Basic functions via onboard
terminals
● Select STO via the fail-safe digital input.
Additionally, with CU250S-2:
● Select SS1 via the fail-safe digital input.
● Control the motor holding brake via SBC.
Extended functions via on‐
board terminals
● Select safety functions via the fail-safe digital input.
● Only one monitoring limit of SLS can be used (SLS level 0).
In addition, for inverters with safety-related output:
● Evaluating the status of the safety functions via the fail-safe digital
output.
Basic functions via PROFI‐
safe
● Select STO via PROFIsafe.
Additionally, with CU250S-2:
● Select SS1 via PROFIsafe.
● Control the motor holding brake via SBC.
Extended functions via PRO‐
FIsafe
● Select safety functions via PROFIsafe.
● All four monitoring limits of SLS can be used (SLS levels 0 … 3)
● Evaluating the status of the fail-safe digital inputs via PROFIsafe
Basic functions via PROFI‐
safe and onboard terminals
● Select STO via fail-safe digital input as well as also via PROFIsafe.
Additionally, with CU250S-2:
● Select SS1 via the fail-safe digital input or PROFIsafe.
● Control the motor holding brake via SBC.
Extended functions via PRO‐
FIsafe and basic functions
via onboard terminals
● Select safety functions via PROFIsafe.
● Additionally select STO via the fail-safe digital input.
● All four monitoring limits of SLS can be used (SLS levels 0 … 3)
● Evaluating the status of the fail-safe digital inputs via PROFIsafe
Additionally, with CU250S-2:
● Select basic function SS1 via the fail-safe digital input.
● Control the motor holding brake via SBC.
Commissioning
5.8 Configuring the safety functions
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD 113
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