Alarm status for I5, I6
Using bit-by-bit coding inside the alarm register (addr.
21095, 21096), it is possible to read out different alarm
statuses:
Warning: The residual current has exceeded
the set warning limit value
Overcurrent: The measurement range has been
exceeded
Alarm: Alarm bit is set for: warning,
overcurrent or connection error to
the transformer.
The alarm bit must be reset or
acknowledged manually.
Failure
monitoring
Connection error to the transformer
Unused
Failure monitoring
Alarm
Overcurrent
Warning
Bit:
0
0
0 0 0 0 0 0 0
1 2 3 4 5 6 7
0
8
0 0 0 0 0 0 0
9 10 11 12 13 14 15
Unused
Failure monitoring
Alarm
Overcurrent
Warning
Bit:
0
0
0 1 1 0 0 0 0
1 2 3 4 5 6 7
0
8
0 0 0 0 0 0 0
9 10 11 12 13 14 15
Example:
Interruption of the connection to the residual current
transformer. The alarm bit is also set and must be
acknowledged!