TwinSAFE Drive-integrated safety technology

Basic functions (TwinSAFE STO/SS1) can be implemented with the TwinSAFE safe drive technology. Depending on the product, the functionality can be implemented via safe FSoE communication and/or fixed wiring via fail-safe inputs on variable frequency drive.

AF1xxx-x0xx-xxxx

Axis module without safety

 

AF1xxx-x1xx-xxxx

Axis module with TwinSAFE STO/SS1 (FSoE)

Technical data

Function

variable frequency drive with STO/SS1

Implementation STO

through local TwinSAFE Logic or via FSoE

Safe stop functions

Safe Torque Off (STO),
Safe Stop 1 (SS1)

Safety standard

EN ISO 13849-1:2023 (Cat 4, PL e),

EN 61508:2010 (SIL 3) and

EN 62061:2005 + A1:2013/A2:2015 (SIL CL3)

AF1xxx-x2xx-xxxx

Axis module with TwinSAFE STO/SS1 (FSoE and I/O)

Technical data

Function

variable frequency drive with STO/SS1
and I/O

Implementation STO

via local TwinSAFE Logic, via FSoE or fixed wiring via safe inputs

Safe stop functions

Safe Torque Off (STO),
Safe Stop 1 (SS1)

Safety standard

EN ISO 13849-1:2023 (Cat 4, PL e),

EN 61508:2010 (SIL 3) and

EN 62061:2005 + A1:2013/A2:2015 (SIL CL3)