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SMA NaN check for values at night #3675

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17 changes: 10 additions & 7 deletions packages/modules/devices/sma/sma_sunny_boy/inverter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,10 @@ class KwargsDict(TypedDict):


class SmaSunnyBoyInverter(AbstractInverter):

SMA_INT32_NAN = -0x80000000 # SMA uses this value to represent NaN
SMA_UINT32_NAN = 0xFFFFFFFF # SMA uses this value to represent NaN
SMA_NAN = -0xC000
SMA_INT16_NAN = -0x8000
SMA_INT32_NAN = -0x80000000
SMA_UINT32_NAN = 0xFFFFFFFF
SMA_UINT64_NAN = 0xFFFFFFFFFFFFFFFF

def __init__(self,
component_config: SmaSunnyBoyInverterSetup,
Expand Down Expand Up @@ -75,11 +75,14 @@ def update(self) -> None:
currents = [(power_total / 3 / 230)] * 3
else:
raise ValueError("Unbekannte Version "+str(self.component_config.configuration.version))
if power_total == self.SMA_INT32_NAN or power_total == self.SMA_NAN:

# WR geht nachts in Standby und gibt einen NaN-Wert für die Leistung aus.
if power_total in (self.SMA_INT16_NAN, self.SMA_INT32_NAN,
-self.SMA_INT16_NAN * 10, -self.SMA_INT32_NAN):
power_total = 0
# WR geht nachts in Standby und gibt einen NaN-Wert für die Leistung aus.
dc_power = 0
currents = [0, 0, 0]
Comment on lines +79 to 84
if energy == self.SMA_UINT32_NAN:
if energy in (self.SMA_UINT32_NAN, self.SMA_UINT32_NAN * 100, self.SMA_UINT64_NAN):
raise ValueError(
f'Wechselrichter lieferte nicht plausiblen Zählerstand: {energy}. '
'Sobald PV Ertrag vorhanden ist sollte sich dieser Wert ändern, '
Expand Down