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Siemens IC 10 · 2017
SIRIUS 3RK3 Modular Safety System
General data
11
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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
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 mat
Evaluation of switching mats
with NC contacts and/or
crossover detection
✓
✓
Protective door monitoring
Evaluation of protective door
signals and/or protective flap
signals
✓
✓
Protective door tumbler
mechanism
Evaluation of protective doors
with tumbler and of the
actuation/release of this tumbler
--
✓
Approval switches
Evaluation of OK buttons with
NO contact
✓
✓
Two-hand operator controls
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
--
✓
Mode selector switches
Evaluation of operating mode
selector switches with
NO contacts
✓
✓
AS-i monitoring (AS-i 2F-DI)
Logic element for monitoring of
AS-i input slaves
--
✓
?
!
&
AS-I
Symbol
MSS Basic
MSS Advanced,
MSS ASIsafe
Logic operation 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
--
✓
x
x
Q
AS-I
© Siemens AG 2016