SIEMENS
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Siemens D 21.4 · 2017
Safety Integrated
Safety Integrated for SINAMICS S120 built-in units
3
■
Function
Function
Control
Underlying function
Reaction to limit
overshoot
External set-
point input
effective
Encoder
required
1)
License
required
Basic Functions
STO
• EP terminals on the power unit
or CUA31/CUA32 and a DI on
the Control Unit
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
SBC
(if activated)
–
No
No
No
SBC
• With STO (immediately or
following expiry of the delay
time with SS1)
–
–
–
No
No
SS1
Time-driven
• EP terminals on the power unit
or CUA31/CUA32 and a DI on
the Control Unit
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
STO following expiry of the
parameterized delay time, SBC
(if activated)
STO
Can be
parameterized
No
No
Extended Functions
SS1 with
SBR/SAM
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
Safe Acceleration Monitor (SAM)
or Safe Brake Ramp (SBR) during
braking. STO and SBC (if activated)
following expiry of the parameter-
ized delay time or if the speed falls
below the minimum speed limit
STO
Can be
parameterized
No
Yes
SS2
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
Safe Acceleration Monitor (SAM)
during braking. Following expiry
of the parameterized delay time
SOS
SS1
→
STO
No
Yes
Yes
SLS
encoderless
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
• Continuously activated
–
STO, SS1
(can be parameterized)
Yes
No
Yes
SLS
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
• Continuously activated
–
STO, SS1, SS2 or SOS
(can be parameterized)
Yes
Yes
Yes
SOS
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
–
SS1
→
STO
Yes
Yes
Yes
SSM
• Always active, if configured
–
Signals that the speed
has fallen below a
specified value (safe
checkback signal
switches to high)
Yes
No
Yes
SDI
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
• Continuously activated
–
STO, SS1, SS2 or SOS
(can be parameterized)
Yes
No
Yes
SLP
• F-DI on TM54F
• F-DI on CU310-2
• PROFIsafe
–
STO, SS1, SS2 or SOS
(can be parameterized)
Yes
Yes
Yes
SP
• Always active, if configured
–
–
Yes
Yes
Yes
SBT
• Safety Control Channel
• BICO signals
• for test stop selection
–
Signals test result.
Warning if test failed
Yes
Yes
Yes
1)
Encoderless Safety Extended Functions can be implemented only on
request for SINAMICS S120 converters.
© Siemens AG 2017