Siemens CU240B-2 - Page 335

Advanced commissioning
6.8 Safe Torque Off (STO) safety function
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
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The screen form varies depending on the inverter and the interface that has been selected.
(A)
Control type
(B)
Delay time for SS1 and enable of SBC for an inverter with CU250S-2 Control Unit
(C)
STO via the Power Module terminals for a PM240-2 FSD … FSF
(D)
Enable SBC for an inverter with CU250S-2 Control Unit
Image 6-63 Interconnecting "STO active" in Startdrive
2. Select the signal that matches your particular application.
You have interconnected the "STO active" checkback signal. After STO has been selected,
the inverter signals "STO active" to the higher-level control.
Parameter
Description
r9773.01
1 signal: STO is active in the drive