Page 1 Introduction Safety information Product description Industrial controls Use planning Protection devices SIRIUS 3RB24 electronic overload Configuring relay for IO-Link Parameters Equipment Manual Process image of outputs (PIQ) and inputs (PII) Mounting/removal Connecting Operation Diagnostics Appendix 07/2022 NEB969165602000/RS-AA/003...
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
Operator controls and display elements................25 System components......................27 Accessories ........................30 Technical data........................33 3.7.1 Technical data in Siemens Industry Online Support............. 33 Use planning............................35 Applications........................35 Ambient conditions......................36 Special application cases ....................37 Configuring ............................41 Configuring the IO-Link ......................
Page 4 Outputting an analog signal....................87 10.4 Carrying out self-test......................88 10.5 Performing a reset ......................91 10.5.1 Manual reset........................92 10.5.2 Automatic reset ......................... 93 10.6 Operation using the operator panel..................95 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 5 Measured value - data set (index) 94 ................123 A.3.6 Preset configuration - data set (index) 130................ 124 A.3.7 Technology functions - data set (index) 131 ..............124 References........................126 Index ..............................127 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 6 Table of contents SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 7: Introduction
To install and connect the current measuring module, you require the operating instructions of the current measuring module used. For additional information on the Siemens IO-Link masters, please refer to the respective manuals for the electronic modules 4SI IO-Link and 4SI SIRIUS (IP20) and ET 200eco PN (IP65).
Page 8: Siemens Industry Online Support
Introduction 1.1 Siemens Industry Online Support Siemens Industry Online Support Information and service At Siemens Industry Online Support you can obtain up-to-date information from our global support database: • Product support • Application examples • Forum • mySupport Link: Siemens Industry Online Support (https://support.industry.siemens.com/cs/de/en)
Page 9 • CAx data Easy access to CAx data, e.g. 3D models, 2D dimension drawings, EPLAN macros, device circuit diagrams • My IBase registrations Register your Siemens products, systems and software. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 10: Siemens Industry Online Support App
Siemens Industry Online Support app Siemens Industry Online Support app The Siemens Industry Online Support app provides you access to all the device-specific information available on the Siemens Industry Online Support portal for a particular article number, such as operating instructions, manuals, data sheets, FAQs etc.
Page 11: Support Request
The 3RB24 solid-state overload relays for IO-Link can be recycled, as they are low in pollutants. For environmentally-friendly recycling and disposal of your electronic waste, please contact a company certified for the disposal of electronic waste. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 12 Introduction 1.3 Support Request SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 13: Safety Information
In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Products and solutions from Siemens constitute one element of such a concept. Customers are responsible for preventing unauthorized access to their plants, systems, machines and networks.
Page 14 The devices may only be used for the applications described in the catalog and the technical description, and only in conjunction with equipment or components from other manufacturers which have been approved or recommended by Siemens. This product can function correctly and reliably only if it is transported, stored, assembled, and installed correctly, and operated and maintained as recommended.
Page 15 • Always place electrostatic sensitive devices on conductive bases. • Always store and transport electronic modules or components in ESD-safe conductive packaging, e.g. metallized plastic or metal containers. Leave the component in its packaging until installation. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 16: Requirements For Switching High-Efficiency Motors
All SIRIUS protection devices and switchgear that are subject to the IEC 60947‑4‑1 product standard meet the increased requirements in accordance with utilization category AC‑3e and are suitable for use with high-efficiency motors. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 17: Voltages
Voltage specification Ue in the Line system configurations Equipment Manual Three-phase four-wire systems Three-phase three-wire systems 230 / 400 260 / 440 400 / 690 1000 1000 (3RB2956 and 3RB2966) -- not specified SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 18: Notes On The Protection Of Device Connections
If, for example, device connections for the control supply voltage, the supply voltage, or digital inputs/digital outputs are not connected to self-limiting current sources or energy sources, you can find the relevant information in the Equipment Manual or the technical data sheet. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 19: Product Description
(wye-delta) starter. It is possible to read out diagnostics data, such as the current, via IO‑Link and to further process this data in the higher-level controller. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 20: System Structure
System structure The following graphic illustrates the design principle of a system. ① Evaluation module 3RB2483‑4A .1 ② Current measuring module 3RB29.6‑2... ③ Connecting cable 3RB2987‑2. Figure 3-1 System structure SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 21 Product description 3.2 System structure You can find information on the evaluation module, current measuring module, and connecting cables in the Chapter "Accessories (Page 30)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 22: Functions
The break time depends on the ratio of the tripping current to the rated operational current I and is stored in the form of a tripping characteristic SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 23 Ground fault detection can be enabled or parameterized in the solid-state overload relay when using with motors with 3‑conductor connection (without N connection). Ground fault detection is disabled in the delivery state. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 24 Fault message (no further response possible) not pending not detected Device ready for service No fault message You can find further information on residual current detection in the Chapter "IO-Link diagnostics (Page 106)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 25: Operator Controls And Display Elements
A continuous red light signals an active overload trip; a flickering red light signals an imminent trip (overload warning). ⑧ Red "THERMISTOR" LED: A continuous red light signals an active thermistor trip. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 26 (Page 104)" and Chapter "IO-Link diagnostics (Page 106)". Figure 3-2 Operator controls and display elements of the evaluation module Note Connection of the solid-state overload relay for IO‑Link is described in Chapter "Connecting (Page 71)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 27: System Components
Solid-state overload relay for IO‑Link: 1 x evaluation module with spring- loaded terminals 3RB2906‑2BG1 1 x current measuring module (0.3 to 3 A) 3RB2906‑2DG1 1 x current measuring module (2.4 to 25 A) SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 28 200 A) for contactors of size S6 with busbar connection 3RB2966‑2WH2 1 x current measuring module (63 to 630 A) 3UF1868-3GA00 1 x series transformer (820 A / 1 A) SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 29 The connecting cable 3RB2987‑2B for linking the evaluation module and the current measuring module is only to be used when the evaluation module is mounted direct on the current measuring module. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 30: Accessories
Box terminal blocks 3RT1956‑4G Box terminal blocks for ribbon cable conduc‐ tors to 120 mm (size S6) 3RT1966‑4G Box terminal blocks for ribbon cable conduc‐ tors to 240 mm (size S10/S12) SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 31 IO‑Link, an additional voltage supply is not required. You can find more information on using the operator panel in Chapter "Operation using the operator panel (Page 95)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 32 Scope of supply Image 3UF7933-0BA00-0 1 x connecting cable 10-core to 10- core, length 2.5 m (round) for oper‐ ator panel 3RA6936-0A 1 x enabling module 3RA6936-0B 5 x interface cover SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 33: Technical Data
3.7.1 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/16269/td). 1. Enter the full article number of the desired device in the "Product" field, and confirm with the Enter key.
Page 34 Product description 3.7 Technical data SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 35: Use Planning
If single-phase AC motors are to be protected with the 3RB24 solid-state overload relay for IO‑Link, the main circuits of the current measuring modules must be switched in series. You can find more information in Chapter "Replacing the removable terminals (Page 74)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 36: Ambient Conditions
–25 °C to +60 °C according to IEC/EN 60947‑4‑1. You can obtain configuring information for using the devices under ‑25 °C or over +60 °C on request on the Internet (www.siemens.com/industrial-controls/technical-assistance). SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 37: Special Application Cases
3RB29 current measuring module of the 3RB24 solid- state overload relay. You can find a connection example in the Chapter "Circuit diagrams (Page 115)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 38 The transferred value of 1 A corresponds to an actual current of 820 A when using the external 3UF1868‑3GA00 current transformer with a transformation ratio of 820 at rated operational current. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 39 Representation of the current values of the 3RB24 solid-state overload relay for IO-Link (the actual image may deviate from this example). Figure 4-1 SIMATIC WINCC flexible 2008 for the 3RB24 solid-state overload relay for IO-Link SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 40 Use planning 4.3 Special application cases SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 41: Configuring
• Application-specific name: V1.0: 64 bytes max./V1.1: 32 bytes max. • IO-Link device LED: V1.0: green/V1.1: Green blinking • Device ID: V1.0: 0x00/V1.1: 0x01 • Parameter server functionality: V1.0: not available/V1.1: available SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 42: Configuring With Step 7 And The S7-Pct Port Configuration Tool
2. With the Port Configuraton Tool S7-PCT , you configure the connected IO‑Link‑Devices. Note The block library for IO-Link (LIOLink) is available as download in the Siemens Industry Online Support (SIOS) via the following link: Library for IO-Link (LIOLink) (https:// support.industry.siemens.com/cs/ww/en/view/82981502)
Page 43: Configuration
Configuring with the S7-PCT port configuration tool (stand-alone) 5.1.3.1 Application Configuration is always done with the S7‑PCT Port Configuration Tool whenever no SIMATIC CPU is available and a SIMATIC IO‑Link master is being used. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 44: Basic Procedure And Prerequisites
To be able to access the IO-Link master or an IO-Link device online, communication between the ET 200 and the higher-level controller must be active (BF LED on ET 200 interface module is off). SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 45: Block Library For Io-Link (Liolink)
IO-Link master via the S7 program (master exchange without engineering tool) Device-specific blocks for simple communication with IO-Link devices The library for IO-Link is available as download in the Siemens Industry Online Support (SIOS) via the following link: Library for IO-Link (LIOLink) (https://support.industry.siemens.com/cs/ww/en/view/82981502)
Page 46: Replacing An Io-Link Device According To The Io-Link Communication Specification V1.0
LIOLink_Device function block. Refer to the Appendix "Data sets (Page 119)" for data records to be backed up in the case of a module. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 47: Replacing An Io-Link Device According To The Io-Link Communication Specification V1.1
Spezifikation V1.1 are available, the "parameter server" function can be used to automatically back up parameter data. When devices are replaced, this parameter data is written back to the new IO‑Link device automatically on system startup. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 48 Configuring 5.1 Configuring the IO-Link SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 49: Parameters
• Response to overload - thermal motor model • Response to overload - thermistor • Thermistor - monitoring • Cold start • Ground fault detection • Operator panel available • Operation at Preset <> Actual Configuration SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 50 6.1 Parameters This parameter can also be set without connected voltage and is described in detail in Chapter "Operation (Page 81)". The parameters accessible via IO‑Link are shown below. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 51: Cold Start" Parameter
"Cold start" parameter Value Description Default setting Cold start:Disable Disable Cold start: Enable — The "Cold start" parameter can only be modified via IO‑Link. It cannot be adjusted at the device. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 52: Ground Fault Detection" Parameter
The response delay is 0.5 to 1 s. Tripping area 10 x I motor Ground fault current Tripping current at ground fault trip_GF Figure 6-1 Tripping Area (ground fault protection) SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 53: Rated Operational Current" Parameter
Note The absolute value of the rated operational current can be read out via IO‑Link for documentation purposes, for example. This value cannot be set or modified via IO‑Link. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 54: Trip Class [Class]" Parameter
"Setting the current (rated operational current) and trip class (Page 81)". Note The set trip class can be read out via IO‑Link for documentation purposes, for example. This value cannot be set or modified via IO‑Link. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 55: Response To Overload - Thermal Motor Model" Parameter
The "Response to overload - thermal motor model" parameter can be read out via IO‑Link for documentation purposes, for example. This parameter cannot be set or modified via IO‑Link. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 56: Response To Overload - Thermistor" Parameter
Chapter "Performing a reset (Page 91)". Note The "Response to overload - thermistor" parameter can be read out via IO‑Link for documentation purposes, for example. This parameter cannot be set or modified via IO‑Link. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 57: Thermistor - Monitoring" Parameter
(Page 86)". Note The "Thermistor - monitoring" parameter can be read out via IO‑Link for documentation purposes, for example. This parameter cannot be set or modified via IO‑Link. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 58: Operation With Operator Panel
If the value of the "Operation at Preset <> Actual Configuration" parameter is set to "Disable", the solid-state overload relay can only be operated if the setting of the "Operator panel available" SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 59 By contrast, the diagnostics message "Preset <> Actual Configuration" can have different causes: • The condition of the "Operator panel available" parameter is not fulfilled. • Communication with current measuring module faulty. • An incorrect current measuring module is connected. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 60 Parameters 6.9 Operation with operator panel SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 61: Process Image Of Outputs (Piq) And Inputs (Pii)
Bit is set if the device is close to a trip (thermal motor model) (LED OVERLOAD flashing) or if the device is carrying out a self-test. DI0.4 Reserved — DI0.5 Reserved — SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 62 Table 7-3 Examples of evaluation of the 6-bit value Irated 200 A 200 A 200 A 200 A 6-bit value 200 A 275 A 393.75 A 1.38 1.97 rated SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 63: Mounting/Removal
The current measuring modules in size S00 / S0 and S2 / S3 are designed for stand-alone installation. The current measuring modules in size S6 and S10 / S12 are suitable for stand-alone installation and mounting onto contactors. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 64: Mounting Position
Mounting/removal 8.2 Mounting position Mounting position Mounting position Arbitrary mounting position of the solid-state overload relay for IO-Link. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 65: Snapping Onto/Off Din Rail (Snap-On Mounting)
To remove, push the evaluation module against the pressure of the securing spring and swing it out. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 66: Screw Mounting
You can find information on the drill hole dimensions in Appendix "Dimension drawings (dimensions in mm) (Page 109)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 67: Mounting The Sealing Cover
Insert the sealing cover into the openings on the evaluation module. Fold the sealing cover up. Insert the clip into the opening until it en‐ gages. Seal the clip to secure it against unauthor‐ ized removal. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 68: Inserting The Interface Cover
The illustration below shows how to assemble the interface cover. Step Instruction Image 1 / 2 / 3 Insert the interface cover into the slot from the front until it engages in the locking mechanism. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 69: Installing An Operator Panel
In order to guarantee the IP54 tightness and correct functionality of the operator panel, ensure that the tightening torque of the screws selected is not excessive when tightening the enclosed screws. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 70 IO‑Link. Note Use the interface covers to close unused interfaces. This prevents damage or contamination to the interfaces. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 71: Connecting
1 x (0.5 to 4) mm 2 x (0.5 to 2.5) mm 1 x (0.5 to 2.5) mm 2 x (0.5 to 1.5) mm 2 x (20 to 14) SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 72 Please refer to the table for the conductor cross-sections and stripping lengths. Table 9-2 Conductor cross-sections for spring-loaded terminals Type of connection Conductor cross-section (3.0 x 0.5) mm 2 x (0.25 … 1.5) mm 2 x (0.25 … 1.5) mm SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 73 Connecting 9.1 Connection via terminals Type of connection Conductor cross-section 2 x (0.25 … 1.5) mm 2 x (24 to 16) SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 74: Replacing The Removable Terminals
Step Instruction Image Press the interlock. Remove the terminal. 3 / 4 Attach the new terminal and press the terminal into the device until the inter‐ lock audibly engages. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 75 Protection of single-phase motors The graphic below shows the main current connection for single-phase operation. Note Protection of single-phase motors is not possible in conjunction with internal ground fault detection! SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 76 Connecting 9.2 Replacing the removable terminals Figure 9-2 3RB2906-2.G1, 3RB2956-2TG2 Figure 9-3 3RB2956-2TH2, 3RB2966-2WH2 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 77: Connecting The Solid-State Overload Relay For Io-Link
C / Q. I(-) I(+) SIRIUS DEVICE / IO-LINK GND FAULT THERMISTOR OVERLOAD CLASS/I RESET AUTO 10 5 TEST/ RESET 3RB2483-4AA1 G/JJMMTT *Exx* Figure 9-4 Connection to IO-Link master SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 78 I(-) I(+) SIRIUS DEVICE / IO-LINK GND FAULT THERMISTOR OVERLOAD CLASS/I RESET AUTO 10 5 TEST/ RESET 3RB2483-4AA1 G/JJMMTT *Exx* Figure 9-5 Direct voltage supply with 24 V DC SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 79 You can find more information in Chapter "References (Page 126)" Terminal labels and notes on the protection of device connections 24 V DC supply volt‐ You can find the technical specifications of the product 3RB24 in the Siemens Industry Online Support (https://support.industry.siemens.com/cs/ww/en/ps/16281/td). Ground 24 V DC Connection for IO- No additional measures are required for short-circuit protection.
Page 80 Connecting 9.3 Connecting the solid-state overload relay for IO-Link Changeover con‐ You can find the technical specifications of the product in the Siemens Industry Online Support tact Q2 - NC contact (https://support.industry.siemens.com/cs/ww/en/ps/16281/td). Switching contact Q1 - NO contact Changeover con‐...
Page 81: Operation
(CLASS / I Figure 10-2 Setting the rated operational current I of the motor (e.g. 90%) SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 82 If the current set on the evaluation module does not match the current range of the connected current transformer, a diagnostics message results. You can find more information on the errors in Chapter "Fault codes (only in the case of non- acknowledgeable faults) (Page 104)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 83 Tripping times Trip class Tripping time CLASS 5 3 ... 5 s CLASS 10 5 ... 10 s CLASS 20 10 ... 20 s CLASS 30 20 ... 30 s SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 84 To minimize the temperature rise of the load in the case of a phase failure during single-phase operation, the 3RB24 solid-state overload relay for IO‑Link has a phase failure detection feature. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 85 It is for this reason that the tripping time of the 3RB24 solid-state overload relay is reduced to approximately 30% following prolonged loading with the rated operational current SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 86: Activating/Deactivating Thermistor Protection
10 Ω in the case of a short-circuited thermistor. Note The "Thermistor - monitoring" parameter can be read out via IO‑Link for documentation purposes, for example. This parameter cannot be set or modified via IO‑Link. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 87: Outputting An Analog Signal
Table 10-2 Example Feature Value Maximum output current 20 mA Terminals I(+) and I(-) Maximum load 100 Ω Accuracy + / - 5 % Short-circuit-proof and open circuit-proof SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 88: Carrying Out Self-Test
After acknowledgment of the test, you must switch the relays on again manually. The reset mode of the device (automatic reset/manual reset), and the switching signals pending from the controller (DO 0.0 and D0 0.1) are irrelevant. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 89 In automatic mode (control via IO-Link), the relay control commands DO 0.0 / DO 0.1 are accepted again. The graphic below represents the chronological sequence of the test phases: Figure 10-6 Chronological sequence of the test phases SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 90 Relay Q1 and Q2 remain in the drop-out state. Clockwise rotation Relay Q1 is in the pick-up state. Counter-clockwise rotation Relay Q1 and Q2 are in the pick-up state. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 91: Performing A Reset
Current flow in operating mode "Cold start" ✓ — Connection abort in manual mode of the operator ✓ ✓ panel SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 92: Manual Reset
Make sure that the machine danger zone is kept clear of people at the time of restarting. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 93: Automatic Reset
3. Recovery time following other faults: With all other faults, the overload relay is capable of reclosing as soon as the fault has been removed. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 94 • Continuous pressing of the SF/RESET button at the connected operator panel • Continuously active trip reset command from the controller Note The cause of the fault must be removed before the RESET. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 95: Operation Using The Operator Panel
The representation below explains the operator controls and display elements of the operator panel. Note Enable signals from the enabling module The operator controls of the operator panel only function if the enabling module is plugged in. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 96 - Off: Communication between the solid-state overload relay and the operator panel is functioning properly. (10) DEVICE LED The DEVICE LED indicates whether the operator panel is ready to run: - Green: Operator panel is ready to run. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 97 - SF LED is off: No group error. 2. Check whether a non-acknowledgeable error is present: - FAULT LED flashes: Non-acknowledgeable error present - FAULT LED is off: No system error SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 98 1 (clockwise) and - The button for direction of rotation 2 (counter-clockwise). 2. Hold the button pressed while activating. Activation stops as soon as you release the button. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 99 People may be injured if they stay in the danger area of the machine. Make sure that the danger area of the machine is kept clear of people. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 100 Operation 10.6 Operation using the operator panel SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 101: Diagnostics
User test See Chapter "Carrying out self-test (Page 88)" Device not ready a) IO‑Link voltage failure DEVICE / IO‑LINK: 95/96 open dark 95/98 open SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 102 • In 3-pole operation with a maximum unbalance ≤ 40%: from 1.14 x I • In 1-pole and 2-pole operation with a maximum unbalance > 40%: 0.85 x I SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 103: Auxiliary Contacts
Can result in death, serious injury, or property damage. Automatic mode must not be used in applications where there is a risk of serious injury to persons or substantial damage to property from an unexpected restart. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 104: Fault Codes (Only In The Case Of Non-Acknowledgeable Faults)
An invalid current measuring module has been detected. Connect the 3RB29.. cur‐ rent measuring module. You can find the suitable current measuring mod‐ ules in Chapter "System components (Page 27)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 105 Internal fault: Return the device to the An internal fault has been detected. manufacturer. Reset possible by switching off the control voltage supply and disconnecting the IO‑Link supply voltage. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 106: Io-Link Diagnostics
Defective fuse in the main circuit. • Replace the fuse in the main circuit. there is no current flow.) • Defective relay in the overload relay. • Replace the overload relay. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 107 Manual mode connection abort (oper‐ 0x8CA9 — ator panel) Process image error 0x8CBA — Self-test error 0x8CA9 — Preset <> actual configuration 0x8CB0 — Cold start tripping 0x8CB8 — SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 108 GE = Group error: You can obtain detailed information via diagnostics data set 92 (see "Diagnostics - data set (index) 92 (Page 121)"). x: Bit set —: Bit not set SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 109: Appendix
Dimension drawings (dimensions in mm) The dimension drawings below show the evaluation module with the different connection methods: screw-type and spring-loaded. 3RB2483‑4AA1 Figure A-1 Evaluation module 3RB2483‑4AA1 (screw-type connection) SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 110: Current Measuring Module
Evaluation module 3RB2483‑4AC1 (spring-loaded connection) A.1.1 Current measuring module A.1.1.1 Current measuring module 3RB2906-2BG1 and 3RB2906-2DG1 The following dimension drawings show the different versions of the current measuring modules. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 111: Current Measuring Module 3Rb2906-2Jg1
A.1 Dimension drawings (dimensions in mm) Current measuring module 3RB2906-2BG1 and 3RB2906-2DG1 Figure A-3 Current measuring module 3RB2906-2BG1, 3RB2906-2DG1 A.1.1.2 Current measuring module 3RB2906-2JG1 Current measuring module 3RB2906-2JG1 Figure A-4 Current measuring module 3RB2906-2JG1 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 112: Current Measuring Module 3Rb2956-2Tg2
Appendix A.1 Dimension drawings (dimensions in mm) A.1.1.3 Current measuring module 3RB2956-2TG2 Current measuring module 3RB2956-2TG2 Figure A-5 Current measuring module 3RB2956-2TG2 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 113: Current Measuring Module 3Rb2956-2Th2
Appendix A.1 Dimension drawings (dimensions in mm) A.1.1.4 Current measuring module 3RB2956-2TH2 Current measuring module 3RB2956-2TH2 Figure A-6 Current measuring module 3RB2956-2TH2 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 114: Current Measuring Module 3Rb2966-2Wh2
Appendix A.1 Dimension drawings (dimensions in mm) A.1.1.5 Current measuring module 3RB2966-2WH2 Current measuring module 3RB2966-2WH2 60.5 Figure A-7 Current measuring module 3RB2966-2WH2 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 115: Circuit Diagrams
The solid-state overload relay for IO‑Link is connected to the current measuring module by a ribbon cable (3RB2987‑.). Direct-on-line start/star-delta (wye-delta) start Note Star-delta (wye-delta) starters must be activated by the solid-state overload relay for IO‑Link as direct-on-line starters. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 116 FAULT 3RB2987-2... THER- Ground ault OVER- LOAD T1 T2 T3 T1 T2 I(+) REMOTE- 4-20 mA U V W RESET Figure A-9 Sample circuit diagram direct-on-line start/star-delta (wye-delta) start SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 117 T1 T2 T3 T1 T2 T3 T1 T2 I(+) REMOTE- 4-20 mA U V W RESET ϑ Figure A-10 Example circuit: current measuring with an external 3UF1868 current transformer SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 118 5, 10, 20, 30 FAULT 3RB2987-2... THER- Ground ault OVER- LOAD T1 T2 T3 T1 T2 I(+) REMOTE- 4-20 mA U V W RESET Figure A-11 Sample circuit diagram reversing start SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 119: Data Sets
0x01 (1) Master Cycle Time — 0x02 (2) Min. Cycle Time 0x17 0x03 (3) Frame Capability 0x03 0x04 (4) IO-Link Revision ID 0x10 0x05 (5) Process data IN 0x10 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 120: Identification Data
SIRIUS Overload Relays IO‑Link — 0x13 (19) Product ID 3RB2483-4A*1 — 0x14 (20) Product text — — 0x15 (21) Serial number Serial number — 0x16 (22) Hardware revision Hardware version SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 121: Diagnostics - Data Set (Index) 92
0.0 ... 0.3 Reserved Switching element defective Reserved Group error General warning Reserved Thermistor overload Thermistor wire break Thermistor short-circuit Thermal motor model overload Overload tripping 2.5 ... 2.7 Reserved Reserved SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 122 24.4 ... 24.7 Reserved GE = Group error GW = General warning For additional information, please refer to " Process image of outputs (PIQ) and inputs (PII) (Page 61) " chapter. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 123: Measured Value - Data Set (Index) 94
• Phase current I (L1 in 0.01-A steps) = 0x7FFFFFFF • Phase current I (L2 in 0.01-A steps) = 0x7FFFFFFF • Phase current I (L3 in 0.01-A steps) = 0x7FFFFFFF SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 124: Preset Configuration - Data Set (Index) 130
Technology functions - data set (index) 131 Data set (index) 131 - technology functions Note Bits that are not described in the tables below are reserved and should be ignored. SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 125 Chapter ""Response to overload - thermal motor model" parameter (Page 55)". You can find more information on the "Response to overload - thermistor" parameter in Chapter ""Response to overload - thermistor" parameter (Page 56)". SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 126: 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 (www.siemens.com/automation/csi/manual). Simply enter the order number of the relevant item into the search field. Operating instructions...
Page 127: Index
Ground fault detection, 23, 37 Accessories - current measuring modules, 30 Ground fault protection, 23, 52 Accessories - evaluation module, 30, 32 Overload protection, 22, 37 Heavy starting, 35 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...
Page 128 Required basic knowledge, 7 Scope Manual, 7 Screw terminals, 71 Short-circuit protection, 22 Single-phase AC motor, 35 Solid-state overload relay for IO-Link Contactor assembly for star-delta (wye-delta) start, 37 Spring-loaded terminals, 72 SIRIUS 3RB24 electronic overload relay for IO-Link Equipment Manual, 07/2022, NEB969165602000/RS-AA/003...

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