Siemens SINAMICS S120 Function Manual page 594

Safety Integrated basic functions
10.4 Safe Torque Off (STO)
Response time for the "Safe Torque Off" function
For the response times when the function is selected/deselected via input terminals, see the
table in Section "Response times (Page 603)".
Internal armature short-circuit with the "Safe Torque Off" function
The function "internal armature short-circuit" can be configured together with the "STO"
function.
The "STO" safety function has the higher priority when simultaneously selected. If the "STO"
function is initiated, then an activated "internal armature short-circuit" is disabled.
Overview of important parameters (see SINAMICS S120/S150 List Manual)
• p0799
• p9601
• r9772
• r9773
• r9774
• r9780
• p9801
• r9872.0...24
• r9880
594
CU inputs/outputs, sampling time
SI enable functions integrated in the drive (Control Unit)
CO/BO: SI Status (Control Unit)
CO/BO: SI Status (Control Unit + Motor Module)
CO/BO: SI Status (group STO)
SI monitoring cycle (Control Unit)
SI enable functions integrated in the drive (Motor Module)
CO/BO: SI Status (Motor Module)
SI monitoring cycle (Motor Module)
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Drive functions