SEW-Eurodrive Movigear Performance MGF**-DFC-C Series, Operating Instructions Manual

Page: 370 / 416

12
Functional safety
General information
Operating Instructions – MOVIGEAR
®
performance
370
12 Functional safety
12.1 General information
12.1.1 Underlying standards
The safety assessment of the electronics cover is based on the following standards
and safety classes:
Underlying standards
Safety class/underlying standard • Performance level (PL) according to
EN ISO 13849‑1:2015
• Safety Integrity Level (SIL) according to
EN 61800‑5‑2:2017
• Safety Integrity Level Claim Limit (SIL
CL
) ac-
cording to EN 62061:2005/A1:2013
12.2 Integrated Safety Technology
12.2.1 MOVIGEAR
®
performance
The safety technology of the drive unit described below has been developed and
tested in accordance with the following safety requirements:
• Safety Integrity Level 3 according to EN 61800-5-2:2017, EN 61508:2010.
• PL e according to EN ISO 13849-1: 2015.
This was certified by TÜV Rheinland. Copies of the TÜV certificate and the corres-
ponding report are available from SEW-EURODRIVE on request.
12.2.2 Safe condition
For safety-related operation of the drive unit, Safe Torque Off is defined as safe state
(see STO drive safety function). The safety concept is based on this definition.
25945475/EN – 04/2019