Fronius: add support for single phase meters

packages/modules/devices/fronius/fronius_http_api/counter.py

@@ -70,8 +70,12 @@ def update(self, powerflow_response: Dict, meter_system_response: Optional[Dict]
             if meter.location in (MeterLocation.external, MeterLocation.subload):
                 power *= -1
 
-        currents = [powers[i] / meter.voltages[i] for i in range(0, 3)]
-
+        currents = [
+            powers[i] / meter.voltages[i]
+            if powers[i] is not None and meter.voltages[i] not in (None, 0)
+            else 0
+            for i in range(3)
+        ]
         counter_state = CounterState(
             voltages=meter.voltages,
             currents=currents,

packages/modules/devices/fronius/fronius_http_api/inverter_production_meter.py

@@ -50,7 +50,12 @@ def update(self, meter_system_response: Optional[Dict] = None) -> None:
         # Dokumentation (4.8.6/4.8.7) positive Werte für Erzeugung -- openWBs Konvention ist umgekehrt
         # (negativ = Erzeugung, siehe inverter.py), daher wird hier immer invertiert.
         power = meter.power_sum * -1
-        currents = [meter.powers[i] / meter.voltages[i] for i in range(0, 3)]
+        currents = [
+            meter.powers[i] / meter.voltages[i]
+            if meter.powers[i] is not None and meter.voltages[i] not in (None, 0)
+            else 0
+            for i in range(3)
+        ]
 
         self.peak_filter.check_values(power)
         _, exported = self.sim_counter.sim_count(power)

packages/modules/devices/fronius/fronius_http_api/meter_reader.py

@@ -36,20 +36,20 @@ def read_meter(session: Session,
         data = _fetch_device_scope(session, ip_address, meter_id, variant)
         location_key = "Meter_Location_Current"
         power_sum_key = "PowerReal_P_Sum"
-        powers = [data["PowerReal_P_Phase_"+str(num)] for num in range(1, 4)]
-        voltages = [data["Voltage_AC_Phase_"+str(num)] for num in range(1, 4)]
-        power_factors = [data["PowerFactor_Phase_"+str(num)] for num in range(1, 4)]
-        frequency = data["Frequency_Phase_Average"]
+        powers = [data.get(f"PowerReal_P_Phase_{num}", 0) for num in range(1, 4)]
+        voltages = [data.get(f"Voltage_AC_Phase_{num}", 0) for num in range(1, 4)]
+        power_factors = [data.get(f"PowerFactor_Phase_{num}", 0) for num in range(1, 4)]
+        frequency = data.get("Frequency_Phase_Average", 50)
     elif variant == 2:
         if meter_system_response is None:
             raise ValueError("meter_system_response wird für Variante 2 benötigt")
         data = dict(meter_system_response["Body"]["Data"]).get(str(meter_id))
         location_key = "SMARTMETER_VALUE_LOCATION_U16"
         power_sum_key = "SMARTMETER_POWERACTIVE_MEAN_SUM_F64"
-        powers = [data["SMARTMETER_POWERACTIVE_MEAN_0"+str(num)+"_F64"] for num in range(1, 4)]
-        voltages = [data["SMARTMETER_VOLTAGE_0"+str(num)+"_F64"] for num in range(1, 4)]
-        power_factors = [data["SMARTMETER_FACTOR_POWER_0"+str(num)+"_F64"] for num in range(1, 4)]
-        frequency = data["GRID_FREQUENCY_MEAN_F32"]
+        powers = [data.get(f"SMARTMETER_POWERACTIVE_MEAN_0{num}_F64", 0) for num in range(1, 4)]
+        voltages = [data.get(f"SMARTMETER_VOLTAGE_0{num}_F64", 0) for num in range(1, 4)]
+        power_factors = [data.get(f"SMARTMETER_FACTOR_POWER_0{num}_F64", 0) for num in range(1, 4)]
+        frequency = data.get("GRID_FREQUENCY_MEAN_F32", 50)
     else:
         raise ValueError("Unbekannte Variante: "+str(variant))