Basic Functions

STO

• F-DI
• PROFIsafe

SBC
(if activated)

–

No

No

SS1 time-controlled

• F-DI
• PROFIsafe

STO and SBC (if activated) following expiry of the parameterized delay time or if the speed falls below the minimum speed limit

STO

No

No

SBC

• With STO (immediately or following expiry of the delay time with SS1)

–

–

No

No

Extended Functions

SS1 with SBR/SAM

• F-DI
• PROFIsafe

Safe Acceleration Monitor (SAM) or Safe Brake Ramp (SBR) during braking.
STO and SBC (if activated) following expiry of the parameterized delay time or if the speed falls below the minimum speed limit.

STO

No

Yes

SS2

• F-DI
• PROFIsafe

Safe acceleration monitoring (SBR - Safe Brake Ramp) during braking.
SOS following expiry of the parameterized delay time

SS1 в†’ STO

Yes

Yes

SOS

• F-DI
• PROFIsafe

–

SS1 в†’ STO

Yes

Yes

SLS

• F-DI
• PROFIsafe

–

STO, SS1, SS2 or SOS (can be parameterized)

Yes

Yes

SLS encoderless

• F-DI
• PROFIsafe

–

STO, SS1 (can be parameterized)

No

Yes

SDI

• F-DI
• PROFIsafe

–

STO, SS1, SS2 or SOS (can be parameterized)

No

Yes

SSM

• Always active, if configured

–

Signals that the speed has fallen below a specified value

No

Yes