Siemens SINUMERIK 840D sl Function Manual page 544

Diagnostics
10.3 Safety messages for SINAMICS S120
N01620 (F, A)
Response
Acknowledgement
Explanation
Remedy
Response as for F
Acknowledgement for F IMMEDIATELY (POWER ON)
Response for A
Acknowledgement for A NONE
N01621 (F, A)
Response
Acknowledgement
Explanation
Remedy
F01625
Response
Acknowledgement
Explanation
10-544
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
SI CU: Safe standstill active
NONE
NONE
The "safe standstill" function has been selected on the Control Unit
(CU) and is active.
Note:
This message does not result in a safety stop response.
None necessary.
OFF2
NONE
SI CU: Safe Stop 1 active
NONE
NONE
The "Safe Stop 1" (SS1) function has been selected on the Control Unit
(CU) and is active.
Note:
This message does not result in a safety stop response.
None necessary.
SI CU: Sign–of–life error in safety data
OFF2
IMMEDIATELY (POWER ON)
The "Safety Integrated" function integrated in the drive on the Control
Unit (CU) has detected an error in the sign–of–life of the safety data
between the CU and Motor Module (MM) and initiated a STOP A.
– There is either a DRIVE–CLiQ communications error or communica-
tions have failed.
– A time slice overflow of the safety software has occurred.
Fault value (r0949, decimal):
Only for internal Siemens troubleshooting.
© Siemens AG 2008 All Rights Reserved
05.08