SIEMENS
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Siemens D 31 · 2015
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Function
Highlights
Safety Integrated
Overview of Safety Integrated functions
Function
Activation
Underlying function
Reaction to limit
overshoot
External setpoint
input effective
Encoder required
License required
Basic Functions
STO
• F-DI
• PROFIsafe
SBC
(if activated)
–
No
No
No
SBC
• With STO
(directly or follow-
ing 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 param-
eterized delay time or if the
speed falls below the mini-
mum 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
encoder-
less
• 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
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