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B&B Electronics ESP902 User Manual

Dual-port multi-interface ethernet serial server
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707 Dayton Road -- P.O. Box 1040 -- Ottawa, IL 61350 USA
Technical Support e-mail:
Documentation Number: ESP902-2303 Manual
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
Dual-Port Multi-Interface
(RS-232/422/485)
Ethernet Serial Server
Model ESP902, ESP902E
Documentation Number: ESP902-2303
International Headquarters
B&B Electronics Mfg. Co. Inc.
Phone (815) 433-5100 -- General Fax (815) 433-5105
Home Page: www.bb-elec.com
Sales e-mail:
orders@bb-elec.com
European Headquarters
Westlink Commercial Park, Oranmore, Co. Galway, Ireland
Phone +353 91-792444 -- Fax +353 91-792445
Home Page: www.bb-europe.com
Sales e-mail:
Technical Support e-mail:
B&B Electronics – May 2003
-- Fax (815) 433-5109
support@bb.elec.com
B&B Electronics Ltd.
sales@bb-europe.com
support@bb-europe.com
-- Fax (815) 433-5104
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Summary of Contents for B&B Electronics ESP902

  • Page 1 Technical Support e-mail: support@bb-europe.com B&B Electronics – May 2003 Documentation Number: ESP902-2303 Manual Title Page B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 2: Table Of Contents

    Communication Modes ............2 Direct IP Mode................2 Virtual COM Mode..............2 Heartbeat ................... 3 Quick Start ................3 Default ESP902 Settings ............4 Specifications ................5 Protocols ................... 5 Indicators .................. 5 Connectors ................5 Serial Signals ................5 Power &...
  • Page 3 RS-232 Connections............... 11 RS-485 Connections............... 13 Chapter 3: INSTALL VLINX ESP SOFTWARE ....14 Chapter 4: USING ESP MANAGER ........17 Searching LAN for ESP902............ 17 Firmware Upgrade ..............18 Virtual COM Configuration ............ 18 Searching Server ..............18 Uninstall Virtual COM............. 18 Server Name ................
  • Page 4 Chapter 6: INSTALLING VIRTUAL COM PORT ....27 Use Device Manager to View New Ports ......29 Chapter 7: REMOVING A VIRTUAL COM PORT .....31 Removing the Virtual COM port with ESP902 Management Software .................. 31 Removing the Virtual COM Port using Device Manager ..32 Chapter 8: UPGRADE MODE...........34...

  • Page 5: Chapter 1: Introduction

    Windows Device Manager under “Ports” (COM & LPT). This virtual COM port provides access to one of the ports on the ESP902 the same as any other serial port (legacy, PCI, USB or PCMCIA) on the computer. Any program running on the computer and using Windows-based COM ports can access the serial devices attached to the ESP902.

  • Page 6: Communication Modes

    Direct IP connections allow applications using TCP/IP or UDP/IP socket programs to communicate with the asynchronous serial ports on the ESP902. In this type of application the ESP902 is configured as a TCP or UDP server. The socket program running on the PC establishes a communication connection with the ESP902.

  • Page 7: Heartbeat

    Please familiarize yourself with the connections, indicators and switches before beginning. See Hardware Chapter 2. There are three ways to configure the ESP902 for your network and serial devices: We recommend the first unless not using a Windows operating system.

  • Page 8: Default Esp902 Settings

    If using the Console mode for setup, refer to the Console mode section, Chapter 9, and Chapter 5, then power up the unit. Step 2: Attach the ESP902 to your network or computer Ethernet port. You can connect your serial devices now if needed.

  • Page 9: Specifications

    CE, FCC Dimensions: 3.35 x 4.5 x 0.90 in (8.5 x 11.5 x 2.3 cm) Documentation Number: ESP902-2303 Manual Chapter 1 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...

  • Page 10: Hardware And Included Accessories

    (software for Console Mode or Telnet not included) (can use HyperTerminal in Windows) VLINX ESP Manager using Windows 98/ME/2000/XP and NT Manager software includes Search for VLINX ESP901/ESP902 on network, Configure Server Properties, Add/Remove Virtual COM port in Windows, Firmware download for future revisions.

  • Page 11: Chapter 2: Hardware

    RJ45 Ethernet port on a PC or laptop. Documentation Number: ESP902-2303 Manual Chapter 2 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...

  • Page 12: Dc -In

    The switches set the Multi-Interface serial port to RS-485, RS-422 or RS-232 operation. They also select the Server Console mode for Configuration, Upgrade mode for new firmware downloading or Default to reset the ESP902 to the original default settings. Chapter 2 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc –...

  • Page 13: Rs-485 Mode

    Refer to the Pin-out table for connections. Internal Setting To Select RS-485 Bias You can select RS-485 Receiver Biasing from the ESP902 if your network doesn’t supply any. Remove the two side cover screws, slide the cover off, then set the two bias jumpers (shown open) to enable biasing (shorting).

  • Page 14: Upgrade Mode

    The Console mode provides access to the configuration menu using RS-232 connections. Connect a null modem crossover cable between the multi- interface port and one of the computer’s RS-232 serial ports. The ESP902 Serial ports are wired as DTE like a computer using DB9M connectors, so a crossover cable must be used to connect to another DTE port.

  • Page 15: Rs-232 Connections

    RS-232 Connections In the RS-232 mode, the ports are configured as DTE (Data Terminal Equipment) like a computer. ESP902 to device connections are the same. When connecting to a PC or another DTE device, use a null modem crossover cable. When connecting to a DCE device that can normally be plugged into a PC, use a straight through cable.
  • Page 16 422 Receiver and Transmitters. The RS-422 mode can be used for full duplex 4-wire RS-485 operation provided that the ESP902 is acting as a sole master connecting to all the slave devices, and all slave devices share the Receive signal lines to the master.

  • Page 17: Rs-485 Connections

    If you want to connect 4-Wire RS-485 devices, you can use the RS-422 Mode provided that the ESP902 will be connected as a Master in a single master system. If you have multiple masters, you cannot use this device, it does not tri-state the transmitter in RS-422 mode.

  • Page 18: Chapter 3: Install Vlinx Esp Software

    The Windows based ESP Manager and Virtual COM port software makes configuration fast and easy. We recommend installing the Software to configure the ESP902 unless you are not using Windows. To install the ESP Manager, Install Virtual Com, Uninstall Virtual COM...
  • Page 19 When Choose Destination Location appears, Click Next. The installation progress will be shown until complete. Documentation Number: ESP902-2303 Manual Chapter 3 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...
  • Page 20 You can now start the ESP Manager software, use Start, Programs. B&B Electronics. VLINX ESP Servers, VLINX ESP Manager. If you have not already connected the ESP902 to your network or to the Ethernet port on your computer, connect it, then apply power.

  • Page 21: Chapter 4: Using Esp Manager

    Servers, Configure ESP Server, Uninstall Virtual COM port, Virtual COM Configuration, and Upgrade Firmware. Connect the ESP902 to the LAN or to the Ethernet port on your computer. Use an Ethernet Crossover Cable if connecting directly to your computer LAN card.

  • Page 22: Firmware Upgrade

    In the right side ESP Manager Window these items are shown: Server Name The ESP902 Servers are listed twice, once for each port. IP Address The IP address for both ESP902 ports is the same for each port. Protocol The TCP or UDP mode is shown. Chapter 4 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc –...

  • Page 23: Com Name

    The ESP Server Serial Port 1 is the Multi-Interface port, Server Serial Port 2 is the RS-232 port. Documentation Number: ESP902-2303 Manual Chapter 4 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...
  • Page 24 Continued in next chapter. Chapter 4 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 25: Chapter 5: Server Properties Configuration

    • When done, enter EXIT to return to Windows and close DOS window. Documentation Number: ESP902-2303 Manual Chapter 5 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...

  • Page 26: Server Name

    DHCP request to the DHCP server, which will assign a dynamic IP address, net mask, and gateway to the ESP902. If a DHCP server is not available on the network the ESP902 will time out after 10 seconds and the default values will remain.

  • Page 27: Net Mask

    The default IP address is shown on a label affixed to the bottom cover. Such as IP 192.168.0.1 A dynamic address assigned by the DHCP server may change if the ESP902 looses the Ethernet connection or power is removed. The host (client) communication software requests a connection to the specific IP address of the serial server.

  • Page 28: Baud Rate (Set For Each Port)

    Save stores settings for both ports. Baud Rate (Set for each port) The serial port baud rate on the ESP902 must match the serial baud rate of the connected device unless using Virtual COM mode. In Virtual COM mode the software program will establish serial settings. Use the arrow keys to change the setting to the desired baud rate.

  • Page 29: Remote Ip Address (Set For Each Port)

    This is a security feature activated by entering the IP address of the desired client. The ESP902 will only communicate with the listed IP address and all other requests for connection will be filtered out. The ESP902 is set to TCP or UDP Server in Connection Mode to use this feature.
  • Page 30 Refresh/Space Bar: Press to refresh the configuration page Chapter 5 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 31: Chapter 6: Installing Virtual Com Port

    Chapter 6: INSTALLING VIRTUAL COM PORT The Virtual COM Port software enables Windows based applications to use the serial port on the ESP902 server as a COM port or to use standard Windows API calls for COM port access. The Install Virtual COM port software adds a ESP902 (COM#) port to the computer which shows up in the Device Manager.
  • Page 32 Found Server form. Chapter 6 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 33: Use Device Manager To View New Ports

    The ESP Server must be set to match. The settings of the Virtual COM port in the Device Manager and the ESP902 Configuration menu must match. If the settings do not match, the Virtual COM port will not work.
  • Page 34 Windows doesn’t auto refresh. Chapter 6 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 35: Chapter 7: Removing A Virtual Com Port

    Manager of Windows 98, ME, NT, 2000, and XP. Windows 98 users will also find a Remove Virtual COM feature in the programs file. Removing the Virtual COM port with the ESP902 Management Software 1. At the Desk Top select Start/Programs/B&B Electronics/Vlinx/ ESP Vlinx/ESP Manager.

  • Page 36: Removing The Virtual Com Port Using Device Manager

    Chapter 7 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...
  • Page 37 2. Select Device Manager in the Systems Properties window. In Device Manager window select the + next to Ports (COM LPT) to expand. 3. Highlight ESP902 (COM #) to be removed, go the Action tab at the top of window and select uninstall. A confirm Device Removal window will appear.

  • Page 38: Chapter 8: Upgrade Mode

    Server baud rate to 115.2K if using a hardware COM port. This will provide the fastest download. Set ESP902 Dip Switches to Upgrade, Switch 1 OFF, Switch 2 ON, and Switch 3 ON. (As shown here) If using a Virtual COM port to upgrade, identify the virtual COM number and address used for the Multi-Interface port.
  • Page 39 In the Serial Port selection options select the COM port number used to connect to the ESP902. If using the Virtual COM port select that number. Next a serial menu is shown so you can match the Upgrade mode settings to ESP Server serial settings (which you noted in Server Properties).
  • Page 40 Select and exit from the Manager software. Chapter 8 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 41: Chapter 9: Console Mode Setup

    Chapter 9: CONSOLE MODE SETUP Before the ESP902 is installed on a LAN the Console Mode can be used to change the settings from the Defaults. Set the 3 - ESP902 switches to the “ON” position. Connect a null modem cable between the Multi-interface serial port (ESP Port1) on the Server and the COM port on the Computer.
  • Page 42 Reset to end before Disconnect. Chapter 9 Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 43: Appendix A: Loopback Connections

    The RS-485 Connections are half duplex, either Receive or Transmit, so another half duplex device must be used to check operation. Documentation Number: ESP902-2303 Manual Appendix B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...

  • Page 44: Appendix B: Rs-232 Connections

    Request To Send Clear To Send Ring Indicator Documentation Number: ESP902-2303 Manual Appendix B B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 45: Appendix B: Rs-232 Connections

    Refer to Chapter 2 for more information. Appendix B Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 46: Appendix C: Rs-422 Connections

    RTSB (+) Request to Send A (−) RTSA (−) Documentation Number: ESP902-2303 Manual Appendix C B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 47: Appendix C: Rs-422 Connections

    Refer to Chapter 2 for more information. Appendix C Documentation Number: ESP902-2303 Manual B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445...

  • Page 48: Appendix D: Rs-485 Connections

    DATA A (−) Signal Ground Refer to Chapter 2 for more information. Documentation Number: ESP902-2303 Manual Appendix D B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104...

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