Basic Functions; Sto/Ss1/Sbc (Basic Functions) - Siemens SINAMICS S120 Commissioning Manual

Commissioning
4.10 Safety Integrated commissioning
4.10.3

Basic functions

4.10.3.1

STO/SS1/SBC (Basic Functions)

The "Safe Torque Off" (STO) function prevents energy from being supplied to the motor
which can generate a torque.
The "Safe Stop 1" (SS1) function brakes the motor and triggers the STO function after a
delay time.
The "Safe Brake Control" (SBC) function supplies a safe output signal to control a holding
brake.
Configuring safety functions
The Safety Integrated Basic functions are only partly configured in the "STO/SS1/SBC"
screen form. Most of the configuration is performed in other screen forms. A procedure is
described in the following if you want to configure all three Safety Integrated Basic
Functions.
1. Call the "STO/SS1/SBC" safety functions.
A screen form with the same name opens
Figure 4-93
228
Safety Integrated Basic Functions STO, SS1 and SBC
Commissioning with Startdrive
Commissioning Manual, 11/2017, 6SL3097-4AA10-0BP1