Descriptions of functions
10.34 Diagnostics
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
653
Alarm buffer, alarm history
The alarm buffer comprises the alarm code, the alarm value, and the alarm time (received,
resolved). The alarm history occupies the last indices ([8...63]) of the parameter.
Figure 10-100 Structure of alarm buffer
Alarms that occur are entered in the alarm buffer as follows:
A maximum of 64 alarms are displayed in the alarm buffer:
● Index 0 ... 6: The first 7 alarms are displayed.
● Index 7: The most recent alarm is displayed.
A maximum of 56 alarms are displayed in the alarm history:
● Index 8: The most recent alarm is displayed.
● Index 9 ... 63: The first 55 alarms are displayed.
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