The ammeter has the following build-in qualitative safety functions:
The transmitted data packages 'Data uP-A' and 'Data uP-B' is both sending a valid identical measured current value equal to or at least higher than the physical value running through the ammeter.
At least one 'valid' field in data packages 'Data uP-A' or 'Data uP-B' will report an error.
The error disclosing time will be between 1 to 5 seconds.
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