initial commit

main.py

@@ -0,0 +1,49 @@
+from pymodbus.client import ModbusTcpClient
+import struct
+import time
+
+# Verbindung zur Wärmepumpe
+ip = '10.0.0.10'
+port = 502
+unit_id = 1
+
+# Liste von interessanten Holding-Register-Adressen
+registers = {
+    10: {'desc': 'Modus (0=OFF, 1=AUTO, 2=Sommer, ...)', 'type': 'UINT'},
+    51: {'desc': 'Solltemperatur WP in °C', 'type': 'REAL'},
+    71: {'desc': 'Solltemperatur HK1 in °C', 'type': 'REAL'},
+    91: {'desc': 'Solltemperatur HK2 in °C', 'type': 'REAL'}
+}
+
+client = ModbusTcpClient(ip, port=port)
+
+try:
+    if not client.connect():
+        print("Verbindung zur Wärmepumpe fehlgeschlagen.")
+        exit(1)
+    print("Verbindung zur Wärmepumpe erfolgreich.")
+
+    while True:
+        print(f"\n--- Neue Abfrage --- {time.strftime('%Y-%m-%d %H:%M:%S')} ---")
+        for address, info in registers.items():
+            reg_type = info['type']
+            result = client.read_holding_registers(address, count=2 if reg_type == 'REAL' else 1)#, unit=unit_id)
+
+            if result.isError():
+                print(f"Fehler beim Lesen von Adresse {address}: {result}")
+                continue
+
+            if reg_type == 'REAL':
+                decoder = struct.pack('>HH', result.registers[0], result.registers[1])
+                value = struct.unpack('>f', decoder)[0]
+            else:
+                value = result.registers[0]
+
+            print(f"Adresse {address} - {info['desc']}: {value}")
+
+        time.sleep(10)
+
+except KeyboardInterrupt:
+    print("Beendet durch Benutzer (Ctrl+C).")
+finally:
+    client.close()