Faults and Alarms – Overview
Faults and Alarms
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© Siemens AG 2011 All Rights Reserved
SINAMICS G120 Control Units CU230P-2 Parameter Manual (LH9), 01/2011
3.1.3 Acknowledgement of faults
The list of faults and alarms specifies how to acknowledge each fault after the cause has been
remedied. The optional brackets indicate whether the default acknowledgement can be
changed and which acknowledgement can be adjusted via parameter (p2126, p2127).
Table 3-3 Acknowledgement of faults
Acknowledgement Description
POWER ON The fault is acknowledged by a POWER ON process (switch drive unit off and on again).
Note:
If this action has not eliminated the fault cause, the fault is displayed again immediately after power
up.
IMMEDIATELY Faults can be acknowledged as follows:
1 Acknowledge by setting parameter:
p3981 = 0 --> 1
2 Acknowledge via binector inputs:
p2103
p2104
p2105
BI: 1. Acknowledge faults
BI: 2. Acknowledge faults
BI: 3. Acknowledge faults
3 Acknowledge using PROFIBUS control signal:
STW1.7 = 0 --> 1 (edge)
Note:
• These faults can also be acknowledged by a POWER ON operation.
• If this action has not eliminated the fault cause, the fault is displayed again immediately after power
up.
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