Siemens SIRIUS 3RT2 Manual
Siemens SIRIUS 3RT2 Manual

Siemens SIRIUS 3RT2 Manual

Industrial controls, switchgear function modules for mounting on contactors
Table of Contents

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Industrial Controls
Switchgear
SIRIUS 3RA28 function modules for
mounting on 3RT2 contactors
Manual
02/2019
A5E03656507620A/RS-AD/005
Introduction
___________________
Standards
___________________
Product description
___________________
___________________
Product combinations
___________________
Functions
___________________
Configuration
___________________
Mounting
___________________
Connection
___________________
Operation
___________________
Accessories
___________________
Technical data
___________________
Circuit diagrams
___________________
References
___________________
Dimension drawings
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2
3
4
5
6
7
8
9
10
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12
A
B

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Table of Contents
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Summary of Contents for Siemens SIRIUS 3RT2

  • Page 1 Introduction ___________________ Standards ___________________ Industrial Controls Product description ___________________ ___________________ Product combinations Switchgear SIRIUS 3RA28 function modules for mounting on 3RT2 contactors ___________________ Functions ___________________ Configuration Manual ___________________ Mounting ___________________ Connection ___________________ Operation ___________________ Accessories ___________________ Technical data ___________________ Circuit diagrams ___________________ References ___________________...
  • Page 2 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
  • Page 3: Table Of Contents

    Scope of the manual ......................... 6 Siemens Industry Online Support ..................... 7 Further documentation ......................8 DataMatrix code ........................9 Siemens Industry Online Support app ..................10 Recycling and disposal ......................11 1.10 Support Request ........................11 Standards ............................. 13 Product description ..........................
  • Page 4 Setting the times ........................63 Accessories ............................65 10.1 Sealable cover ........................65 Technical data ............................67 11.1 Technical data in Siemens Industry Online Support .............. 67 Circuit diagrams ............................ 69 12.1 CAx data ..........................69 12.2 Internal circuit diagrams ......................70 12.3...
  • Page 5: Introduction

    Nor can Siemens assume liability for recommendations that appear or are implied in the following description. No new guarantee, warranty, or liability claims beyond the scope of the Siemens general terms of supply are to be derived or inferred from the following description. Note Comply in each case with the valid national assembly regulations and standards when configuring the system.
  • Page 6: Required Basic Knowledge

    Introduction 1.3 Required basic knowledge Required basic knowledge To understand these operating instructions you should have a general knowledge of automation engineering and low-voltage controls. Scope of the manual The manual is valid for the described function modules. It contains a description of the devices that are valid at the time of publication.
  • Page 7: Siemens Industry Online Support

    Siemens Industry Online Support Information and Service In Siemens Industry Online Support, you can obtain up-to-date information from our global support database quickly and simply. To accompany our products and systems, we offer a wealth of information and services that provide support in every phase of the lifecycle of your machine or plant –...
  • Page 8: Further Documentation

    Introduction 1.6 Further documentation mySupport With "mySupport", your personal workspace, you get the very best out of your Industry Online Support. Everything to enable you to find the right information every time. The following functions are now available: ● Personal messages Your personal mailbox for exchanging information and managing your contacts ●...
  • Page 9: Datamatrix Code

    In the case of basic and coupling modules, there is a further DataMatrix code behind the labeling plate. DataMatrix codes are standardized in ISO/IEC 16022. The DataMatrix codes on Siemens devices use ECC200 coding for powerful error correction. The following device information is encoded in the front DataMatrix code as a bit stream: ●...
  • Page 10: Siemens Industry Online Support App

    Siemens Industry Online Support app Siemens Industry Online Support app You can use the Siemens Industry Online Support app to access all the device-specific information available on the Siemens Industry Online Support portal for a particular article number, including operating instructions, manuals, datasheets, FAQs etc.
  • Page 11: Recycling And Disposal

    Using the Support Request form in Online Support you can send your query directly to our Technical Assistance. After describing your query in a few guided steps, you will immediately be provided with possible suggestions for solving the problem. Support Request: Internet (https://support.industry.siemens.com/My/ww/en/requests) SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 12 Introduction 1.10 Support Request SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 13: Standards

    The standards from Catalog IC 10 "SIRIUS Industrial Controls" in the appendix always apply. You will find extracts from the most important standards relating to the SIRIUS modular system in the Internet (http://www.siemens.com/sirius/support) ("SIRIUS - System Overview", Article Number: 3ZX1012-0RA01-5AC1).
  • Page 14 Standards SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 15: Product Description

    Product description Applications Function modules are used to perform various control jobs on automatic production lines and for processing machines. They are suited to all time-delayed switching operations in control, starting, protection, and regulation circuits, and ensure a high degree of repeat accuracy for delay times, once they have been set.
  • Page 16 More information ... Can be found in ... About 3RA27 function modules for AS-Interface "SIRIUS - SIRIUS 3RA2712 function modules for AS-Interface (http://support.automation.siemens.com/WW/view /en/39318922)" manual (3ZX1012-0RA27-0AC0) About 3RA27 function modules for IO-Link "SIRIUS - SIRIUS 3RA2711 function modules for IO-Link (http://support.automation.siemens.com/WW/view...
  • Page 17: Device Versions

    Product description 3.1 Device versions Device versions Device versions ● Function modules for direct-on-line start – Solid-state timing relays with semiconductor output – Solid-state time-delay auxiliary switches ● Function modules for star-delta (wye-delta) start Characteristics The table below provides an overview of the versions of 3RA28 function modules for mounting on 3RT2 contactors and 3RH2 contactor relays The 3RA28 function modules must not be mounted on 3RH2 coupling relays.
  • Page 18 Product description 3.1 Device versions 3RA28 version overview Article number Function Output Screw connection 3RA2811-1CW10 ON-delay, two-wire Thyristor 3RA2812-1DW10 OFF-delay with control signal PowerMos 3RA2831-1DG10 ON-delay PowerMos 3RA2831-1DH10 ON-delay PowerMos 3RA2832-1DG10 OFF-delay with control signal PowerMos 3RA2832-1DH10 OFF-delay with control signal PowerMos 3RA2813-1AW10 ON-delay...
  • Page 19: Performance Features

    Product description 3.2 Performance features Performance features Features The function modules have the following features: Function module Features Function modules Electronic timing relays ON-delay (1 NO contact) • for direct-on-line with semiconductor OFF-delay with control signal (1 NO contact) • start output Versions with screw-type and spring-loaded connection systems...
  • Page 20: Applications

    Product description 3.3 Applications Applications 3.3.1 Function modules for direct-on-line start Applications The function modules for direct-on-line start are used for the time-delayed switching of contactors. The following function modules are available: ● Electronic timing relay with semiconductor output ● Solid-state time-delay auxiliary switch with 1 CO contact or 1 NC contact/1 NO contact Features of direct-on-line starters The function module for direct-on-line start has the following features: ●...
  • Page 21: Function Modules For Star-Delta (Wye-Delta) Start

    Product description 3.3 Applications 3.3.2 Function modules for star-delta (wye-delta) start Applications The function module for star-delta (wye-delta) start is used to switch from star (wye) to delta operation. Features The function module for star-delta (wye-delta) start has the following features: ●...
  • Page 22 Product description 3.3 Applications 3RA2816-0EW20 function module for contactor assemblies for star-delta (wye-delta) start The function module for plugging into contactor assemblies for star-delta (wye-delta) start for sizes S00, S0, S2 and S3 comprises the following devices: ● 1 basic module with time setting ●...
  • Page 23 Product description 3.3 Applications Note Fitting of auxiliary switches When the 3RA2816-0EW20 function module for star-delta (wye-delta) start is used, the following applies: No more than one 3RH29 lateral auxiliary switch block (product version E03 and higher) may be mounted onto the line contactor (Q11) and onto the star (wye) contactor (Q12). SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 24: 3Ra28 Function Modules

    Product description 3.4 3RA28 function modules 3RA28 function modules Function module for direct-on-line start (electronic timing relays with semiconductor output/solid-state time-delay auxiliary switches) Timing relay attachment Time range selector switch: Sets the time base (1 s, 10 s, 100 s) Operating time adjustment switch: Sets the relative time (5 to 100%) Mechanical plunger:...
  • Page 25: Product Combinations

    The 3RA28 function modules are designed for size S00, S0, S2 and S3 contactors. The operating range of the 3RA28 function modules is 0.85 to 1.1 Us. You can mount the function modules on the front of SIRIUS 3RT2/3RH2 contactors or 3RA24 contactor assemblies.
  • Page 26 Product combinations SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 27: Functions

    Functions Overvoltage protection All function modules feature an integrated varistor which attenuates the contactor coil below. Time-delayed switching of contactors Electronic timing relays with semiconductor output (3RA2811-.CW10 / 3RA2812-.DW10 / 3RA2831-.D.10 / 3RA2832-.D.10) or solid-state time-delay auxiliary switches (3RA2813- ...W10 / 3RA2814-...W10 / 3RA2815-...W10) are used for the time-delayed switching of contactors.
  • Page 28 Functions 5.2 Time-delayed switching of contactors Function charts 3RA2811-.CW10 3RA2831-.DG10 3RA2831-.DH10 3RA2813-.AW10 3RA2813-.FW10 Method of operation The set operating time t starts when the electronic timing relay (3RA2811) with semiconductor output is connected to the supply voltage via A3 (timing relay) and A2 (contactor).
  • Page 29: Off-Delay With Control Signal

    Functions 5.2 Time-delayed switching of contactors 5.2.2 OFF-delay with control signal Contacts Function modules are available with the following contacts: Time-delayed switching of 3RA2812-.DW10 1 semiconductor output (NO contactors contact) 3RA2832-.DG10 1 semiconductor output (NO contact) 3RA2832-.DH10 1 semiconductor output (NO contact) Time-delayed switching of 3RA2814-.AW10...
  • Page 30 Functions 5.2 Time-delayed switching of contactors Method of operation On the electronic timing relay (3RA2812/3RA282), the supply voltage is connected via terminals A3/A4. If the control voltage is connected to start contact B1, the semiconductor will switch through and control the contactor below. The operating time t starts when the start contact is disconnected.
  • Page 31: Off-Delay Without Control Signal

    Functions 5.2 Time-delayed switching of contactors 5.2.3 OFF-delay without control signal Contacts 3RA2815 function modules switch time-delayed auxiliary contacts. They are available with the following contacts: 3RA2815-.AW10: 1 CO contact 3RA2815-.FW10: 1 NC contact and 1 NO contact Time ranges The function modules support time-delayed switching from 0.05 to 100 s.
  • Page 32: Star-Delta (Wye-Delta) Function

    Functions 5.2 Time-delayed switching of contactors 5.2.4 Star-delta (wye-delta) function Contacts The function module (comprising basic module with integrated control logic and 2 coupling modules) has 2 internal NO contacts. Time ranges The start time in star operation can be set between 0.5 and 60 s. The changeover delay is set to a non-adjustable value of ≥...
  • Page 33: Configuration

    Internet. Here, you can gather together all necessary products before the actual configuration process and you can realize complete projects virtually. You can find the "SIRIUS system configurator" on the Internet (http://www.siemens.com/sirius/configurators). SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 34: Configuration

    Configuration 6.2 Configuration Configuration 3RA2811-.CW10 The function module is controlled via the terminal A3 and the internal contacts of the contactor A2. After expiry of the time t, the semiconductor becomes conductive and switches on the contactor Q. Note Contactor coil terminal A1 must not be connected. 3RA2831-.D.10 The 3RA2831 function module is connected to voltage via A3, A4.
  • Page 35 Configuration 6.2 Configuration 3RA2812-.DW10, 3RA2832-.D.10 If the 3RA2812/3RA2832 electronic timing relay with semiconductor output is fitted, the contactor coil is contacted through the timing relay. Note Contactor coil terminals A1 and A2 must not be connected. 3RA2813 The 3RA2813 solid-state time-delay auxiliary switch has the following features: ●...
  • Page 36 Configuration 6.2 Configuration 3RA2814 The 3RA2814 solid-state time-delay auxiliary switch has the following features: ● Voltage is supplied directly through plug-in contact A2 through the contactor's coil terminals and terminal A3 on the timing relay. ● The timing function is activated by switching on the contactor on which the solid-state time-delay auxiliary switch is mounted, via A1 on the contactor coil.
  • Page 37 Configuration 6.2 Configuration 3RA2815-..W10 The 3RA2815 solid-state time-delay auxiliary switch has the following features: ● The voltage is supplied through the plug-in contacts directly via the contactor's coil terminals, parallel to A1/A2. ● The timing function is activated by switching on the contactor on which the solid-state time-delay auxiliary switch is mounted.
  • Page 38 Configuration 6.2 Configuration 3RA2816-0EW20 The 3RA2816 function module for star-delta (wye-delta) start has the following features: ● The voltage is supplied through the plug-in contacts directly via the contactor's coil terminals, parallel to A1/A2. ● The start time in star operation is activated by switching on the contactor. ●...
  • Page 39: Mounting

    You will find further information about the minimum clearances in the appendix entitled "References" under "Manuals - SIRIUS Modular System (Page 74)" in the "SIRIUS - SIRIUS 3RT Contactors/Contactor Assemblies (http://support.automation.siemens.com/WW/view/en/60306557)" manual. SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 40: Mounting

    The minimum clearances and the mounting position are set dependent upon the type of mounting. You can find more information on minimum clearances and the permissible mounting position in the "SIRIUS - SIRIUS 3RT Contactors/Contactor Assemblies" (http://support.automation.siemens.com/WW/view/en/60306557) manual. Mounting SIRIUS 3RA28 function modules DANGER Hazardous Voltage Will Cause Death, Serious Injury or Property Damage Turn off and lock out all power supplying this device before working on this device.
  • Page 41 Mounting 7.3 Mounting ② Attach the function module to the contactor from the front. ③ Push the interlock slide down with a screwdriver (3 mm blade width) until it engages. SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 42: Function Module For Star-Delta (Wye-Delta) Start

    Mounting 7.3 Mounting 7.3.2 Function module for star-delta (wye-delta) start DANGER Hazardous Voltage Will Cause Death, Serious Injury, or Property Damage Turn off and lock out all power supplying this device before working on this device. Prerequisite for mounting the function module for star-delta (wye-delta) start Note To mount the timing relay for star-delta (wye-delta) start you need to disassemble the link modules (which will vary depending on the connection system) used to connect the control...
  • Page 43 Mounting 7.3 Mounting Figure 7-2 Removal of the wiring modules for connecting the control current paths on a contactor assembly for star-delta (wye-delta) start with spring-loaded connections of size S00 Figure 7-3 Removal of the wiring modules for connecting the control current paths on a contactor assembly for star-delta (wye-delta) start with screw-type connections of size S0 SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 44 Mounting 7.3 Mounting Figure 7-4 Removal of the wiring modules for connecting the control current paths on a contactor assembly for star-delta (wye-delta) start with spring-loaded connections of size S0 Figure 7-5 Removal of the wiring modules for connecting the control current paths on a contactor assembly for star-delta (wye-delta) start with screw-type connections of size S2 Note Removal of the wiring modules...
  • Page 45 Mounting 7.3 Mounting Figure 7-6 Removal of the wiring modules for connecting the control current paths on a contactor assembly for star-delta (wye-delta) start with spring-loaded connections of size S2 SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 46 Mounting 7.3 Mounting Mounting the function module for star-delta (wye-delta) start ① Check that the interlock slide is engaged in the uppermost position. ② Release the cover cap on the interface connection. ③ Remove the cover cap for the interface connection from the connector by lifting it up and out. SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 47 Mounting 7.3 Mounting ④ Attach the basic module/coupling module to the contactor from the front. To do this, insert the contacts into the openings on the contactor. ⑤ Push the locking slide down with a screwdriver until it engages. SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 48 Mounting 7.3 Mounting ⑥ Insert the coded module connector into the slot in the correct position from above until the module connector engages in the locking mechanism. ⑦ To complete the process, lock the module connector. Note Fitting of auxiliary switches When the 3RA2816-0EW20 function module for star-delta (wye-delta) start is used, the following applies: No more than one 3RH29 lateral auxiliary switch block (product version E03 and higher) may...
  • Page 49: Disassembly

    Mounting 7.4 Disassembly Disassembly 7.4.1 Function modules for direct-on-line start (solid-state timing relay with semiconductor output/solid-state time-delay auxiliary switch) DANGER Hazardous Voltage Will Cause Death, Serious Injury or Property Damage Turn off and lock out all power supplying this device before working on this device. ①...
  • Page 50 Mounting 7.4 Disassembly ③ Pull the function module toward you and away from the contactor. SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 51: Function Module For Star-Delta (Wye-Delta) Start

    Mounting 7.4 Disassembly 7.4.2 Function module for star-delta (wye-delta) start DANGER Hazardous Voltage Will Cause Death, Serious Injury or Property Damage Turn off and lock out all power supplying this device before working on this device. ① Use a screwdriver to release the locking mechanisms. ②...
  • Page 52 Mounting 7.4 Disassembly ③ Press the screwdriver towards the contactor. ④ Push the interlock slide up with a screwdriver. It is not possible to unlock from below. ⑤ Pull the basic module and the two coupling modules toward you and away from the contactors. SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 53: Replacing The Removable Terminal

    Mounting 7.5 Replacing the removable terminal Replacing the removable terminal DANGER Hazardous Voltage Will Cause Death, Serious Injury or Property Damage Turn off and lock out all power supplying this device before working on this device. ① Press the interlock. ②...
  • Page 54 Mounting 7.5 Replacing the removable terminal ③ Attach the new terminal and press the terminal into the device until the interlock audibly en- gages. SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 55: Connection

    Connection Connecting the function modules for direct-on-line start 8.1.1 Connecting the solid-state timing relay with semiconductor output Connection types The electronic timing relay with semiconductor output is connected via removable terminals with the following connection options: ● Screw-type ● Spring-loaded Connection You will find information on connection of the screw-type and spring-loaded connection terminals in the appendix entitled "References"...
  • Page 56 Connection 8.1 Connecting the function modules for direct-on-line start Note The 3RA2811 timing relay with ON-delay is connected to the contactor coil in series. Contactor coil terminal A1 must not be connected. Note Contactor coil terminals A1 and A2 must not be connected when using the 3RA2831 function module.
  • Page 57: Connecting The Solid-State Time-Delay Auxiliary Switch

    Connection 8.1 Connecting the function modules for direct-on-line start 8.1.2 Connecting the solid-state time-delay auxiliary switch Connection types The solid-state time-delay auxiliary switch is connected via removable terminals with the following connection options: ● Screw-type ● Spring-loaded Connection You will find information about connection of the screw-type and spring-loaded terminals in the "appendix"...
  • Page 58 Connection 8.1 Connecting the function modules for direct-on-line start Description Terminal Circuit diagram 3RA2814-.AW10 18 NO OFF-delay with control 15 NC signal, 1 CO contact 16 NC A3 (+) 3RA2814-.FW10 27 NO OFF-delay with control 28 NO signal, 1 NC contact/1 NO 35 NC contact 36 NC...
  • Page 59: Connecting The Function Module For Star-Delta (Wye-Delta) Start

    Connection 8.2 Connecting the function module for star-delta (wye-delta) start Connecting the function module for star-delta (wye-delta) start Control Control is exclusively via terminals A1 and A2 on the line contactor; no further control circuit wiring is required. Designation Terminal Circuit diagram 3RA2816-0EW20 —...
  • Page 60: Conductor Cross-Sections

    Connection 8.3 Conductor cross-sections Conductor cross-sections 8.3.1 Conductor cross-sections for screw-type connection systems Conductor cross-sections for screw-type connection systems The tables below define the permissible conductor cross-sections for main terminals and auxiliary conductor connections in sizes S00, S0, S2 and S3 for screw-type connection systems.
  • Page 61: Conductor Cross-Sections For Spring-Loaded Connection Systems

    Connection 8.3 Conductor cross-sections 8.3.2 Conductor cross-sections for spring-loaded connection systems Conductor cross-sections for spring-loaded connection systems The tables below define the permissible conductor cross-sections for main terminals and auxiliary conductor connections in sizes S00, S0, S2 and S3 for spring-loaded connection systems.
  • Page 62 Connection 8.3 Conductor cross-sections SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 63: Operation

    Operation Setting the times Setting options for function modules On function modules for direct-on-line start (electronic timing relays with semiconductor output/solid-state time-delay auxiliary switches), use the time range selector switch to set the time base to 1 s, 10 s or 100 s. Use the operating time adjustment switch to set the relative time between 5 and 100% (to support operating times between 0.05 s and 100 s).
  • Page 64 Operation 9.1 Setting the times SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 65: Accessories

    Accessories 10.1 Sealable cover Description Sealable covers are transparent molded-plastic caps with a break-off clip (preset breaking point). You can use a sealable cover to protect 3RA28 function modules against unauthorized operation. Mounting the sealable cover ① Break off the clip on the sealable cover (preset breaking point). ②...
  • Page 66 Accessories 10.1 Sealable cover SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 67: Technical Data

    Technical data in Siemens Industry Online Support Technical data sheet You can also find the technical data of the product at Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/16353/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
  • Page 68 Technical data 11.1 Technical data in Siemens Industry Online Support SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 69: Circuit Diagrams

    Circuit diagrams 12.1 CAx data You can find the CAx data in the Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/16208/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key. 2. Click the "CAx data link.
  • Page 70: Internal Circuit Diagrams

    Circuit diagrams 12.2 Internal circuit diagrams 12.2 Internal circuit diagrams 3RA28 function modules 3RA2811-.CW10 3RA2831-.D.10 ON-delay, semiconductor output ON-delay, semiconductor output 3RA2812-.DW10, 3RA2832-.D.10 OFF-delay with control signal, semiconductor output 3RA2813-.AW10 3RA2813-.FW10 ON-delay, 1 CO contact ON-delay, 1 NC contact, 1 NO contact 3RA2814-.AW10 3RA2814-.FW10 OFF-delay with control signal, 1 CO contact...
  • Page 71: Typical Circuits

    Circuit diagrams 12.3 Typical circuits 12.3 Typical circuits Momentary-contact circuit Figure 12-1 Function module (3RA28), momentary-contact circuit Maintained-contact circuit Figure 12-2 Function module (3RA28), maintained-contact circuit SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 72 Circuit diagrams 12.3 Typical circuits Main circuit Figure 12-3 Circuit diagram, main circuit SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 73: References

    In addition to this manual, please refer to the operating instructions and manuals for any accessories. You can download the relevant documentation from the Internet (http://www.siemens.com/sirius/manuals). Simply enter the article number of the relevant item into the search field. Operating instructions...
  • Page 74: Manuals - Sirius Modular System

    Manuals - SIRIUS Modular System Manuals - SIRIUS Modular System You can download the SIRIUS manuals from the Internet (http://www.siemens.com/sirius/manuals). Simply enter the Article number of the relevant item into the search field. Information about ... Is available in ...
  • Page 75 A.2 Manuals - SIRIUS Modular System Information about ... Is available in ... 3RS1/3RS2 temperature "3RS1/3RS2 Temperature Monitoring Relays" manual • • monitoring relays (http://support.automation.siemens.com/WW/view/en/54999309) (Article number: 3ZX1012-0RS10-1AC1) 3UG48 monitoring relays / "3UG48/3RR24 Monitoring Relays for IO-Link" • • 3RR24 current monitoring (http://support.automation.siemens.com/WW/view/en/68834040)
  • Page 76 References A.2 Manuals - SIRIUS Modular System SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 77: Dimension Drawings

    Dimension drawings CAx data You can find the CAx data in the Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/16208/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key. 2. Click the "CAx data link.
  • Page 78: Dimensions In Mm

    Dimension drawings B.2 Dimensions in mm Dimensions in mm Note All dimensions are specified in mm. Solid-state timing relays with semiconductor output and solid-state time-delay auxiliary switches ① Timing relay (mounted) ② Contactor Figure B-1 Electronic timing relay with spring-loaded terminal Article number 3RT2.1.-2 3RT2.2.-2 (AC)
  • Page 79 Dimension drawings B.3 Solid-state timing relays with semiconductor output and solid-state time-delay auxiliary switches ① Timing relay (mounted) ② Contactor Figure B-2 Electronic timing relay with screw connection Article number 3RT2.1.-1 57.5 3RT2.2.-1 (AC) 3RT2.2.-1 (DC) 3RT2.3.-2 3RT2.4.-2 SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 80: Star-Delta (Wye-Delta) Modules

    Dimension drawings B.4 Star-delta (wye-delta) modules Star-delta (wye-delta) modules ① Star-delta (wye-delta) function module (mounted) ② Contactor ③ Coupling modules ④ Basic module Figure B-3 Star-delta (wye-delta) function module with spring-loaded terminal Article number 3RT2.1.-2 3RT2.2.-2 (AC) 3RT2.2.-2 (DC) SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 81 Dimension drawings B.4 Star-delta (wye-delta) modules ① Star-delta (wye-delta) function module (mounted) ② Contactor ③ Coupling modules ④ Basic module Figure B-4 Star-delta (wye-delta) function module with screw connection Article number 3RT2.1.-1 3RT2.2.-1 (AC) 3RT2.2.-1 (DC) SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 82 Dimension drawings B.4 Star-delta (wye-delta) modules ① Star-delta (wye-delta) function module (mounted) ② Contactor ③ Coupling modules ④ Basic module Table B- 1 Dimensions in mm Size 3RT2.3.-2 177.5 141.5 55.1 222.3 3RT2.4.-2 89.5 69.5 SIRIUS 3RA28 function modules for mounting on 3RT2 contactors Manual, 02/2019, A5E03656507620A/RS-AD/005...
  • Page 83: Index

    Function module for star-delta (wye-delta) start, 24 Accessories - Function modules for mounting on contactors Sealable cover, 65, 65 Siemens Industry Online Support, 10 Function module for direct-on-line start, 24 Applications Function modules for mounting on Function modules for mounting on contactors, 20...
  • Page 84 Index Timing relays Function modules for mounting on Product data sheet, 69, 77 contactors, 22, 34 References, 73 Replacing the terminal block Function modules for mounting on contactors, 53 Scope of validity Manual, 6 Screw-type connection system, 60 Sealable cover Function modules for mounting on contactors, 65, 65 Setting times...

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Sirius 3ra28

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