> SIEMENS>CONTROL AND CONTACTORS>Programmable safety relays MSS>3RK3121-2AC00 SIEMENS SIRIUS, Central unit 3RK3 ASIsafe Basic for modular Safety system 3RK3 1/2F-DI, 6DI, 1..
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3RK3121-2AC00 SIEMENS SIRIUS, Central unit 3RK3 ASIsafe Basic for modular Safety system 3RK3 1/2F-DI, 6DI, 1.. View larger
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3RK3121-2AC00 SIEMENS SIRIUS, Central unit 3RK3 ASIsafe Basic for modular Safety system 3RK3 1/2F-DI, 6DI, 1..

3RK3121-2AC00

SIEMENS

SIRIUS, Central unit 3RK3 ASIsafe Basic for modular Safety system 3RK3 1/2F-DI, 6DI, 1F-RO, 1F-DO,24 V DC Monitoring of ASI slaves Control of 8 safe outputs on AS-Interface bus parameterizable using software Safety ES 45 mm overall width Spring-type terminal Up to SIL3 (IEC 61508) Up to Performance Level E (ISO 13849-1) No extension module connectable

SIRIUS, CENTRAL MODULE 3RK3 ASISAFE BASIC FOR MODULAR SECURITY SYSTEM 3RK3 1/2F-DI, 6DI, 1F-RO, 1F-DO, DC 24V SLAVE MONITORING ASI, CONTROL OF 8 SAFE OUTPUTS CONEC. TO THE AS-I BUS PARAMETERIZABLE WITH SW MSS IS WIDTH OF 45MM SPRING TERMINALS UP TO SIL3 (IEC 61508) UP TO PERFORMANCE LEVEL E (ISO 13849-1) NO PLUGGABLE EXPANSION MODULE. Manufactured to order. Non-Cancelable Non-Returnable.

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Relays > Device for monitoring of safety-related circuits

CONTROL AND CONTACTORS > Programmable safety relays MSS

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Technical data

SIRIUS, Central unit 3RK3 ASIsafe Basic for modular Safety system 3RK3 1/2F-DI, 6DI, 1F-RO, 1F-DO,24 V DC Monitoring of ASI slaves Control of 8 safe outputs on AS-Interface bus parameterizable using software Safety ES 45 mm overall width Spring-type terminal Up to SIL3 (IEC 61508) Up to Performance Level E (ISO 13849-1) No extension module connectable
product brand nameSIRIUS
product categoryModular Safety System
product designationCentral unit
design of the product1/2 F-DI, 6 DI, 1 F-RO, 1 F-DO
General technical data
product function
● EMERGENCY STOP functionYes
● protective door monitoringYes
● protective door monitoring with tumblerYes
● muting, 2 sensor-parallelYes
● muting, 4 sensor-parallelYes
● muting, 4 sensor-sequentialYes
● monitoring parameterizableYes
● evaluation: electro-sensitive protective equipmentYes
● evaluation: selector switchYes
● pressure-sensitive mat monitoringYes
● evaluation: two-hand operator panelYes
● evaluation: enabling switchYes
● monitored start-upYes
● two-hand control according to EN 574Yes
number of function blocks typical300
insulation voltage rated value300 V
degree of pollution3
surge voltage resistance rated value2 500 V
consumed current for rated value of supply voltage1.685 A
protection class IPIP20
● of the enclosureIP20
● of the terminalIP20
shock resistance15g / 11 ms
vibration resistance according to IEC 60068-2-65 ... 500 Hz: 0.75 mm
operating frequency maximum1 000 1/h
mechanical service life (switching cycles) typical10 000 000
reference code according to IEC 81346-2K
Substance Prohibitance (Date)05/28/2009
product function suitable for AS-i Power24VYes
product function diagnostics with CTT2 slaveYes
protocol is supported ASIsafe (Safety at work) protocolYes
number of safe signals for remote shutdown or cross traffic by means of AS-interface8
consumed current from profile conductors of the AS-Interface
● at 30 V maximum45 mA
● at 24 V with AS-i Power24V maximum45 mA
suitability for use
● monitoring of floating sensorsYes
● monitoring of non-floating sensorsYes
● position switch monitoringYes
● EMERGENCY-OFF circuit monitoringYes
● valve monitoringYes
● opto-electronic protection device monitoringYes
● proximity switch monitoringYes
● safety-related circuitsYes
suitability for use for monitoring of optoelectronic protective devices according to IEC 61496-1Yes
Communication/ Protocol
protocol optional is supported
● PROFIBUS DP protocolYes; when using the DP interface module; 64 bit cyclical data
protocol is supported AS-Interface protocolYes
Control circuit/ Control
type of voltageDC
control supply voltage rated value24 V
inrush current peak
● at 24 V70 A
duration of inrush current peak
● at 24 V1 ms
operating power rated value4.5 W
Inputs/ Outputs
product function
● parameterizable inputsYes
● parameterizable outputsYes
number of inputs
● safety-related2
● non-safety-related6
input delay time0 ... 150 ms
ingress aquisition time at digital input maximum60 ms
input delay time at digital input maximum150 ms
number of outputs
● safety-related 2-channel2
● for testing contact-based sensors2
number of outputs as contact-affected switching element safety-related
● single channel0
● 2-channel1
number of outputs as contact-less semiconductor switching element
● safety-related 2-channel1
● non-safety-related0
design of the contactless switching element safety-relatedP potential
pulse duration of the contactless semiconductor contact block for switching off safety-related maximum1 ms
recovery time of the safe outputs420 ms
dark period of the common drivers1 ms
switching capacity current of semiconductor outputs at DC-13 at 24 V1.5 A
Installation/ mounting/ dimensions
mounting positionvertical
fastening methodSnap-mounted to DIN rail or screw-mounted with additional push-in lug
height111 mm
width45 mm
depth124 mm
Connections/ Terminals
product function removable terminalYes
type of electrical connectionspring-loaded terminals
type of connectable conductor cross-sections
● solid2x (0.25 ... 1.5 mm²)
● finely stranded with core end processing2x (0.25 ... 1 mm²)
● at AWG cables solid2x (24 ... 16)
● at AWG cables stranded2x (24 ... 16)
connectable conductor cross-section finely stranded with core end processing0.25 ... 1.5 mm²
AWG number as coded connectable conductor cross section
● solid24 ... 16
● stranded24 ... 16
DC resistance of the cable maximum100 Ω
Safety related data
Safety Integrity Level (SIL)
● according to IEC 620613
● according to IEC 61508SIL CL 3
SIL Claim Limit (subsystem) according to EN 62061Kat. 4 / SIL3 / Ple
performance level (PL) according to ISO 13849-1e
category according to EN ISO 13849-14
stop category according to EN 60204-10 / 1
diagnostics test interval by internal test function maximum1 000 s
PFHD with high demand rate according to EN 620610.000000007 1/h
hardware fault tolerance according to IEC 615081
touch protection against electrical shockfinger-safe
category according to EN 954-14
Electromagnetic compatibility
installation environment regarding EMCThis product is suitable for Class A environments only. In household environments, this device can cause unwanted radio interference. The user is required to implement appropriate measures in this case.
conducted interference
● due to burst according to IEC 61000-4-42 kV (power ports) / 1 kV (signal ports)
● due to conductor-earth surge according to IEC 61000-4-52 kV
● due to conductor-conductor surge according to IEC 61000-4-51 kV
field-based interference according to IEC 61000-4-310 V/m
electrostatic discharge according to IEC 61000-4-24 kV contact discharge / 8 kV air discharge
Ambient conditions
installation altitude at height above sea level maximum2 000 m
ambient temperature
● during operation-20 ... +60 °C
● during storage-40 ... +85 °C
● during transport-40 ... +85 °C
air pressure according to SN 3120570 ... 106 kPa
Certificates/ approvals

Downloads and manuals

General Product ApprovalEMCFunctional Safety/Safety of Machinery

CCC

Confirmation

UL

EAC

RCM

Type Examination Certificate

Functional Safety/Safety of MachineryDeclaration of ConformityTest Certificatesother

Miscellaneous

EC/EU-Declaration of Conformity

Type Test Certificates/Test Report

ASI-Certification

Confirmation

Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
Industry Mall (Online ordering system)
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Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
last modified:3/29/2022
Date
5/5/2022		Subject to change without notice
© Copyright Siemens 2022


Additional data

Product
Article Number (Market Facing Number)3RK3121-2AC00
Product DescriptionSIRIUS, Central unit 3RK3 ASIsafe Basic for modular Safety system 3RK3 1/2F-DI, 6DI, 1F-RO, 1F-DO,24 V DC Monitoring of ASI slaves Control of 8 safe outputs on AS-Interface bus parameterizable using software Safety ES 45 mm overall width Spring-type terminal Up to SIL3 (IEC 61508) Up to Performance Level E (ISO 13849-1) No extension module connectable
Product family3RK31 central units
Product Lifecycle (PLM)PM400:Phase Out Started
PLM Effective DateProduct phase-out since: 01.10.2021
Notes
Sucessor:successor 3SK2, S7-1200F or ET200SP when AS-i is used
Price data
Region Specific PriceGroup / Headquarter Price Group42B / 42B
Surcharge for Raw MaterialsNone
Metal FactorNone
Delivery information
Export Control RegulationsAL : N / ECCN : EAR99
Standard lead time ex-works15 Day/Days
Net Weight (kg)0,340 Kg
Packaging Dimension52,50 x 133,00 x 133,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4011209913226
UPC887621034313
Commodity Code85371098
LKZ_FDB/ CatalogIDCC-IC10
Product Group5358
Group CodeR711
Country of originGermany
Compliance with the substance restrictions according to RoHS directiveSince: 28.05.2009
Product classC: products manufactured / produced to order, which cannot be reused or re-utilised or be returned against credit.
WEEE (2012/19/EU) Take-Back ObligationYes
REACH Art. 33 Duty to inform according to the current list of candidates

Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which the following substance of the candidate list is contained in concentrations higher than 0,1% weight by weight (w/w):

Lead

Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which the following substance of the candidate list is contained in concentrations higher than 0,1% weight by weight (w/w):

Lead monoxide (lead oxide)

Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

Classifications
VersionClassification
eClass627-37-18-19
eClass7.127-37-18-19
eClass827-37-18-19
eClass927-37-18-19
eClass9.127-37-18-19
ETIM5EC001449
ETIM6EC001449
ETIM7EC001449
ETIM8EC001449
IDEA45166
UNSPSC1432-15-17-05
UNSPSC1539-12-22-05

ETIM data

ETIM: EC001449 - Device for monitoring of safety-related circuits

Value Unit
Release-delay (EF001129) -s
Type of safety according to IEC 61496-1 (EF004105) -
Performance level according to EN ISO 13849-1 (EF007399) -
Evaluation inputs (EF008245) -
SIL according to IEC 61508 (EF009889) -
Model (EF000010) -
Suitable for monitoring of position switches (EF007270) true
Suitable for monitoring of emergency-stop circuits (EF007268) true
Suitable for monitoring of valves (EF007272) true
Suitable for monitoring of optoelectronic protection equipment (EF007269) true
Suitable for monitoring of tactile sensors (EF007271) -
Suitable for monitoring of magnetic switches (EF007266) -
Suitable for monitoring of proximity switches (EF007267) true
Type of electric connection (EF003961) Spring clamp connection
Rail mounting possible (EF003972) FALSE
Rated control supply voltage Us at AC 50HZ (EF003978) ['-', '-']V
Rated control supply voltage Us at AC 60HZ (EF003979) ['-', '-']V
Rated control supply voltage Us at DC (EF003980) ['24', '24']V
Voltage type for actuating (EF008242) DC
With detachable clamps (EF003340) true
With start input (EF003342) -
With muting function (EF004057) false
With feedback circuit (EF003343) -
Number of outputs, safety related, undelayed, with contact (EF003344) 0
Number of outputs, safety related, delayed, with contact (EF003345) -
Number of outputs, safety related, undelayed, semiconductors (EF003346) 1
Number of outputs, safety related, delayed, semiconductors (EF003347) -
Number of outputs, signalling function, undelayed, with contact (EF003348) -
Number of outputs, signalling function, delayed, with contact (EF003349) -
Number of outputs, signalling function, undelayed, semiconductors (EF003350) -
Number of outputs, signalling function, delayed, semiconductors (EF003351) -
Category according to EN 954-1 (EF006782) 4
Stop category according to IEC 60204 (EF007498) 0 + 1
With approval for TÜV (EF004144) true
With approval for BG BIA (EF004145) -
With approval according to UL (EF001783) true
Width (EF000008) 45.0mm
Height (EF000040) 111.0mm
Depth (EF000049) 124.0mm



Datasheet - PDF

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Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
PDF CATALOGUE SIEMENS EN.pdf 104 Mbytes
3RK3121-2AC00 3RK3121-2AC00 EN_3RK3121-2AC00.pdf 227 Kbytes 3RK3121-2AC00 3RK3121-2AC00 EN_3RK3121-2AC00.pdf

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