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B&B Electronics Vlinx MESP211 Instruction Manual

Ultra compact modbus gateway
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Vlinx MESP211
Ultra Compact Modbus Gateway
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  • Page 1 Vlinx MESP211 Ultra Compact Modbus Gateway www.bb-elec.com www.bb-europe.com...
  • Page 2 International Headquarters B&B Electronics Mfg. Co. Inc. 707 Dayton Road Ottawa, IL 61350 USA Phone (815) 433-5100 -- General Fax (815) 433-5105 Website: www.bb-elec.com European Headquarters B&B Electronics Ltd. Westlink Commercial Park, Oranmore, Co. Galway, Ireland Phone +353 91-792444 -- Fax +353 91-792445 Website: www.bb-europe.com by any means, electronic or mechanical, including photography, recording, or any information storage and retrieval system without written consent.

  • Page 3: Table Of Contents

    Introduction Vlinx MESP211 Modbus Gateway TABLE OF CONTENTS 1. Introduction ................................. 5 About MESP211 Modbus Gateways ..........................5 MESP211 Model Numbering ............................. 5 Model Number ..................................5 Serial Protocol ..................................5 Serial port ................................... 5 Ethernet Port ..................................5 MESP211D ..................................5 RS-232/422/485 ................................
  • Page 4 Introduction Vlinx MESP211 Modbus Gateway 3. Setup and Connections ..........................11 Connecting the Power Supply ............................11 Connecting MESP211 Modbus Gateways to Modbus networks ................11 Connecting the MESP211 ............................... 12 Connecting MESP211 Modbus Gateways to a Network ..................... 13 MESP211 Configuration Connections ...........................
  • Page 5 Introduction Vlinx MESP211 Modbus Gateway General Specifications ............................60 Controls, Indicators and Connector Specifications ................... 61 Approvals and Certifications ..........................62 Serial Interface Specifications .......................... 63 Network Specifications ............................64 Appendix C: Dimensional Diagram ..........................65 Appendix D: Connector Pinouts ............................ 66 MESP211 Serial Port Pinouts ..........................

  • Page 6: Introduction

    Introduction Vlinx MESP211 Modbus Gateway 1. INTRODUCTION Thank you for purchasing an MESP211 product. This product has been manufactured to the highest standards of quality and performance to ensure your complete satisfaction. ABOUT MESP211 MODBUS GATEWAYS MESP211 Modbus Gateways connect Modbus networks (RS-232, RS-422 or RS-485) to Ethernet networks, allowing the Modbus network to become a node on the network.

  • Page 7: Mesp211 Features

    Introduction Vlinx MESP211 Modbus Gateway MESP211 FEATURES  DB9M and pluggable terminal block serial port connector options  Software selectable as RS-232, RS-422 or RS-485 2- or 4-wire  Configuration of Ethernet and serial port settings using software  Configuration can be done via network, web page or direct serial connection ...

  • Page 8: Mesp211 Hardware

    Hardware Vlinx MESP211 Modbus Gateway 2. MESP211 HARDWARE MESP211 Modbus Gateways are enclosed in panel mountable cases with DIN rail mount options and feature LED indicators, power, Ethernet and serial connectors and a recessed Reset/Mode switch. PACKAGE CHECKLIST MESP211 Modbus Gateways are shipped with the following items included: ...

  • Page 9: Mode Switch

    Hardware Vlinx MESP211 Modbus Gateway MODE SWITCH A recessed momentary reset switch is located on the front left side of the enclosure. To activate the switch, insert a small plastic tool through the hole in the enclosure and press gently.

  • Page 10: Ethernet Connector

    Hardware Vlinx MESP211 Modbus Gateway ETHERNET CONNECTOR Modbus Gateway models using 10BaseT/100BaseTX network connections use an RJ45 receptacle. The Modbus Gateway is connected to a standard Ethernet network drop using a straight-through RJ45 (male) Ethernet cable. Figure 3. Ethernet Connector.

  • Page 11: Power Connector

    Hardware Vlinx MESP211 Modbus Gateway POWER CONNECTOR Figure 6. Power Connection MOUNTING HARDWARE An optional DIN rail mount adapter is available from B&B Electronics. Figure 7. DIN Clip for Modbus Gateway Module.

  • Page 12: Setup And Connections

    Setup and Connections Vlinx MESP211 Modbus Gateway 3. SETUP AND CONNECTIONS Note: In this section devices to be connected to the Modbus Gateway’s serial connection are simply referred to as the “Modbus network”. CONNECTING THE POWER SUPPLY Connect a DC power supply to Modbus Gateway. Acceptable voltages are between 10 VDC and 30 VDC.

  • Page 13: Connecting The Mesp211

    Setup and Connections Vlinx MESP211 Modbus Gateway lines are differential pairs (A & B) in which the B line is positive relative to the A line in the idle (mark) state. Ground provides a common mode reference. When configured for 2-wire operation the connection supports one signal pair: Data B(+) and Data A(-) signal channels using half-duplex operation.

  • Page 14: Connecting Mesp211 Modbus Gateways To A Network

    Setup and Connections Vlinx MESP211 Modbus Gateway Figure 11. MESP211 Connections CONNECTING MESP211 MODBUS GATEWAYS TO A NETWORK Network Connection (10BaseT/100BaseTX) When connecting a Modbus Gateway equipped with a 10BaseT/100BaseTX network connection (RJ45 connector) a standard network cable is connected from the Modbus Gateway to a network drop.

  • Page 15: Mesp211 Configuration Connections

    Setup and Connections Vlinx MESP211 Modbus Gateway MESP211 CONFIGURATION CONNECTIONS MESP211 Modbus Gateways can be configured over the network or via a serial port. INSTALLING MODBUS GATEWAY MANAGER SOFTWARE 1. The Modbus Gateway Manager Software is contained on the CD which is packaged with the product.
  • Page 16 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 13. Modbus License Acceptance Screen c. Click “Next.” The User Information Screen will be displayed on your computer. Enter your name and organization (optional) and select if the software will be accessible to your account or anyone who uses the computer.
  • Page 17 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 15. Destination Folder Screen e. Click “Next.” The Ready to Install Application Screen will be displayed on your computer. You can select the “Back” button to change destination folder. Figure 16. Ready to Install Application Screen...
  • Page 18 Setup and Connections Vlinx MESP211 Modbus Gateway f. Click “Next.” The software will begin installing. Figure 17. Software Installing Screen g. Click “Next.” The Installation Complete screen will be displayed on your computer. Click “Finish” to finish the installation. Figure 18.

  • Page 19: Configuring The Mesp211 Via The Network Connection

    Setup and Connections Vlinx MESP211 Modbus Gateway CONFIGURING THE MESP211 VIA THE NETWORK CONNECTION When configuring via the network, either Modbus Gateway Manager software or the web interface can be used. CONFIGURING THE MODBUS GATEWAY MANAGER MESP211 Modbus Gateways can be configured over the network Modbus Gateway Manager software running on a PC.
  • Page 20 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 20. Vlinx Modbus Gateway Manager Shortcut Icon The Vlinx Modbus Gateway Manager Device Discovery window appears Figure 21. Modbus Gateway Manager Discovery Window If you do not know the IP address, check the “Network” and “I don’t know the IP address of this device”...
  • Page 21 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 22. Configuration Manager Screen 2. All Modbus Gateways on the network will be displayed in the top portion of the screen. To select a gateway, simply click the appropriate device on the top portion of the screen.
  • Page 22 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 23. Settings Screen Overview This area shows Modbus Gateways available on the network. b. This area is used to skip directly to the specific configuration screen you need to access. An alternate method of accessing the configuration screens is to use the “Next”...
  • Page 23 Setup and Connections Vlinx MESP211 Modbus Gateway 4. “Upgrade” allows you to upgrade your Modbus Gateway’s firmware. 5. “Diagnostic” allows you to test a configured Modbus Gateway. See Section 5. 6. “Monitor” allows you to monitor a Modbus Gateway. See Section 5.

  • Page 24: General Settings

    Setup and Connections Vlinx MESP211 Modbus Gateway GENERAL SETTINGS Figure 24. General Settings Screen a. This screen enables you to assign a unique name to the gateway. This allows you to easily identify a particular gateway when multiple devices are used on the same network.
  • Page 25 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 25. Changing The Password c. Type your new password in the “Type the new password box.” Verify the password by typing it again in the box provided. To save the new password click the “Save” button.
  • Page 26 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 26. Network Settings Screen (DHCP Selected) b. The default network configuration is to receive an IP address assignment from a DHCP server. DHCP controls whether or not a DHCP server is used to set the IP address, subnet mask and default gateway of the Modbus Gateway.
  • Page 27 Setup and Connections Vlinx MESP211 Modbus Gateway For Class C network (IP addresses 192.0.0.0 through 223.255.255.255), the default subnet mask is 255.255.255.0. For Class D network (IP addresses 224.0.0.0 through 239.255.255.255) and Class E network (IP addresses 240.0.0.0 through 255.255.255.255), the subnet mask is ignored.
  • Page 28 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 28. Modbus TCP Settings Screen c. TCP Client Settings 1. Connect to Port identifies TCP port to be used by the Modbus Gateway in TCP client mode. Valid value range is from 1 to 65535.
  • Page 29 Setup and Connections Vlinx MESP211 Modbus Gateway 3. Connection Filter Mode controls which TCP clients are able to connect. The default is: “and allow everyone to connect.” a. You can select “allow specific IP addresses to connect.” This filter is limited to 4 IP addresses.
  • Page 30 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 30. TCP Connection Filter “Allow Specific Range of IP Addresses to Connect” 6. Port 1 Settings To access this screen, click the “Next” button or click the Port 1 Serial link on the...
  • Page 31 Setup and Connections Vlinx MESP211 Modbus Gateway a. This screen allows you to change the serial port settings. Figure 31. Serial Port Screen b. Description - sets the description for this serial port. Maximum length is 32 symbols. Allowed characters are symbols from 'A' to 'Z', from 'a' to 'z', numbers from '0' to '9' and the space.
  • Page 32 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 32. Modbus Port Screen...
  • Page 33 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 33. Modbus Port Screen Advanced b. Attached – This is selectable between Master and Slaves. If Master is selected, the Modbus Gateway will run in TCP server mode, if Slaves is selected, it will run in TCP client mode.
  • Page 34 Setup and Connections Vlinx MESP211 Modbus Gateway Modbus client, before reporting a 0Bh exception if it is selected. Number of retries is limited to 5. h. Milliseconds Modbus Message Timeout – This is the maximum amount of time to wait for a response to the message. Valid value range is from 1 to 65535.
  • Page 35 Setup and Connections Vlinx MESP211 Modbus Gateway c. The first box in line is the start of the remap range on the serial port you want to remap. Valid value range is from 1 to 247. d. The second box in line is the last serial port of that range. Valid value range is from 1 to 247.
  • Page 36 Setup and Connections Vlinx MESP211 Modbus Gateway b. The first box in line is the starting ID of a range you want to route. Valid value range is from 1 to 247. c. The second box in line is the last ID of that range. Valid value range is from 1 to 247.
  • Page 37 Setup and Connections Vlinx MESP211 Modbus Gateway IP address, the Modbus ID, the Modbus function code, or any combination of the three. Up to five different priorities can be set. d. IP Address – Used to set a static Internet protocol address for the Modbus Gateway.
  • Page 38 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 38. Type IP Address Note: Your Modbus Gateway comes from the factory pre-configured to receive an IP address assignment from a DHCP server. If a DHCP Server is not available on your network, it will default to 169.254.102.39.

  • Page 39: Configuring The Mesp211 On Networks Without A Dhcp Server

    Setup and Connections Vlinx MESP211 Modbus Gateway CONFIGURING THE MESP211 ON NETWORKS WITHOUT A DHCP SERVER Your Modbus Gateway comes from the factory set up to receive an IP assignment from a DHCP Server. If there is not a DHCP server on your network, the Modbus Gateway will default to IP address 169.254.102.39.
  • Page 40 Setup and Connections Vlinx MESP211 Modbus Gateway b. Use the Vlinx Modbus Manager Software to search for, discover, and configure the Modbus Gateway. 2. Method 2: Change the Modbus Gateway’s network settings to match your PC using Console Mode. (Console mode works in RS-232 only.) a.
  • Page 41 Setup and Connections Vlinx MESP211 Modbus Gateway Default Gateway = 192.168.0.100 Change the Modbus Gateway’s network settings to: IP Address = 192.168.0.50 Subnet Mask = 255.255.0.0 Default Gateway = 192.168.0.100 h. Save the settings and remove power from the Modbus Gateway.

  • Page 42: Configuring The Mesp211 Via The Serial Port (Console Mode)

    Setup and Connections Vlinx MESP211 Modbus Gateway CONFIGURING THE MESP211 VIA THE SERIAL PORT (CONSOLE MODE) Your Modbus Gateway can be configured via a serial port using the Vlinx Modbus Manager software. To use this feature the Modbus Gateway's serial port must be connected to the serial port of a PC (using a null modem cable, RS-232 only).
  • Page 43 Setup and Connections Vlinx MESP211 Modbus Gateway Figure 41. Connection 3. If you do not know which COM port your gateway is connect to, select “Search all serial ports for the device” under Serial Port Options. If you do know, you may specify the COM port by selecting “The device is connected to this serial port”...

  • Page 44: Mesp211 Operational Connections

    Setup and Connections Vlinx MESP211 Modbus Gateway To exit Console Mode, press and hold the Reset switch for two seconds. Saving your configuration will also take you out of Console Mode. The LEDs go back to their normal states when the device resumes normal operation.

  • Page 45: Initiating A Hardware Reset On The Modbus Gateway

    Setup and Connections Vlinx MESP211 Modbus Gateway Figure 43. Direct IP Connection INITIATING A HARDWARE RESET ON THE MODBUS GATEWAY To initiate a Hardware Reset on the Modbus Gateway, press and hold the Mode switch for 0 to 2 seconds, and then release it. The LED indicators respond as follows: 1.

  • Page 46: Upgrading Firmware

    Upgrading Firmware Vlinx MESP211 Modbus Gateway 4. UPGRADING FIRMWARE Occasionally, updated firmware may become available for your Modbus Gateway. The firmware can be upgraded using the Vlinx Manager software. The following procedure describes the firmware updating process: 1. Click the Upgrade button to open the Firmware Upgrade dialog box.

  • Page 47: Downloading Firmware Files

    Upgrading Firmware Vlinx MESP211 Modbus Gateway DOWNLOADING FIRMWARE FILES The Firmware File list (second box) displays all firmware files in the firmware installation folder. Only firmware that is compatible with the selected Modbus Gateway is available in this list. To download the latest firmware files from an FTP site on the Internet: 1.

  • Page 48: Diagnostics

    Diagnostics Vlinx MESP211 Modbus Gateway 5. DIAGNOSTICS Clicking the Diagnostics icon opens the Diagnostics dialog box and enables you to check the operation of connected Modbus Gateways on the local computer. The Computer Information box displays information about the type of network connections, the IP addresses, Subnet Masks and Default Gateways in use.

  • Page 49: Testing A Modbus Gateway Connection

    Diagnostics Vlinx MESP211 Modbus Gateway TESTING A MODBUS GATEWAY CONNECTION To run diagnostics on a Modbus Gateway: 1. Click the Diagnostics icon. Diagnostics dialog box appears. 2. In the drop down box select the specific Modbus Gateway you want to check.

  • Page 50: Monitor Function

    Diagnostics Vlinx MESP211 Modbus Gateway MONITOR FUNCTION The Monitor button is used to display a screen that shows information about events and data transfer through the Modbus Gateway. To start monitoring, select a Modbus Gateway and press the “Start” button.

  • Page 51: Setup Examples

    Setup Examples Vlinx MESP211 Modbus Gateway 6. SETUP EXAMPLES Modbus Gateways can be used to integrate Modbus networks in a wide variety of settings. But as each setting has its own requirements, users may not understand how a gateway helps, or if it’s appropriate for their specific needs.
  • Page 52 Setup Examples Vlinx MESP211 Modbus Gateway Figure 48. Port 1 Modbus 4. Configure the Port 1 Modbus Settings. In this case Attached should be slaves, Modbus should be RTU. The other settings depend on your application. 5. Configure Port 2 Serial and Modbus in the same fashion.
  • Page 53 Setup Examples Vlinx MESP211 Modbus Gateway Figure 49. Port 1 Modbus Slave ID Remapping 7. Access Modbus ID Routing. Configure as necessary. In this example, Slave ID 200 is mapped to serial Port 1, Slave ID 1 through 5 and 205 are mapped to...
  • Page 54 Setup Examples Vlinx MESP211 Modbus Gateway Figure 50. Modbus ID Routing 8. Access Modbus Priority and configure as necessary.
  • Page 55 Setup Examples Vlinx MESP211 Modbus Gateway Figure 51. Modbus Priority...

  • Page 56: Modbus Help

    Modbus Help Vlinx MESP211 Modbus Gateway 7. MODBUS HELP MODBUS ASCII/RTU BASICS The Modbus protocol emerged in the mid-1970s as an early protocol for linking terminals with Modicon PLCs using a master/slave (sometimes called a master/client) relationship. A simple, open, message-based protocol, it caught on quickly and became a de facto standard in the industry.

  • Page 57: Hints And Tips

    Modbus Help Vlinx MESP211 Modbus Gateway HINTS AND TIPS A few simple suggestions that may assist you if your system is experiencing problems include:  Slowing down the polling rate may be helpful if power cycling doesn’t cure the problem.

  • Page 58: Appendices

    Appendices Vlinx MESP211 Modbus Gateway 8. APPENDICES This section includes the following Appendices:  Appendix A: Default Gateway Settings  Appendix B: Product Specifications  Appendix C: Dimensional Diagrams  Appendix D: Connector Pinouts www.bb-elec.com www.bb-europe.com...

  • Page 59: Appendix A: Default Gateway Settings

    Appendices Vlinx MESP211 Modbus Gateway APPENDIX A: DEFAULT GATEWAY SETTINGS Setting Default Value Gateway Name User assigned password field is blank Password from factory DHCP Enabled from factory DHCP will configure. If a DHCP Server is not IP Address available, the unit will default to 169.254.102.39...

  • Page 60: Appendix B: Product Specifications

    Appendices Vlinx MESP211 Modbus Gateway APPENDIX B: PRODUCT SPECIFICATIONS This section includes the following specifications:  General Specifications  Controls, Indicators and Connector Specifications  Serial Interface Specifications  Network Specifications www.bb-elec.com www.bb-europe.com...

  • Page 61: General Specifications

    Appendices Vlinx MESP211 Modbus Gateway GENERAL SPECIFICATIONS Device Modbus Gateway module Hardware and CD with software for Win XP (32/64 bit), included 2003 Server (32/64 bit), Vista (32/64 bit), accessories Windows 7 (32/64 bit), Windows 2008 Server (32/64 bit), Windows Server 2012...

  • Page 62: Controls, Indicators And Connector Specifications

    Appendices Vlinx MESP211 Modbus Gateway CONTROLS, INDICATORS AND CONNECTOR SPECIFICATIONS Hold in for 0 to 2 seconds for hardware reset Hold in for 2 to 10 seconds for Console Mode (Do a hardware reset Switches Reset button or recycle power to exit Console...

  • Page 63: Approvals And Certifications

    Appendices Vlinx MESP211 Modbus Gateway APPROVALS AND CERTIFICATIONS Part 15 Class A www.bb-elec.com www.bb-europe.com...

  • Page 64: Serial Interface Specifications

    Appendices Vlinx MESP211 Modbus Gateway SERIAL INTERFACE SPECIFICATIONS Mode Selection RS-232/422/485 software selectable RS-232 lines TXD, RXD, RTS, CTS, DTR, DSR, DCD, RS-422 lines (4 wire) TXDA(-), TXDB(+), RXDA(-), RXDB(+), GND RS-485 lines (2 wire) Data(-), Data(+), GND RS-485 lines (4 wire)

  • Page 65: Network Specifications

    Appendices Vlinx MESP211 Modbus Gateway NETWORK SPECIFICATIONS Serial 8 kB per port Memory Memory Network 4 kB Memory TCP Ports Web Server Modbus client/server port – user configurable 7000 TCP Configuration 10000 Monitor Port UDP Ports 7000 UDP Configuration 8899...

  • Page 66: Appendix C: Dimensional Diagram

    Appendices Vlinx MESP211 Modbus Gateway APPENDIX C: DIMENSIONAL DIAGRAM www.bb-elec.com www.bb-europe.com...

  • Page 67: Appendix D: Connector Pinouts

    Appendices Vlinx MESP211 Modbus Gateway APPENDIX D: CONNECTOR PINOUTS MESP211 SERIAL PORT PINOUTS DB9 Male Direction RS-232 RS-422 RS-485 (RS-232) RS-485 2-Wire 4-Wire Input RDA (-) **** Input RDB (+) **** Output TDB (+) Data B Output TDA (-) Data A (-...

  • Page 68: Mesp211 Terminal Block Pinouts

    Appendices Vlinx MESP211 Modbus Gateway MESP211 TERMINAL BLOCK PINOUTS Terminal RS-232 Direction RS-422 RS-485 (RS-232) Output TDA (-) Data A Output TDB (+) Data B Input RDA (-) Input RDB (+) **** In the RS-422 mode, TX lines are outputs and RX lines are inputs. Connect the Modbus Gateway TXB(+) line to the RXB(+) line of the Modbus network, and the Modbus Gateway TXA(-) to the RXA(-) of the Modbus network.

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