SIEMENS
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Siemens IK PI · 2015
PROFIBUS
SIRIUS 3RK3 Modular Safety System
3RK31 central units
3
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Selection and ordering data
Notes:
More information on MSS see
www.siemens.com/sirius-mss.
More information on AS-Interface see Chapter 4
(AS-Interface).
Version
Screw terminals
Spring-type
terminals
Article No.
Article No.
3RK31 central units
3RK3 Basic
3RK3111-1AA10
3RK3111-2AA10
Central unit with safety-related inputs and outputs
• 8 fail-safe inputs
• 1 two-channel relay output
• 1 two-channel electronic output
Max. 7 expansion modules can be connected
Note:
Memory module 3RK3931-0AA00 is included in the scope of supply.
3RK3 Advanced
3RK3131-1AC10
3RK3131-2AC10
Central units for connecting to AS-Interface
with safety-related inputs and outputs
and extended scope of functions
• 8 fail-safe inputs
• 1 two-channel relay output
• 1 two-channel electronic output
Max. 9 expansion modules can be connected
Note:
Memory module 3RK3931-0AA00 is included in the scope of supply.
3RK3 ASIsafe
Central units for connecting to AS-Interface
with safety-related inputs and outputs
and extended scope of functions
• 1 two-channel relay output
• 1 two-channel electronic output
"Basic" version
• 2 fail-safe inputs
• 6 non-fail-safe inputs
No expansion modules can be connected
3RK3121-1AC00
3RK3121-2AC00
"Extended" version
• 4 fail-safe inputs
• 4 non-fail-safe inputs
Max. 2 expansion modules can be connected
3RK3122-1AC00
3RK3122-2AC00
Note:
Memory module 3RK3931-0AA00 is included in the scope of supply.
3RK3111-1AA10
3RK3121-1AC00
3RK3122-1AC00
3RK3131-1AC10
© Siemens AG 2014