solar.py

import socket

# Communication
ip = "192.168.50.2"
port= 12345
#inverters = ("01", "02", "03")
inverters = ("01")

# Parameter Set (Code, Measurement, Unit, Factor)

parameter = [
    ("KDY", "Energy Day", "Wh", 100),
    ("KMT", "Energy Month", "kWh", 1),
    ("KYR", "Energy Year", "kWh", 1),
    ("KT0", "Energy Total", "kWh", 1),
    ("UDC", "DC Voltage", "mV", 100),
    ("IDC", "DC Current", "mA", 10),
    ("UAC", "AC Voltage", "mV", 100),
    ("IAC", "AC Current", "mA", 10),
    ("PAC", "AC Power", "mW", 500)
    ]



def solar(host, port, inverters, parameter):
    for inverter in inverters:
        parameters = ';'.join([x[0] for x in parameter])        # generate parameter list (looks like KDY;KMT;KYR)
        length = f"{19 + len(parameters):X}"                    # length in HEX
        request = f"FB;{inverter};{length}|64:{parameters}|"    # build request string
        checksum = sum([ord(x) for x in request])               # sum of all unicode codes in request
        checksum = f"{checksum:0>4X}"                           # convert to 4 digit, 0-padded HEX
        request += checksum                                     # append checksum
        print(request)
        # clientSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        # clientSocket.connect((host, port))
        # clientSocket.send(request.encode())
        # response = clientSocket.recv(port).decode()
        # response = response.split(':')[1].split('|')[0].split(';')
        # response = [{pair.split('=')[0] : pair.split('=')[1]} for pair in response]
        # return response

solar(ip, port, inverters, parameter)