Safe Torque Off (Sto) Safety Function; Function Description - Siemens Sinamics G110M Operating Instructions Manual

6. Save your settings.
7. Go online.
The inverter signals that offline, other units and process variables are set than in the
inverter itself.
8. Accept these settings in the inverter.
You have selected the motor standard and system of units using STARTER.
6.13

Safe Torque Off (STO) safety function

The operating instructions describe how to commission the STO safety function as basic
function for control via a fail-safe digital input.
A description of all the safety functions is provided in the "Safety Integrated" Function
Manual:
● The basic functions and the extended functions
● Controlling safety functions via PROFIsafe
6.13.1

Function description

What does the STO safety function do?
An inverter with active STO function prevents energy supply to the motor. The motor can no
longer generate torque at the motor shaft.
Consequently, the STO function prevents the starting of an electrically-driven machine
component.
Distributed converter for SIMOGEAR geared motors
Operating Instructions, 09/2017, FW V4.7.9, A5E31298649B AH
Manuals and technical support (Page 372)
Advanced commissioning
6.13 Safe Torque Off (STO) safety function
193