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Siemens 3RK3121-2AC00

SIRIUS, central unit 3RK3 ASIsafe Basic for modular safety system 3RK3 1/2 F-DI, 6 DI, 1 F-RO, 1 F-DO,24 V DC monitoring of AS-i devices control of 8 safe outputs on AS-Interface bus configurable using software Safety ES 45 mm width spring-loaded terminal up to SIL 3 (IEC 61508) up to Performance Level E (ISO 13849-1) no expansion module connectable

SiemensMFR # 3RK3121-2AC00SKU # CEY-8EF3B0394E59

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

monitoring of floating sensorsYes

monitoring of non-floating sensorsYes

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About This Product

Siemens 3RK3121-2AC00

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Specifications

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

suitability for use for monitoring of optoelectronic protective devices according to IEC 61496-1Yes

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

General technical data

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

of the enclosureIP20

of the terminalIP20

shock resistance15 g / 11 ms

vibration resistance according to IEC 60068-2-65 ... 500 Hz: 0.75 mm

operating frequency maximum1 000 1/h

mechanical service life (operating cycles) typical10 000 000

reference code according to IEC 81346-2K

Substance Prohibitance (day/month/year)05/28/2009

SVHC substance nameLead CAS-No. 7439-92-1 Lead monoxide (lead oxide) CAS-No. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1 Diboron trioxide CAS-No. 1303-86-2

Net Weight0.309 kg

product function suitable for AS-i Power24VYes

product function diagnostics with CTT2 deviceYes

number of safe signals for remote shutdown or cross traffic by means of AS-interface8

at 30 V maximum45 mA

at 24 V with AS-i Power24V maximum45 mA

Ambient conditions

installation altitude at height above sea level maximum2 000 m

during operation-20 ... +60 °C

during storage-40 ... +85 °C

during transport-40 ... +85 °C

air pressure according to SN 3120570 ... 106 kPa

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.

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

Safety related data

diagnostics test interval by internal test function maximum1 000 s

stop category according to IEC 60204-10 / 1

category according to EN 954-14

IEC 62061

SIL Claim Limit (subsystem) according to EN 62061Kat. 4 / SIL3 / Ple

according to IEC 62061SIL 3

according to IEC 620617E-9 1/h

ISO 13849

performance level (PL) according to EN ISO 13849-1e

category according to EN ISO 13849-14

according to ISO 13849-1PL e

IEC 61508

according to IEC 615083

according to IEC 615081

for proof test interval or service life according to IEC 6150820 a

Electrical Safety

touch protection against electrical shockfinger-safe

Short-circuit protection

design of the fuse link for short-circuit protection of the NO contacts of the relay outputs requiredNH Type 3NA, DIAZED Type 5SB, NEOZED Type 5SE

Inputs/ Outputs

parameterizable inputsYes

parameterizable outputsYes

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

safety-related 2-channel2

for testing contact-based sensors2

1-channel0

2-channel1

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

Communication/ Protocol

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

initial value0.85

full-scale value1.15

at 24 V70 A

at 24 V1 ms

operating power rated value4.5 W

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

solid2x (0.25 ... 1.5 mm²)

finely stranded with core end processing2x (0.25 ... 1 mm²)

for AWG cables solid2x (24 ... 16)

for AWG cables stranded2x (24 ... 16)

connectable conductor cross-section finely stranded with core end processing0.25 ... 1.5 mm²

solid24 ... 16

stranded24 ... 16

DC resistance of the cable maximum100 Ω

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Siemens 3RK3121-2AC00

About This Product

Siemens 3RK3121-2AC00

Specifications

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