The maximum Safety Integrity Level (SIL) as per IEC 61508-1 that can be reached with a TM5CSLCx00FS SLC is SIL 3. The SIL actually reached depends on your application.
The maximum Performance Level (PL) as per ISO 13849-1 that can be reached with a TM5CSLCx00FS SLC is PL e. The maximum category (Cat) as per ISO 13849-1 that can be reached with a TM5CSLCx00FS SLC is Cat 4. The PL and Cat actually reached depend on your application.
Refer to the hardware guides of the products used in your application for detailed functional safety data.