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