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the device didn't send any payload yet.
this is not the proper modbus table to read for the device type.
the registry isn't available for this model. For instance NKE 50-70-139 only has 2 temperature probes, therefor temperature 3 will always remains 0x7FFF
the registry isn't activated for this model. For instance NKE 50-70-016 has 10 contact state. However some could be deactivated on sensor configuration (if so the modbus table will always remains 0xFFFF).
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Modbus registers details
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