product brand nameSIRIUS
product designationTemperature monitoring relay
design of the productDigital device for IO-Link, 1 sensor, 2 threshold values
product type designation3RS2
General technical data
product functiontemperature monitoring
display version LEDNo
insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value300 V
test voltage for isolation test6 kV
degree of pollution3
between control and auxiliary circuit300 V
shock resistance according to IEC 60068-2-2711 g / 15 ms
vibration resistance according to IEC 60068-2-610 ... 55 Hz: 0.35 mm
switching behaviormonostable
mechanical service life (operating cycles) typical10 000 000
electrical endurance (operating cycles) at AC-15 at 230 V typical100 000
thermal current of the switching element with contacts maximum5 A
reference code according to IEC 81346-2K
influence of the surrounding temperature0.05% per K deviation from T20
initial value-99 °C
full-scale value1 800 °C
initial value-146 °F
full-scale value3 276 °F
Substance Prohibitance (day/month/year)05/01/2012
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
Net Weight0.169 kg
error memoryYes
external resetYes
design of the sensor connectableResistance sensors: Pt100, Pt1000, KTY83-110, KTY84, NTC Thermocouples: Type J, K, T, E, N, S, R, B
measurable temperature with KTY-sensor maximum300 °C
sensor current with KTY-sensor0.33 mA
Control circuit/ Control
type of voltage of the control supply voltageDC
control supply voltage at DC rated value24 V
control supply voltage 1 at DC rated value24 V
control supply voltage 1 at DC24 V
initial value0.7
full-scale value1.25
supply voltage frequency for auxiliary and control circuit50 ... 60 Hz
number of measuring circuits1
buffering time in the event of power failure minimum20 ms
Precision
relative metering precision1 %
Short-circuit protection
for short-circuit protection of the NO contacts of the relay outputs requiredgL/gG: 6 A or MCB type C: 1 A
for short circuit protection of the NC contacts of the relay outputs requiredgL/gG: 6 A or MCB type C: 1 A
for short-circuit protection of the NO contacts of the relay outputs safety-related requiredgL/gG: 2 A or MCB type C: 1 A
for short circuit protection of the NC contacts of the relay outputs safety-related requiredgL/gG: 2 A or MCB type C: 1 A
Communication/ Protocol
protocol is supported IO-Link protocolYes
IO-Link transfer rateCOM2 (38,4 kBaud)
point-to-point cycle time between master and IO-Link device minimum5 ms
type of voltage supply via input/output link masterYes
of the address range of the inputs with cyclical transfer total4 byte
of the address range of the outputs with cyclical transfer total2 byte
Auxiliary circuit
material of switching contactsAgSnO2
number of NC contacts for auxiliary contacts0
number of NO contacts for auxiliary contacts0
number of CO contacts for auxiliary contacts2
at 24 V1 A
at 125 V0.2 A
at 250 V0.1 A
contact reliability of auxiliary contactsone incorrect switching operation of 100 million switching operations (17 V, 5 mA)
contact rating of auxiliary contacts according to ULR300 / B300
operating frequency rated value50 ... 60 Hz
ampacity of the output relay at AC-15 at 250 V at 50/60 Hz3 A
at 24 V1 A
at 125 V0.2 A
continuous current of the DIAZED fuse link of the output relay6 A
continuous current of DIAZED fuse link of the output relay safety-related2 A
Electromagnetic compatibility
EMC emitted interference according to IEC 60947-1class A
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 (line to ground)
due to conductor-conductor surge according to IEC 61000-4-51 kV (line to line)
field-based interference according to IEC 61000-4-310 V/m
electrostatic discharge according to IEC 61000-4-26 kV contact discharge / 8 kV air discharge
Galvanic isolation
design of the electrical isolationProtective separation
between input and outputYes
between the outputsYes
between the voltage supply and other circuitsYes
IEC 62061
SIL Claim Limit (subsystem) according to EN 620611
Safety Integrity Level (SIL) according to IEC 62061SIL 1
PFHD with high demand rate according to IEC 620613.9E-7 1/h
ISO 13849
performance level (PL) according to EN ISO 13849-1c
category according to EN ISO 13849-11
according to ISO 13849-1PL c
for delayed release circuit according to ISO 13849-1c
IEC 61508
according to IEC 615081
for delayed release circuit according to IEC 615081
safety device type according to IEC 61508-2Type B
Safe failure fraction (SFF)66 %
hardware fault tolerance according to IEC 615080
T1 value for proof test interval or service life according to IEC 6150820 a
ATEX
certificate of suitability relating to ATEXYes, with 3RS29 sensor expansion module
Connections/ Terminals
product component removable terminal for auxiliary and control circuitYes
type of electrical connectionscrew terminal
for auxiliary and control circuitscrew-type terminals
solid1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²)
finely stranded with core end processing1x (0.5 ... 4 mm²), 2x (0.5 ... 1.5 mm²)
for AWG cables solid1x (20 ... 12), 2x (20 ... 14)
solid0.5 ... 4 mm²
finely stranded with core end processing0.5 ... 4 mm²
solid20 ... 12
tightening torque with screw-type terminals0.6 ... 0.8 N·m
type of electrical connection plug-in socketYes
Installation/ mounting/ dimensions
mounting positionany
fastening methodscrew and snap-on mounting onto 35 mm DIN rail
height100 mm
width22.5 mm
depth90 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— at the side0 mm
— downwards0 mm
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
Ambient conditions
installation altitude at height above sea level maximum2 000 m
during operation-25 ... +60 °C
during storage-40 ... +85 °C
during transport-40 ... +85 °C
relative humidity during operation maximum70 %
explosion protection category for dustEx II (2) D [b1] [Ex h] [pyb] [tb] [mb] [kb] [sb] III C Db
explosion protection category for gasEx II (2) G [b1] [Ex h] [db] [eb] [pyb] [mb] [ob] [q] [kb] [sb] II C Gb