General Information About Sinamics Safety Integrated; System Features; Sto Functional Safety Data; Certification - Siemens SIMOTICS S-1FL6 Operating Instructions Manual

Safety integrated function

9.2 General information about SINAMICS Safety Integrated

Safety-related issues (e.g. operating modes, operator actions with access to hazardous
areas, EMERGENCY STOP concepts, etc.) should be clarified with customers early on so
that they can be integrated in the risk assessment/risk reduction process.
9.2 General information about SINAMICS Safety Integrated
Safety Integrated function - STO
The Safe Torque Off (STO) is a safety function that prevents the drive from restarting
unexpectedly, in accordance with EN 60204-1:2006 Section 5.4.
The STO function is in conformance with the IEC 61508, SIL2 standard, in the operating
mode with a high demand, Category 3 and Performance Level d (PL d) acc. to ISO 13849-
1:2006, as well as IEC 61800-5-2.
Controlling the STO Function
The STO function can be controlled via terminals. For the details about STO wiring, refer to
the chapter "24 V power supply/STO (Page 88)".
9.3

System features

9.3.1

STO functional safety data

The STO functional safety data of SINAMICS V90 PN is as follows:
Applied standards
Type
Safety Integrity Level (SIL)
Hardware Fault Tolerance (HFT)
9.3.2

Certification

The safety function of the SINAMICS V90 PN drive system meets the following requirements:
● Category 3 according to ISO 13849-1:2006
● Performance Level (PL) d to ISO 13849-1:2006
● Safety integrity level 2 (SIL 2) to IEC 61508
In addition, the safety function of SINAMICS V90 PN has been certified by independent
institutes. An up-to-date list of certified components is available on request from your local
Siemens office.
190
IEC 61508, IEC 62061, ISO 13849-1
A
2
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SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 09/2016, A5E37208830-002