Supported Functions - Siemens Sinamics S120 Function Manual

9.2.2

Supported functions

The safety functions of the SINAMICS S drive system meet the following requirements:
● Category 3 to DIN EN ISO 13849-1
● Performance level (PL) d according to DIN EN ISO 13849-1
● Safety integrity level 2 (SIL 2) to IEC 61508
● EN 61800-5-2
In addition, most of the safety functions of the SINAMICS S have been certified by
independent institutes. A list of currently certified components is available on request from
your local Siemens office.
The following Safety Integrated functions (SI functions) are available:
● Safety Integrated Basic Functions
Hardware
Power/Motor Modules booksize format
Power/Motor Modules chassis format
Power Modules blocksize format
Drive functions
Function Manual, (FH1), 01/2012, 6SL3097-4AB00-0BP2
The following functions are part of the standard scope of the drive and can be used
without any additional license:
– Safe Torque Off (STO)
STO is a safety function that prevents the drive from restarting unexpectedly, in
accordance with EN 60204-1:2006 Section 5.4.
– Safe Stop 1 (SS1, time controlled)
Safe Stop 1 is based on the "Safe Torque Off" function. This means that a Category 1
stop in accordance with EN 60204-1:2006 can be implemented.
– Safe Brake Control (SBC)
The SBC function permits the safe control of a holding brake. Special requirements:
Safety Integrated basic functions
Constraint
–
Order number xxx3 or higher
A Safe Brake Relay is also required
9.2 General information
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