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4 Faults and alarms
4.1 Overview of faults and alarms
SINAMICS DCP
382
List Manual (LH21), 05/2016
4.1 Overview of faults and alarms
4.1.1 General information on faults and alarms
Indicating faults and alarms
If a fault occurs, the drive indicates the corresponding fault(s) and/or alarm(s).
The following methods are available for displaying faults and alarms:
•
Display via the fault and alarm buffer for PROFIBUS.
•
Display via the commissioning software in online operation.
Differences between faults and alarms
The differences between faults and alarms are as follows:
Table 4-1 Differences between faults and alarms
Type Description
Faults What happens when a fault occurs?
•
The appropriate fault reaction is triggered.
•
Status signal ZSW1.3 is set.
•
The fault is entered in the fault buffer.
How are faults eliminated?
•
Remove the original cause of the fault.
•
Acknowledge the fault.
Alarms What happens when an alarm occurs?
• Status signal ZSW1.7 is set.
• The alarm is entered in the alarm buffer.
How are alarms eliminated?
• Alarms acknowledge themselves. If the cause of the alarm is no longer
present, they automatically reset themselves.