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7.12 C 121 Count for relay switching operations
Meaning
Count for relay switching operations
This is the actual counted amount of switching operations for the relay.
If the limit-value set under C120 (factory setting 1000) is reached,
error message 0001 is displayed and the relay is deenergized.
If this error is acknowledged, counting starts again from 0.
7.13 C 122 Operating hours counter
Meaning
Operating hours counter
This indicates the number of hours the instrument is in operation.
The times when the instrument was connected to the power supply are added
together.
This counter cannot be acknowledged and once it reaches 10,000 hours,
displays hours in thousands (10t).
2011-12-31
Value range
(factory setting in bold)
0 to 9999
Value range
(factory setting in bold)
0 to 99999
7 Configuration level
29
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