Safety sub-function STO
The STO safety sub-function is always available in the device.
The described safety technology of the device (safety sub-function STO) has been developed and tested according to the following safety requirements:
- SIL 3 according to EN 61800-5-2, EN 61508
- PL e according to EN ISO 13849‑1
This was certified by TÜV Rheinland. A copy of the TÜV certificate can be requested from SEW-EURODRIVE.
