Action: EMERGENCY OFF EMERGENCY STOP
Stop Category0 according to
EN60204‑1
Classic solution: Switch o the power supply: Switch-o the drive power supply:
Solution with the STO
safety function inte‐
grated in the drive:
STO is not suitable for switching o a
voltage.
Select STO:
It is permissible that you also switch o
the converter supply voltage. Howev‐
er, switching o the voltage is not re‐
quired as a risk reduction measure.
8.16.4 Commissioning STO
8.16.4.1 Commissioning tools
Overview
We recommend that you commission the safety functions using the Startdrive PC tool.
Tools to commission the converter (Page120)
8.16.4.2 Password
Overview
The password protects the settings of the safety functions from being changed by unauthorized
persons.
Advanced commissioning
8.16Safe Torque O (STO) safety function
SINAMICS G120C Converters
258 Operating Instructions, 02/2023, FW V4.7 SP14, A5E34263257B AK
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