System Features; Monitoring - Siemens SINUMERIK 840D sl Function Manual

System Features

3.1 Fault analysis
3.1.1

Monitoring

The SINUMERIK 840D sl control with SINAMICS S120 is equipped with various
standard monitoring functions. These functions detect system faults/errors and ini-
tiate specific responses (also refer to the appropriate literature). These standard
monitoring functions do not comply with EN 954–1 or IEC 61508.
The safety functions of SINUMERIK Safety Integrated with their crosswise data
comparison and the forced checking procedure detects system faults and bring the
machine into a safe condition (see Chapter 6, "System/drive-integrated safety
functions" and Chapter 4, "Safety functions integrated in the drive").
3.1.2 Fault analysis
Based on the appropriate Directives and Standards, a detailed fault analysis is car-
ried-out using SINUMERIK Safety Integrated. The brief edition in tabular form,
listed in Attachment A, shows the various disturbances and system faults con-
trolled by SINUMERIK Safety Integrated) with an extremely low residual risk;
whereby the basis was disturbances that are already known.
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
3
3-39