Siemens SINUMERIK MC Commissioning Manual page 108

Safety functions integrated in the drive
4.4 STO (Basic/Extended)
Status for "Safe Torque Off"
You can check the status in the SI diagnostics screens via "MENU SELECT > Diagnostics >
Menu forward key > Safety".
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.
Function diagrams (see SINAMICS S120/S150 List Manual)
● 2810
● 2811
Overview of important parameters (see SINAMICS S120/S150 List Manual)
● p9601
● r9720
● r9722
● r9772
● r9773
● r9774
108
SI Basic Functions - STO (Safe Torque Off), SS1 (Safe Stop 1)
SI Basic Functions - STO (Safe Torque Off), safe pulse cancellation
SI enable functions integrated in the drive (Control Unit)
CO/BO: SI Motion drive-integrated control signals
CO/BO: SI Motion drive-integrated status signals
CO/BO: SI Status (Control Unit)
CO/BO: SI Status (Control Unit + Motor Module)
CO/BO: SI Status (group STO)
Safety Integrated (with SINAMICS S120)
Commissioning Manual, 02/2020, A5E46305916B AB