Siemens SINUMERIK Series Function Manual page 172

Diagnostics
7.4 TM54F
● Display of an F-DI (for the displayed drive group)
– for the STO, SS1, SS2, SOS, SLS functions
– for selecting SLS (levels SLS1 to SLS4) as well as SDI and SLP
An F-DI can be assigned several functions in several drive groups.
Static selection/deselection of functions
– The "Statically active" display indicates that this safety function is permanently selected.
– The "Statically active" display indicates that this safety function is permanently selected.
● Display of the configuration for the "Safe State" signal
A safety output signal "Safe State" can be generated for each drive group from the following
status signals:
– PWR_removed
– SS1_ active
– SS2_ active
– SOS_ active
– SLS_ active
– SDI_pos_active
– SDI_neg_active
– SLP_active
The status signals from the same functions for different drives of a drive group are logically
AND'ed. The status signals of individual functions (PWR_removed, SS1_active etc.) are
logically OR'ed.
The "Safe State" signals can be assigned to an F-DO.
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Function Manual, 10/2015, 6FC5397-3EP40-5BA3
Safety Integrated