Basic Functions

STO

• F-DI
• PROFIsafe

SBC
(if activated)

–

No

No

No

SBC

• With STO (directly or following expiry of the delay time)

–

–

–

No

No

SS1

• F-DI
• PROFIsafe

STO following expiry of the parameterized delay time, followed by SBC (if activated)

STO

No

No

No

Extended Functions

SS1 with SBR

• F-DI
• PROFIsafe

Safe acceleration monitoring (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

No

Yes

SS2

• F-DI
• PROFIsafe

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

SS1 > STO

No

Yes

Yes

SOS

• F-DI
• PROFIsafe

–

SS1 > STO

Yes

Yes

Yes

SLS

• F-DI
• PROFIsafe

–

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

Yes

Yes

Yes

SLS encoderless

• F-DI
• PROFIsafe

–

STO, SS1 (can be parameterized)

Yes

No

Yes

SDI

• F-DI
• PROFIsafe

–

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

Yes

No

Yes

SSM

• Always active, if configured

–

Signals that the speed has fallen below a specified value

Yes

No

Yes