Siemens SINAMICS Series Operating Instructions Manual page 159

Module – Allocation Board
Figure 6-45 Terminal/connector assignment on the "Allocation Board"
Note
Jumper STO to P24 for Functional Safety
The jumper STO to P24 must be removed for use of the safety function and the wiring
performed according to one of the applications in Chapter "Functional safety (Page 709)"
with a safety relay.
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
6.8 Arrangement of terminals and connectors
Connecting
157