Monitoring, Controlling & Switching W/ SIRIUS Relays
SIRIUSMonitorMonitoring, Controllingand Switching withSIRIUS RelaysOne range for every applicationusa.siemens.com/relays
The full-rangeSIRIUS relay portfolioEvery engineer knows that he must be completely up to date when it comes to controls, load feeders anddrives. However, with coupling, control and monitoring relays, the search among the various suppliersbecomes time-consuming. This is now a thing of the past because we have combined all these products ina single range: SIRIUS . This makes it easy for you to select the optimum product and guarantees a topprice-performance ratio.SIRIUS relays –one range for every applicationThe highlights at a glanceOur range of SIRIUS relays comprises everythingrequired for motor feeder applications. With maximumease and comfort. From a single source. Whether compact timing or reliable monitoring relays, particularlynarrow coupling relays, plug-in relays, low-noisepower relays or signal converter our relay range is themost complete and comprehensive portfolio on themarket. We offer relays for each and every application.Moreover, all SIRIUS relays offer outstanding ease ofoperation. Take a closer look at our portfolio and convince yourself. You will be surprised. Broad applicability – comprehensive portfolio User-friendly – easy operation Multi-functional – flexibly applicable relays Practice-oriented – graded for customizedperformance Open communication with the control –thanks to IO-Link interface Excellent cost/performance ratioUse of SIRIUS relaysL1L2L3Coupling relaySIMATIC S7-1200/1500Monitoring relaysLineU, Asym .Control / feedbackLoadTiming relayIS, IP, cos φMotor C, rpm Time-delayed control2
ContentSIRIUS timing relays: Full control of all time sequencesTiming relays3RP20 / 25 and 7PV15 timing relays for DIN rail mounting6Function modules3RA2811 / 12 / 16, 3RA2831 / 32 function modules for mounting on 3RT2 contactors8Time-delayed auxiliaryswitches3RA2813 / 14 / 15 time-delayed auxiliary switches for mounting on 3RT2 contactors9SIRIUS monitoring relays: Perfect protection of machines and systemsMonitoring relays3UG451 / 461 / 463 monitoring relays for line and single-phasevoltage monitoring – as 3UG481 / 483 also for IO-Link103RR21/22 monitoring relays for direct mounting on contactors for multi-phasecurrent monitoring – as 3RR24 also for IO-Link123UG4621 / 4622 / 4641 monitoring relays for single-phase current monitoring,power factor and active current monitoring – as 3UG4822 / 4841 also for IO-Link133UG4625 monitoring relays for residual current monitoring – as 3UG4825also for IO-Link143UG458 monitoring relays for insulation monitoring153UG4501 monitoring relays for level monitoring163UG4651 monitoring relays for speed monitoring –as 3UG4851 also for IO-Link173UG546 DC load monitoring relays with Profinet18Thermistor motorprotection relays3RN2 thermistor motor protection relays for protection against overheating20Temperaturemonitoring relays3RS25 temperature monitoring relays (analog adjustable)223RS26/28/29 temperature monitoring relays (digital-adjustable) also for IO-Link23SIRIUS coupling relays: Perfect interaction of control and systemCoupling relaysOverview of SIRIUS coupling relays / signal converters243RQ2 coupling relays in industrial enclosure, universal253RQ3 coupling relays with a slimline, compact design263TX71 plug-in relays28LZS coupling relays with plug-in relays29Signal converters3RS70 signal converters (standard signal and universal converters)30Power relays3TG10 power relays for high performance with minimum dimensions31* Technical annex3
SIRIUS Monitoring Relays for IO-LinkReliable monitoring and protectionSIRIUS relays from Siemens offer maximum machine andsystem protection and now also communicate with the control level thanks to IO-Link. The new SIRIUS relays for IO-Link monitor line quality, current values, voltages,speeds and temperatures with the known reliabilitywhile supporting an even broader application area.Your advantages Precise monitoring of electrical, mechanical andtemperature values Reliable protection of motors and system components Realization of simple autonomous temperaturecontrol tasks (2-point, 3-point control) Connection to the control level via IO-LinkSIRIUS speaks IO-LinkWith the SIRIUS monitoring relays for IO-Link, you optfor maximum flexibility: In addition to the unchangedautonomous monitoring function, measured values anddata can be directly transferred to the control via IO-Link.Also parameterization can either be realized locally orvia IO-Link. The SIRIUS relays for IO-Link are thus fully integrated in Totally Integrated Automation, our opensystem architecture for integrated automation.Moreover, you will benefit from considerably easeddevice replacement – thanks to data comparison and automatic re-parameterization via parameter servers. Central fault diagnostics and localization Eased commissioning and maintenance Efficient energy management with SIRIUS 3UG48:Support of the data formats defined in thePROFIenergy profileSIRIUS monitoring relays for IO-Link: SIRIUS 3RR24: 3-phase current monitoringdirectly integrated in the load feeder SIRIUS 3UG48: Monitoring of electrical andmechanical parameters: Voltage, current, powerfactor and speed SIRIUS 3RS28: Monitoring of temperaturesUnique consistency: IO-Link integrated in Totally Integrated AutomationIO-LinkengineeringSIMATIC S7-PCTVisualization:SIMATIC HMIWinCCS7-1200/1500 controlIO-LinkET200SPwith IO-Link MasterSIRIUS 3RA6compactstartersSIMATIC ET 200eco PNwith IO-Link IUS3RS28relaysSIRIUS3RA2load feederswith rol cabinet installation4PROFINET/PROFIBUSFurther field devicesField installationIO-LinksensorsStandard sensors
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3RP20 / 25 and 7PV15 Timing Relaysfor DIN rail mountingElectronic timing relays are used for all time-delayed switchingprocesses in control, starting, protection and regulation circuits.Thanks to their elaborate operating concept and space-saving,compact design, the 3RP20 / 25 timing relays are ideal timingdevices for manufacturers of industrial control cabinets, powerdistribution boards and controls. With their narrow design, the7PV15 timing relays are particularly suitable for applications inheaters, fans, air-conditioning systems and compressors.ApplicationON-delay Interference pulse suppression (gatingof interference pulses) Successive motor starting to preventmains overloadsOFF-delay Generation of overtravel functions afterdisconnection of the control voltage(e.g. fan run-on) Successively delayed disconnection ofmotors, fans, etc., for targeted systemshutdownWye(star)-delta Motor start-up with reduced startingcurrent in wye (star) circuit Switchover to delta operation for fullmotor power after adjustable time Short switchover break to preventinterphase short circuit with delayedcontactor switchingMultifunction Maximum flexibility: one devicewith wide-range supply for all timefunctions Versions for railway applications forspecial requirements (e.g. temperaturerange, vibration/shock resistance andEMC)Watchdog function Monitoring of cyclic events6Your advantages The right construction type for any application Compact range for all applications thanks to multifunctional devicesand wide voltage range Significant logistical advantages thanks to versions with wide voltageand wide time setting ranges DIN rail mounting and disassembly without tools Cadmium-free relay contacts Recyclable, halogen-free enclosure3RP25 timing relays Short cycle times and bounce-free and wear-free switching thanks totiming relays with semiconductor output Adhesive films are used to document the function set on the multifunctional timing relay Sealable cover for safeguarding of set parameters Positively driven contacts for increased safety without additionalcoupling relay (e.g. reliable detection of switching faults or safe signalduplication)7PV15 timing relays Minimum variance: One design both for power distribution boardsand control cabinets Compliance with EMC requirements for residential areas Switchover break with wye(star)-delta adjustable from 50 ms to 1 sec,for optimum adjustability to the application
3RP20/25 and 7PV15 Timing RelaysApplications of the 3RP20 / 25 and 7PV15 ranges3RP20 – the timing relay in contactor design:Recommended for small distance between DIN rails and/or lowinstallation depths, e.g. in control boxes3RP25 – the premium range for all applications in industrial- standard width 22.5 mm and space-saving 17.5 mm:for variable use thanks to versions with 1 or 2 relays, screw andspring-type terminals, positively driven operation, etc.7PV15 – the version for standard applications:Narrow and cost-favorable, both for control cabinets and powerdistribution boards7
3RA2811 / 12 / 16, 3RA2831 / 32 Function Modules3RA2811 / 12 / 16, 3RA2831 / 32Function Modulesfor mounting on 3RT2 contactorsThe function modules facilitate the mounting of startersand contactor assemblies for direct-on-line and wye(star)delta starting. They comprise all important control functions required for the respective feeder – e.g. timing andelectric interlocking function. The function modules, whichact as timing relays, can be rapidly and easily mounted onSIRIUS contactors – without laborious wiring. They supportcontactor switching both with ON- and OFF-delay.ApplicationON-delay Time-delayed starting of multiple drivesfor example reduces the summationstarting current and thus prevents theoccurrence of line voltage dips or cableoverloads (cascade circuit)OFF-delay Time-controlled disconnection of adrive’s control signal after a start pulse,e.g. with gate control, follow-upventilationFunction modulesfor wye(star)-delta start Switchover during drive starting, e.g.switchover of large fans from wye(star) to delta as current-limitingmeasure Fixed switchover break of 50 ms forshort-circuit protection Universal use thanks to wide voltageand large setting range of the wye(star) start time8Your advantages Reduction of control circuit wiring Prevention of wiring faults 24 – 240 V AC/DC wide voltage range for control supply voltageand contactor coil control Reduced testing costs Realization of control-independent timing functions Space savings in the control cabinet (compared to a separate timing relay) No additional protective circuit required (integrated varistor) Automatic preference circuit with wye(star)-delta function modules forfurther reduction of current peaks Assembly of wye(star)-delta starters, including timing function andelectric interlocking, without additional wiring Approvals in accordance with IEC, CCC, UL and CSA standardsWye(star)-delta function module:Easy and fault-free mounting on3RT2 contactors thanks to plug-intechnology
3RA2813 / 14 / 15 Time-Delayed Auxiliary Switches3RA2813 / 14 / 15 Time-DelayedAuxiliary Switchesfor mounting on 3RT2 contactorsThe electronically delayed auxiliary switches for mounting onto contactors are dimensioned for contactor coil voltages from 24 to 240 V AC/DC(wide voltage). Auxiliary switches for control and status signals areemployed especially for the switching of very small signals for electronicapplications. They are used for example for pump or fan run-on similarto OFF-delay timing relays or the delayed switch-on of a gate drive.Both the electrical and mechanical connection are realized by simplysnapping the device on and locking it. A varistor is integrated in thetime-delayed auxiliary switch for the attenuation of switching overvoltages in the contactor coil.ApplicationON-delay For example for the delayedreadiness signaling of a drive afterstart-up with centrifugal massOFF-delay Generation of run-on functions forfans or pumps after disconnectionof the control voltageYour advantages Flexible use for all contactor control supply voltagesin the 24 – 240 V AC/DC range Selectable outputs 1 NO 1 NC or 1 CO All modules with 24 – 240 V AC/DC wide voltagein the auxiliary circuit Integrated electric interlocking and factory-integratedvaristor (protective circuit) – easy configuration Plug-on function modules for connection without tools High setting accuracy thanks to selectable time ranges Reduced variance – only 1 module for sizes S00 to S3 Add-on modules for reduced wiring and space savingsSIRIUS 3RA2811 / 12 / 16, 3RA2831 / 32 and3RA2813 / 14 / 15 As distinct from other timing relays, 3RA2811 / 12 / 16 and3RA2831 / 32 function modules do not have relay outputs. Theyare timing relays that are directly mounted onto 3RT2 contactors.Rather than the contactors themselves, it is the function modulesthat are controlled, with the modules switching the contactorsbelow them via direct contact to the contactor coil. With 3RA2813 / 14 / 15 time-delayed auxiliary switches, the 3RT2contactor is controlled which then switches on or off instantaneously. The auxiliary switch mounted on the contactor respondsto this via voltage tap on the contactor coil and switches the relayoutputs with a time delay.9
3UG451 / 461 / 463 and 3UG481 / 483 Monitoring Relays3UG451 / 461 / 463 and 3UG481 / 483Monitoring Relaysfor line and voltage monitoringThe 3UG4 monitoring relays provide a maximum degree of protectionfor machines and systems. They facilitate the early detection of line andvoltage faults, allowing for their rectification before any consequentialdamage can occur.IO-LinkApplicationTypical applications can be derivedfrom the table below.Your advantages Thanks to the wide voltage range, the monitoring relays can be used onany power systems around the world – from 160 V to 600 V AC – withoutseparate auxiliary voltage Variably adjustable to overshoot, undershoot or range monitoring Freely configurable delay times and RESET response Narrow width for all versions Permanent display of ACTUAL value and type of line fault withdigital versions Automatic correction of rotation direction by differentiating betweenline faults and incorrect phase sequenceMeasured variablePossible system faultPhase sequence Direction of rotation of the drivePhase failure Fuse tripping Control supply voltage failure Single-phase operation of a motor with corresponding overheatingPhase asymmetry Motor overheating due to asymmetric voltages or phase failure Detection of asymmetrically loaded supply systems Phase failure detection despite regenerative feedbackUndervoltage Overvoltage System protection against destruction caused by supply overvoltages System switch-on upon reaching a certain voltage Threshold value switch for analog signals 0 to 10 V10Increased motor current with respective overheatingUnintended device resetMains failure, particularly with battery supplyThreshold value switch for analog signals from 0 to 10 V
3UG451 / 461 / 463 and 3UG481 / 483 Monitoring RelaysConfiguration of 3-phase line monitoring3UG4 monitoring relayPhase failureContactorPhase asymmetry,voltageDirection of rotation11
3RR21/22 and 3RR24 Monitoring Relaysfor direct mounting on contactorsfor multi-phase current monitoringThe 3RR2 monitoring relays are used not only formonitoring motors or other loads, but additionallyalso facilitate optimum current monitoring of theentire system or driven process. This for exampleallows for the early detection and signaling of loadshedding or motor overloads. The 3RR2 monitoringrelay for current monitoring is directly integratedin the load feeder. It is simply plugged onto thecontactor.3RR21/22 and 3RR24 Monitoring RelaysApplication Monitoring for current overshoot andundershoot Monitoring of open circuit Monitoring of no-load operation andload shedding, e.g. in the event of atorn V-belt or no-load operation of apump Monitoring of overload, e.g. causedby excessive loading of conveyor beltsor cranes Monitoring of the functionality ofelectric loads such as heaters Monitoring of wrong phase sequenceson mobile equipment such as com pressors or cranes Monitoring of high-impedance faults toground, e.g. due to damaged insulationor moistureIO-LinkYour advantages Direct mounting on 3RT2 contactors, i.e. no additional wiring overhead inthe main circuit Optimally matched to the technical characteristics of 3RT2 contactors,no separate current transformers required 2- or 3-phase current monitoring, apparent or active current monitoring Display of ACTUAL values and status messages Easy determination of threshold values by means of direct reference toactually measured values under setpoint load Only one device is required for motor monitoring along the entiretorque curve Monitoring for cable break, phase failure/sequence, fault current,motor blockingCurrent monitoringdirectly in the main circuit12
3UG4621 / 4622 / 4641 and 3UG4822 / 4841Monitoring Relaysfor single-phase current, power factor andactive current monitoringThe 3UG4 relays for current, active power and active current monitoringare ideally suited for monitoring the load of motors and the functionalityof electronic loads. These devices detect signs of wear and faults earlyon, thereby for example facilitating the timely implementation of maintenance measures to prevent system failures.ApplicationCurrent monitoring Overload monitoring Underload monitoring close to therated torque Monitoring of the functionality ofelectric loads Wire breakage monitoring Energy management (phase currentmonitoring) Threshold value switch for analog signalsfrom 4 to 20 mAPower factor and active currentmonitoring No-load monitoring Underload monitoring in the lowerpower range Overload monitoring Easy power factor monitoring in networksfor the control of compensation systems Energy management Cable breakage between control cabinetand motor3UG4621 / 4622 / 4641 and 3UG4822 / 4841 Monitoring RelaysIO-LinkYour advantages Reduced stock-keeping thanks to wide-voltage versions Variably adjustable to overshoot, undershoot or window monitoring Freely parameterizable delay times and RESET response Permanent display of ACTUAL value and type of fault Setting of monitoring limits on the basis of real measured values Real rms value measurementCurrent monitoring Only two versions from 2 mA to 10 A Applicable for frequencies with 40–500 Hz AC and DCPower factor and active current monitoring Global use thanks to wide voltage from 90 to 690 V AC Monitoring of smaller single-phase motors with a no-load currentbelow 0.5 A One device for motor monitoring, from no-load to overload Voltage-independent monitoring of the motor loadRule of thumb: Thepower factor changessignificantly below therated load; the currentincreases disproportionally above the rated load.cos φCurrent and active power depending on the motor loadMotor loadThe active current Ires indicates a linear correlation between the motor load and the measured value over theentire measuring range.13
3UG4625 and 3UG4825 Monitoring Relaysfor residual current monitoringResidual-current monitoring relays are used for monitoring residualcurrents that can result in insulation problems in plants due to humidity or severe contamination. By using the 3UG4625 or 3UG4825 residual-current monitoring relay in combination with a 3UL23 summationcurrent transformer, such hazards can be eliminated. Thanks to adjustable limit or warning threshold values, the relay issues a warningbefore the limit value is reached and switches off reliably when the limitvalue is exceeded after a certain delay time. The 3UG4825 monitoring relayshave an IO-Link interface for digital transfer of measured values to the control.Application3UG4625 and 3UG4825 Monitoring RelaysMonitoring of systems proneto residual currents, e.g. caused by: Dust deposits or humidity Porous cables and lines Capacitive residual currentsIO-LinkYour advantages Can be used worldwide thanks to a wide voltage range from24 to 240 V AC/DC Measuring range from 30 mA to 40 A Variably adjustable threshold valu
Monitoring, Controlling and Switching with SIRIUS Relays One range for every application SIRIUS Monitor. 2 SIRIUS relays – . SIRIUS monitoring relays: Perfect protection of machines and systems Monitoring relays 3UG451 / 461 / 463 monitoring relays for line and single-phase
SIRIUS monitoring relays: Perfect protection of machines and systems Monitoring relays 3UG451 / 461 / 463 monitoring relays for line and single-phase voltage monitoring – as 3UG481 / 483 also for IO-Link 10 6* 3RR21/22 monitoring relays for direct mounting on contactors for multi-phase current monitoring – as 3RR24 also for IO-Link 12 7 .
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3 Contents SIRIUS timing relays: Full control of all time sequences Timing relays 3RP15 / 20 and 7PV15 timing relays for DIN rail mounting 06 - 07 02 - 03* Function modules 3RA2811 / 12 / 16 function modules for mounting on 3RT2 contactors 08 04* Time-delayed auxiliary switches 3RA2813 / 14 / 15 time-delayed auxiliary switches for mounting on 3RT2 contactors *09 05*
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