SINAMICS G120 CU250S-2 Control Units
List Manual, 09/2017, A5E33842890
995
4 Faults and alarms
4.1 Overview of faults and alarms
Acknowledging faults
The list of faults and alarms specifies how to acknowledge each fault after the cause has been
eliminated.
Table 4-3
Acknowledging faults
Acknowledgment
Description
POWER ON
The fault is acknowledged via a POWER ON (switch Control Unit off and on again).
Note:
If this action has not removed the fault cause, the fault is displayed again immediately after power up.
IMMEDIATELY
Faults can be acknowledged as follows:
1 Set acknowledgment by parameter:
p3981 = 0 --> 1
2 Acknowledging via binector inputs:
p2103
p2104
p2105
BI: 1. Acknowledge faults
BI: 2. Acknowledge faults
BI: 3. Acknowledge faults
3 Acknowledging via a PROFIdrive 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 will continue to be displayed after
acknowledgment.
•
Safety Integrated faults
The "Safe Torque Off" (STO) function must be deselected before these faults are acknowledged.
PULSE SUPPRES-
SION
The fault can only be acknowledged when the pulses are inhibited (r0899.11 = 0).
The same options are available for acknowledging as described under IMMEDIATE acknowledgment.