SIEMENS
3/305
Siemens IK PI · 2015
PROFIBUS
SIRIUS 3RK3 Modular Safety System
General data
3
■
Application
The 3RK3 Modular Safety System can be used for all safety-related requirements in the manufacturing industry and offers the
following safety functions:
✓
Available
--
Not available
■
More information
System manual "3RK3 Modular Safety System" see
.
Symbol
MSS Basic
MSS Advanced,
MSS ASIsafe
Monitoring functions
Universal monitoring
Evaluation of any binary
signals from single-channel
and two-channel sensors
--
✓
EMERGENCY-STOP
Evaluation of EMERGENCY-
STOP devices with positive-
opening contacts
✓
✓
Safety shutdown mats
Evaluation of safety
shutdown mats with
NC contacts and/or
cross-circuit detection
✓
✓
Protective door monitoring
Evaluation of protective door
signals and/or protective flap
signals
✓
✓
Protective door
interlocking
Evaluation of protective
doors with interlock and of
the actuation/release of this
interlock
--
✓
Enabling switches
Evaluation of enabling
buttons with NO contact
✓
✓
Two-hand operation
Evaluation of two-hand
operator controls
✓
✓
ESPE monitoring
Evaluation of non-contact
protective devices,
e.g. light curtains and
laser scanners
✓
✓
Muting
Temporary bridging of non-
contact protective devices,
2/4 sensors in parallel,
4 sensors in sequence
--
✓
Operating mode selector
switches
Evaluation of operating mode
selector switches with
NO contacts
✓
✓
Monitoring AS-i
(AS-i 2F-DI)
Logic element for monitoring
of AS-i input slaves
--
✓
?
!
&
AS-I
Symbol
MSS Basic
MSS Advanced,
MSS ASIsafe
Logic functions
AND
✓
✓
OR
✓
✓
XOR
✓
✓
NAND
✓
✓
NOR
✓
✓
Negation
✓
✓
Flip-flop
✓
✓
Counting functions
Counter 0 -> 1
✓
✓
Counter 1 -> 0
✓
✓
Counter 0 -> 1/1 -> 0
✓
✓
Timer functions
With ON-delay
✓
✓
Passing make contact
✓
✓
With OFF-delay
✓
✓
Clock-pulsing
✓
✓
Start functions
Monitored start
✓
✓
Manual start
✓
✓
Output functions
Standard output
✓
✓
F output
✓
✓
AS-i output function
--
✓
Status functions
Element status
--
✓
)
!
°
4
°
4
)
!
°
4
4
5
5
Q
AS-I
© Siemens AG 2014