Siemens SINAMICS S120 Function Manual page 114

Control of the safety functions
6.3 Control via TM54F
Figure 6-3
The same signals (high-active) of each drive or drive group are logically linked by means of
AND operation. The different signals selected through p10039 are logically linked by means
of OR operation. Result of these logic operations is the "Safe State" for each drive group.
Each F-DO supports the interconnection of up to 6 signals by way of indexing (p10042[0...5]
to p10045[0...5]) and their output as logical AND operation.
F-DO features
● Each F-DO with fail-safe configuration consisting of two digital outputs plus one digital
● Status parameters r10052/r10053
Function diagrams (see SINAMICS S120/S150 List Manual)
● 2853 TM54F (F-DO 0 ... F-DO 3, DI 20 ... DI 23)
● 2856 TM54F Safe State selection
● 2857 TM54F assignment (F-DO 0 ... F-DO 3)
Overview of important parameters (see the SINAMICS S120/S150 List Manual)
● p10042[0..5] SI F-DO 0 signal sources
● p10045[0..5] SI F-DO 3 signal sources
● r10052.0...3 CO/BO: SI status of digital outputs
● r10053.0...3 CO/BO: SI digital inputs 20 ... 23
114
Safe state selection
input for checking the switching state for forced dormant error detection
Function Manual, (FHS), 11/2009, 6SL3097-4AR00-0BP0
Safety Integrated