4 Faults and alarms
4.1 Overview of faults and alarms
SINAMICS G120 Control Units CU240B-2/CU240E-2
772 List Manual (LH11), 01/2016, A5E33839529
Reaction: Default fault reaction (adjustable fault reaction)
Specifies the default reaction in the event of a fault.
The optional parentheses indicate whether the default fault reactions can be changed and
which fault reactions can be adjusted via parameters (p2100, p2101).
Acknowledgment: Default acknowledgment (adjustable acknowledgment)
Specifies the default method of acknowledging faults after the cause has been eliminated.
The optional parentheses indicate whether the default acknowledgment can be changed and
which acknowledgment can be adjusted via parameters (p2126, p2127).
Cause:
Describes the possible causes of the fault or alarm. A fault or alarm value can also be specified
(optional).
Fault value (r0949, format):
The fault value is entered in the fault buffer in r0949[0...63] and specifies additional, more
precise information about a fault.
Alarm value (r2124, format):
The alarm value specifies additional, more precise information about an alarm.
The alarm value is entered in the alarm buffer in r2124[0...7] and specifies additional, more
precise information about an alarm.
Remedy:
Describes the methods available for eliminating the cause of the active fault or alarm.
Note
See Table "Fault reactions" (Page 765)
Note
See Table "Acknowledging faults" (Page 767)
WARNING
On a case for case basis, service and maintenance personnel are responsible for choosing
a suitable method for eliminating the cause of faults.
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