Overview of the safety options

In the device, the STO safety sub-function is always available and can be extended with the following 3 safety options.

  • MOVISAFE® CSB51A safety option
  • The MOVISAFE® CSB51A safety option provides the STO and SS1-t safety sub-functions. The functions can be controlled via safe communication.
  • Safety option MOVISAFE® CSL51A
  • The safety option MOVISAFE® CSL51A provides the safety sub-functions STO and SS1-t. When using a safe built-in encoder, the safety sub-functions SS1-r, SLS, SSM and SDI are available for motion monitoring. The functions can be controlled via safe communication and safe digital inputs.
  • Safety option MOVISAFE® CSS51A
  • The safety option MOVISAFE® CSS51A provides the safety sub-functions STO and SS1-t. When using a safe motor encoder with MOVILINK® DDI, the safety sub-functions SS1-r, SS2, SOS, SLS, SSM, SSR, SLA, SLI and SDI are available for motion monitoring. The EI7C FS safe built-in encoder is also supported. The safety sub-functions can be controlled via safe communication and safe digital inputs.

The PROFIsafe and CIP Safety™ profiles are available for safe communication.

The described safety technology of the device (STO safety sub-function and MOVISAFE® CS..A safety options) 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.