User Manual

Overview of faults and alarms

Faults and alarms

3-653

SINAMICS G120 CU230P-2 Control Units List Manual (LH9), 01/2013

Acknowledging faults

The list of faults and alarms specifies how to acknowledge each fault after the

cause has been remedied.

Tabelle 3-3 Acknowledgement of faults

Acknowledg-

ment

Description

POWER ON The fault is acknowledged via a POWER ON (switch Control 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 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 INHIBIT The fault can only be acknowledged with a pulse inhibit (r0899.11 = 0).

The same possibilities are available for acknowledging as described under acknowledge

IMMEDIATELY.