WAGO 2789-9052 Product Manual
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WAGO 2789-9052 Product Manual

Modbus tcp communication module
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Communication Modules
Modbus TCP Communication Module
2789-9052
Product manual | Version 1.0.0

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Summary of Contents for WAGO 2789-9052

  • Page 1 Communication Modules Modbus TCP Communication Module 2789-9052 Product manual | Version 1.0.0...
  • Page 2 We wish to point out that the software and hardware terms as well as the trademarks of companies used and/or mentioned in the present manual are generally protected by trademark or patent. WAGO is a registered trademark of WAGO Verwaltungsgesellschaft mbH. Product manual | Version: 1.0.0 Modbus TCP Communication Module...

  • Page 3: Table Of Contents

    2789-9052 Table of Contents Table of Contents Provisions......................... 5 Intended Use ...................... 5 Typographical Conventions.................. 6 Legal Information .................... 8 Safety .......................... 9 General Safety Rules .................... 9 Electrical Safety.......................  9 Mechanical Safety .................... 9 Thermal Safety ......................  10 Indirect Safety .......................  10 Properties ........................ 11...
  • Page 4 2789-9052 Module Parameters .................... 19 General Module Parameters ................  19 4.3.1 Specific Module Parameters of the WAGO Power Supply Pro 2 .... 20 4.3.2 Events and Measured Values for WAGO Power Supply Pro 2 .... 22 4.3.3 Internal Module Parameters .................  24 4.3.4...

  • Page 5: Provisions

    2789-9052 Provisions Provisions This documentation applies to Modbus TCP Communication Module (2789-9052). Note Observe the applicable documentation! This product must only be installed and operated according to the instructions of the com- plete Instructions for use. Knowledge of the complete Instructions for use is required for proper use.

  • Page 6: Typographical Conventions

    The terms set forth in the General Business and Contract Conditions for Delivery and Service of WAGO GmbH & Co. KG and the terms for software products and products with integrated software stated in the WAGO Software License Contract – both available at ü www.wago.com...
  • Page 7 2789-9052 Provisions 2. Action step ð This symbol identifies an intermediate result. ð This symbol identifies the result of an action. Lists • Lists, first level – Lists, second level Figures Figures in this documentation are for better understanding and may differ from the actual product design.

  • Page 8: Legal Information

    Third-party products are always mentioned without any reference to patent rights. WAGO GmbH & Co. KG, or for third-party prod- ucts, their manufacturer, retain all rights regarding patent, utility model or design registra- tion.

  • Page 9: Safety

    2789-9052 Safety Safety This section contains safety regulations that must be observed for the safe use of the product. The following content is aimed at the following target groups: • Planners and installers • Operators • Qualified assembly personnel • Qualified installation personnel (electrical installation, technician network installation etc.)

  • Page 10: Thermal Safety

    ü www.wago.com/<item number>. • The product contains no parts that can be serviced by the user. Always have all ser- vice, maintenance and repair work performed by specialists authorized by WAGO. Product manual | Version: 1.0.0 Modbus TCP Communication Module...

  • Page 11: Properties

    • HTTPS with TLS 1.3 The integrated switch with two external RJ-45 ports allows the setup of a line topology without additional infrastructure elements, e.g., switches or hubs. For example a WAGO Power Supply Pro 2, firmware version 01.04.xx or higher. Pending 3.2 View Figure 1: View...

  • Page 12: Type Label

    Properties 2789-9052 3.3 Type label The type label for the product is attached to the back of the housing. It contains the fol- lowing information: Figure 2: Type label Table 4: Legend for Figure “Type label” Position Comment For Details, See Area Company logo and address –...

  • Page 13: Connections

    2D data matrix code Contains the information for positions 2 … 5 Key number Fixed information (37S) ID number per D-U-N-S® Fixed information (WAGO Minden) WAGO item number or internal SAP number Product-specific Consecutive number Product-specific Production date and revision • Production date •...

  • Page 14: Indicators

    Properties 2789-9052 Description not assigned Receive Data - not assigned not assigned 3.6 Indicators The product has an optical status indicator. This indicator consists of six LEDs. COM OK LNK/ACT1 SPEED1 LNK/ACT2 SPEED2 Figure 5: Optical status indication Table 8: Operating Status Indication...

  • Page 15: Technical Data

    Protection type IP20 When using the Modbus TCP Communication Module in combination with a WAGO Power Supply Pro 2, which is approved for a maximum ambient temperature of +70 °C, a maximum ambient temperature of +55 °C must not be exceeded during operation.

  • Page 16: Guidelines, Approvals And Standards

    Properties 2789-9052 3.9 Guidelines, approvals and standards 3.9.1 Guidelines An EU “Declaration of Conformity” and CE marking exist for the product: Table 13: Guidelines Logo Explanation Verification ü WAGO website CE marking 3.9.2 Approvals The following approvals have been granted for the product: Table 14: Approvals...

  • Page 17: Special Requirements

    2789-9052 Properties Standard Title EN 61000-4-5 Part 4-5: Testing and measurement techniques – Surge immunity test EN 61000-4-6 Part 4-6: Testing and measurement techniques – Immunity to conducted dis- turbances, induced by radio-frequency fields * If there is interference, there may be performance deviations.

  • Page 18: Fieldbus Description

    MAC address. 4.2 Communication Module 4.2.1 Function Codes The Modbus specification defines various function codes (FC). The following three func- tion codes are supported by all products in the “WAGO Power Supply Pro 2“ Series: Table 18: Function Codes Designation Description Read Holding Register Reads the parameters from the product.

  • Page 19: Exception Codes

    2789-9052 Fieldbus Description 4.2.2 Exception Codes Exception Codes acc. Modbus specification (“Frame Exceptions”): Table 19: Exception Codes Code Designation Description 0x01 Illegal Function Function is not supported 0x02 Illegal Data Address Parameter not available at this address. 0x03 Illegal Data Value Parameter length invalid;...

  • Page 20: Specific Module Parameters Of The Wago Power Supply Pro 2

    4.3.2 Specific Module Parameters of the WAGO Power Supply Pro 2 The Modus TCP communication module uses the following general parameters of a sub- ordinate WAGO Pro 2 Power Supply. These parameters can be read and written using the function codes FC3 and FC16.

  • Page 21: Table 24 Parameter - Electronic Circuit Breaker Mode

    2789-9052 Fieldbus Description Address Access Data Type Description Dec. Hex. Bit 13 PowerBoost Bit 14 TopBoost Bit 15 reserved 008B read/write UNIT16 Switch-on delay (unit: ms) 1) These bits are mutually interlocked. “Electronic Circuit Breaker” Mode Table 24: Parameter – Electronic Circuit Breaker Mode...

  • Page 22: Events And Measured Values For Wago Power Supply Pro 2

    1) These bits are mutually interlocked. 4.3.3 Events and Measured Values for WAGO Power Supply Pro 2 The Modbus TCP communication module outputs the WAGO-specific events and mea- sured values listed below. These events and measured values can be read using the function codes FC3 and FC4.

  • Page 23: Table 28 Events And Measured Values - Process Input Data

    2789-9052 Fieldbus Description Process Output Data Table 28: Events and Measured Values – Process Input Data Address Data Type Description Dec. Hex. Dec. Hex. 1280 0x0500 0 0x0000 UNIT16 Output voltage (unit: mV) 1281 0x0501 1 0x0001 UNIT16 Output current (unit: mA) Status messages Table 29: Events and Measured Values –...

  • Page 24: Internal Module Parameters

    Fieldbus Description 2789-9052 Power/Energy Table 32: Events and Measured Values – Power/Energy Address Data Type Description Dec. Hex. Dec. Hex. 1286 0x0506 0x0006 UNIT32 Output power (unit: W) 1288 0x0508 0x0008 UNIT32 Output level for the previous second (unit: Ws) 1290...

  • Page 25: Table 35: Internal Module Parameters - Switch Settings For Channel 1

    2789-9052 Fieldbus Description Address Access Data Description Value Limits Type Dec. Hex. Factory Settings min max 0xFD7C 64892 read/write CHAR[4] IP address of the SNTP server 192 168 1 109 Switch Settings for Channel 1 Table 35: Internal Module Parameters – Switch Settings for Channel 1...
  • Page 26 Fieldbus Description 2789-9052 Address Access Data Description Value Limits Type Dec. Hex. Factory Settings min max 0xFE09 65033 read/write UINT16 Synchronization mode (1 = off, 2 = Read time from the lower-level de- vice, 4 = Write time from module, 8 = Update time with SNTP) Product manual | Version: 1.0.0...

  • Page 27: Transport And Storage

    2789-9052 Transport and Storage Transport and Storage The original packaging offers optimal protection during transport and storage. • Store the product in suitable packaging, preferably the original packaging. • Only transport the product in suitable containers/packaging. • Make sure the product contacts are not contaminated or damaged during packing or unpacking.

  • Page 28: Installation And Removal

    Mounting Figure 6: Mounting Install the product by snapping it onto the WAGO Power Supply Pro 2 (see Figure “Instal- lation”): 1. Remove the cap of the communication interface on the WAGO Power Supply Pro 2.
  • Page 29 Installation and Removal Removal Figure 7: Removal 1. Press the top locking tab (a) of the product [C]. 2. Pivot the product to remove it from the WAGO Power Supply Pro 2 [D]. Product manual | Version: 1.0.0 Modbus TCP Communication Module...

  • Page 30: Commissioning

    2789-9052 Commissioning 7.1 Preparation • Install the Modbus TCP Communication Module on a subordinate WAGO Power Sup- plies Pro 2 (Firmware 01.04 or higher). • Connect the Modbus TCP Communication Module to a computer via a network cable and integrate it into a network.

  • Page 31: Setting A Fixed Ip Address

    2789-9052 Commissioning Note IP addresses obtained via DHCP server are only valid temporarily! Note that an IP address obtained via a DHCP server is only valid for a limited period of time. If the DHCP server is not available after the service life has elapsed, the fieldbus node releases the IP address and can then no longer be reached! 7.2.2 Setting a Fixed IP Address...

  • Page 32: Setting The Ip Address With The Reset Button

    Commissioning 2789-9052 7.2.2.2 Setting the IP Address with the Reset Button Press the reset button for 8 seconds until the “COM OK” LED lights up briefly. Release the button. The Modbus TCP Communication Module reboots and the following network settings are made: •...

  • Page 33: Operation

    2789-9052 Operation Operation 8.1 Operating the Reset Button You can reset the product using the reset button. The following settings options are available: Table 39: Operating the Reset Button Settings Option Description Signaling via Optical Status Display Press the reset button for 8 sec- Disables DHCP and sets the IP address to COM OK flashes once.

  • Page 34: Configuration

    Configuration 2789-9052 Configuration 9.1 Configuration with the Web-Based Management System Using the Web-Based Management System (WBM), you can view parameters and mea- sured values of the communication module and the subordinate product and make changes via a Web browser. 9.1.1 “Dashboard” Page Figure 9: WBM “Dashboard”...

  • Page 35: Connection

    2789-9052 Configuration 9.1.1.3 Connection Display of the status of the connection to the subordinate device • Green: Connection established • Red: Connection interrupted 9.1.1.4 “Module Information” Page Figure 10: WBM “Module Information” Page Display or change of the parameters of the communication module Product manual | Version: 1.0.0...

  • Page 36: Module Settings" Page

    Configuration 2789-9052 9.1.2 “Module Settings” Page Figure 11: WBM “Module Settings” Page 9.1.2.1 General Settings (ETHERNET Settings) Display or change of the network settings of the module 9.1.2.2 Switch Settings (Channel1), Switch Settings (Channel2) • Enable Auto Negotiation – Auto Negotiation allows the UTP link partners (Unshielded Twisted Pair) to select the best common operating mode in accordance with Clause 28 of the IEEE 802.3u specification.

  • Page 37: Module Application" Page

    2789-9052 Configuration 9.1.3 “Module Application” Page Figure 12: WBM “Module Application” Page Note Disabling the Web server closes ports 80 and 443 and the module can then no longer be accessed via a web browser. To enable access again via the Web server, the reset button on the module must be...

  • Page 38: Module Update And Reset" Page

    Configuration 2789-9052 9.1.4 “Module Update and Reset” Page Figure 13: WBM “Module Update and Reset” Page On the “Module Update and Reset” page, you can restore the module to the factory set- tings, export module parameters and transfer them to another module.

  • Page 39: Device Parameter" Page

    2789-9052 Configuration Displays the device information of the subordinate device. 9.1.6 “Device Parameter” Page Figure 15: WBM “Device Parameter” Page All parameters are read from the subordinate device and displayed on the “Device Pa- rameter” page. Product manual | Version: 1.0.0...

  • Page 40: Device Process Data" Page

    Configuration 2789-9052 9.1.7 “Device Process Data” Page Figure 16: WBM “Device Process Data” Page All measured values and status information are read out from the subordinate device and displayed on the “Device Process Data” page. Product manual | Version: 1.0.0 Modbus TCP Communication Module...

  • Page 41: Device Reset" Page

    2789-9052 Configuration 9.1.8 “Device Reset” Page Figure 17: WBM “Device Reset” Page On the “Device Reset” page, you can restore the subordinate device to the factory set- tings. Product manual | Version: 1.0.0 Modbus TCP Communication Module...

  • Page 42: Decommissioning

    Decommissioning 2789-9052 Decommissioning 10.1 Entsorgung und Recycling Table 40: WEEE Mark Logo Description Electrical and electronic equipment may not be disposed of with household waste. This also applies to products without this mark. Electrical and electronic equipment contain materials and substances that can be harmful to the environment and health.

  • Page 43: Appendix

    2789-9052 Appendix Appendix 11.1 User Certificates A certificate allows a secure connection for network communication and is used for au- thenticating the remote host. The lock icon in the browser indicates that this website has a valid, trusted certificate and that the connection is secure. We recommend replacing the self-signed certificates generated in the product with your own.

  • Page 44: Creating A Template For Certificates

    Appendix 2789-9052 IANA No. Cipher Suite 0xC0, 0xAE TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 0xC0, 0xAF TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 0xC0, 0x09 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA 0xC0, 0x0A TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA 0xC0, 0x2B TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 0xC0, 0x2C TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 0xC0, 0x23 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 0xC0, 0x24 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 11.1.2 Creating a Template for Certificates 1. Open the XCA software and from the File menu, select the New Database sub- menu.
  • Page 45 2789-9052 Appendix Figure 20: `Subject´ Tab Legend for Figure `Subject´ Tab Input field Explanation Internal name The value in this field serves as an internal reference and should identify the cer- tificate uniquely. countryName Country code (e.g., DE for Germany) stateOrProvinceName State or province (e.g., NRW for North Rhine-Westphalia)

  • Page 46: Creating The Root Ca Certificate

    Appendix 2789-9052 Figure 21: Create Template 11.1.3 Creating the Root CA Certificate 1. Switch to the Certificates tab to create the Root CA certificate. Click the [New Cer- tificate] button. ð The following dialog appears. Product manual | Version: 1.0.0 Modbus TCP Communication Module...
  • Page 47 2789-9052 Appendix Figure 22: Create Certificate ─ Select Template 2. Select your created template from the Template for the new certificate selection field. 3. Click the [Apply Subject] button. 4. Select the “[default]” template from the Template for the new certificate selection field.
  • Page 48 Appendix 2789-9052 Figure 23: Create Certificate – Enter Name 7. Enter an identifier in the CommonName input field (e.g., “Root_CA”). 8. Click the [Generate a new key] button. Product manual | Version: 1.0.0 Modbus TCP Communication Module...
  • Page 49 2789-9052 Appendix Figure 24: Create a New Key 9. Set the key type to “EC” and select an EC curve for the root CA. The name is preset. The assignment depends on whether the key is generated for the root CA or for the module.

  • Page 50: Creating The Device Certificate

    Appendix 2789-9052 Figure 25: New Certificate Created 11.1.4 Creating the Device Certificate 1. Go to the Certificates tab to create the device certificate. 2. Click the [New Certificate] button. ð The following dialog appears. Product manual | Version: 1.0.0 Modbus TCP Communication Module...
  • Page 51 2789-9052 Appendix Figure 26: Create a New Device Certificate 3. Check the box Use This Certificate for Signing and select the root CA certificate that has been created. 4. In the Signature Algorithm selection field, select the value “SHA 512” (see the BSI TR-02102 technical guidelines).
  • Page 52 Appendix 2789-9052 Figure 27: Create a New Key 12. Change the key type to elliptic curve and select the prime256v1 curve. 13. Click the [Create] button to create the key. 14. Switch to the Extensions tab. Product manual | Version: 1.0.0...
  • Page 53 2789-9052 Appendix Figure 28: “Extensions” Tab 15. Set the validity of the device certificate. Please note the recommendations of the “technical guidelines of the BSI TR-02102-2”. 16. Add the IP address and/or hostname in the X509v3 Subject Alternative Name input field.
  • Page 54 Appendix 2789-9052 Figure 29: New Certificate Request, “Client” Key Usage 19. Click [OK] to confirm entries. The new certificate is shown below the root CA certifi- cate on the Certificates tab. Product manual | Version: 1.0.0 Modbus TCP Communication Module...

  • Page 55: Exporting Certificates

    2789-9052 Appendix Figure 30: Device Certificate Created 11.1.5 Exporting Certificates 1. In the main window, switch to the Certificates tab and expand the tree structure completely. 2. Select your root CA certificate and open the context menu by right-clicking. 3. Select “Export” > “File”.
  • Page 56 Appendix 2789-9052 Figure 31: Export Root CA Certificate 1 Figure 32: Export Root CA Certificate 2 4. Select the storage location by clicking the [ … ] button. 5. In the Export Format selection list, select the “PEM (*.crt)” entry. Product manual | Version: 1.0.0...

  • Page 57: Installing Certificates On The Client And Product

    2789-9052 Appendix 6. Click [OK] to confirm. 7. Select your device certificate and right-click to open the context menu. 8. Select “Export” > “File”. Figure 33: Exporting the Device Certificate 9. Select a storage location by clicking the [ … ] button.
  • Page 58 Appendix 2789-9052 Figure 34: Importing the Device Certificate 3. Select the certificate you created and click [Save certificate]. 4. Reboot the device by clicking the [Reboot module] button. As soon as a lock icon appears to the left or right (depending on the browser) of your Web address, the action has been successful, and your connection is secure from now on.

  • Page 59: Accessories

    2789-9052 Appendix Figure 35: Importing the Device Certificate – Secure Connection 11.2 Accessories The following accessories are available for the product: Accessories – Marking Table 42: Accessories – Marking Description Designation Item Number Marker Carrier 2789-1233 Marking System 2009-0110 WMB Multi Marking System...
  • Page 60 Appendix 2789-9052 ® ® • CiA and CANopen are registered trademarks of CAN in AUTOMATION – Interna- tional Users and Manufacturers Group e.V. • CODESYS is a registered trademark of CODESYS Development GmbH. • DALI is a registered trademark of the Digital Illumination Interface Alliance (DiiA).
  • Page 61 2789-9052 List of Tables List of Tables Table 1 Complete instructions for use .................... Table 2 Additional documentation....................Table 3 Legend for “View” Figure ....................Table 4 Legend for Figure “Type label”................... Table 5 Legend for Figure “Product-Specific Information” ..............
  • Page 62 List of Tables 2789-9052 Table 37 Internal Module Parameters – Date ................... Table 38 Internal Module Parameters – Time................... Table 39 Operating the Reset Button ....................Table 40 WEEE Mark ........................Table 41 Available Cipher Suites...................... Table 42 Accessories – Marking.......................
  • Page 63 2789-9052 List of Figures List of Figures Figure 1 View ..........................Figure 2 Type label........................Figure 3 Product-Specific Information ..................Figure 4 RJ-45 Interfaces X5/X6 ....................Figure 5 Optical status indication ....................Figure 6 Mounting ........................Figure 7 Removal ........................
  • Page 64 WAGO is a registered trademark of WAGO Verwaltungsgesellschaft mbH. Copyright – WAGO GmbH & Co. KG – All rights reserved. The content and structure of the WAGO websites, catalogs, videos and other WAGO media are subject to copyright. Distri- bution or modification of the contents of these pages and videos is prohibited. Furthermore, the content may neither be copied nor made available to third parties for commercial pur-...

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