deye_controller import HoldingRegisters
from pysolarmanv5 import PySolarmanV5

# Parameters to read from the inverter
# [register, name, unit, multiplier]
parameters = [
	[172, "grid_ct_power_W", "W", 1],
    [169, "grid_power_W", "W", 1],
    [79, "grid_frequency_Hz", "Hz", 0.01],
    [194, "grid_status", "", 1], # 0: off-grid, 1: on-grid
    [90, "dc_temperture_C", "°C", 0.1],
    [91, "ac_temperture_C", "°C", 0.1],
    [178, "load_power_W", "W", 1],
    [175, "inverter_power_W", "W", 1],
    [190, "battery_power_W", "W", 1],
    [184, "battery_soc_perc", "%", 1],
    [189, "battery_status", "", 1], # 0: charge, 1: standby, 2: discharge
    [182, "battery_temperture_C", "°C", 0.1],
    [186, "PV1_power_W", "W", 1],
    [187, "PV2_power_W", "W", 1],
    [150, "grid_voltage_V", "V", 0.1],
    [76, "energy_day_grid_kWh", "kWh", 0.1],
    [84, "energy_day_load_kWh", "kWh", 0.1],
    [108, "energy_day_solar_kWh", "kWh", 0.1],
    [70, "energy_day_battergy_charge_kWh", "kWh", 0.1],
    [71, "energy_day_battergy_discharge_kWh", "kWh", 0.1],
]

register = HoldingRegisters.InverterTotalPowerOut

# Connect to the inverter and read the parameters
# The inverter IP address and serial number can be found in the inverter's settings
while True:
    try:
        inv = PySolarmanV5("192.168.2.20", 2763459xxx)

        timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")

        for parameter in parameters:
            res = inv.read_holding_registers(parameter[0], register.len)
            register.value = res[0] if register.len == 1 else res
            print(f"{parameter[1]}: {register.format()*parameter[3]} {parameter[2]}")

            # Write the data to the database
            WriteSQLToDB(timestamp, parameter[1], register.format()*parameter[3])

        inv.disconnect()
    except:
        print("ERROR - Could not connect to inverter.")

    time.sleep(10)