Siemens SINUMERIK 840D sl Function Manual page 470

Diagnostics
10.3 Safety messages for SINAMICS S120
F30625
Response:
Acknowledgement
Explanation
Remedy
10-470
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
SI MM: Sign-of-life error in safety data
OFF2
IMMEDIATELY (POWER ON)
The "Safety Integrated" function integrated in the drive on the Motor
Module (MM) has detected an error in the sign-of-life of the safety data
between the Control Unit (CU) and MM and initiated a STOP A.
– There is either a DRIVE-CLIQ communications error or
communications have failed.
– A time slice overflow of the safety software has occurred.
Fault value (r0949, decimal):
Only for internal Siemens troubleshooting.
Select safe standstill and then deselect again.
– Carry-out a POWER ON (power off/on) for all components.
– Check whether there is a DRIVE-CLiQ communications error
between the Control Unit and the Motor Module involved and if
required, carry-out a diagnostics routine for the faults identified.
– Reduce the number of drives.
– Check the electrical cabinet design and cable routing for EMC
compliance.
© Siemens AG, 2006. All rights reserved
03.06