Siemens CU240B-2 - Interconnecting the STO Active Signal

Advanced commissioning
6.8 Safe Torque Off (STO) safety function
Converter with the CU240B-2 and CU240E-2 Control Units
334 Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
6.8.3.5
Interconnecting the "STO active" signal
If you require the feedback signal "STO active" of the inverter in your higher-level control
system, then you must appropriately interconnect the signal.
Precondition
You are online with STARTER or Startdrive.
Procedure with STARTER and Startdrive
To interconnect the "STO active" checkback signal, proceed as follows:
1. Select the button for the feedback signal.
The screen form varies depending on the inverter and the interface that has been selected.
(A) Input terminal or connector for SINAMICS inverters, F0 rail for
SIMATIC ET 200pro FC-2.
(B)
PROFIsafe interface
(C), (D)
Delay time for SS1 and enable SBC for an inverter with CU250S-2 Control Unit
(E)
STO via the Power Module terminals for a PM240-2 FSD … FSF
Image 6-62 Interconnecting "STO active" in STARTER