inverter was included

shelly_pro_3m.py

@@ -5,16 +5,17 @@ import pandas as pd
 import time
 
 class ShellyPro3m:
-    def __init__(self, device_name: str, ip_address: str):
+    def __init__(self, device_name: str, ip_address: str, port: int=502):
         self.device_name = device_name
         self.ip = ip_address
+        self.port = port
         self.client = None
         self.connect_to_modbus()
         self.registers = None
         self.get_registers()
 
     def connect_to_modbus(self):
-        port = 502
+        port = self.port
         self.client = ModbusTcpClient(self.ip, port=port)
         try:
             if not self.client.connect():