Siemens SINAMICS S120 Function Manual page 392

Safety Integrated basic functions
9.9 Acceptance test and certificate
Table 9- 11 SI functions for each drive
Drive number
Table 9- 12 Description of safety equipment
Examples:
Wiring of STO terminals (protective door, emergency OFF), grouping of STO terminals, holding brake for vertical axis, etc.
392
SI function
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
Drive functions