B&B Electronics ESP904 Owner's Manual
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B&B Electronics ESP904 Owner's Manual

Quad-port multi-interface ethernet serial server
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Manual Documentation Number: ESP904-0504
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
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Summary of Contents for B&B Electronics ESP904

  • Page 1 Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com...
  • Page 2 © B&B Electronics – February 2004 Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com...

  • Page 3: Table Of Contents

    Server Icons Section... 26 Serial Server List... 26 Virtual COM List ... 27 ... 28 EARCHING ERVER Server Properties Screen ... 28 CHAPTER 5: CONFIGURING THE ESP904 SERVER PROPERTIES ... 31 ... 31 ESCRIPTION OF THE ERVER ROPERTIES Server Name... 31 Password... 31 DHCP ...
  • Page 4 THERNET ABLE Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com Table of Contents B&B Electronics Ltd –...
  • Page 5 Figure 5. Configuring the Virtual COM Port ... 7 Figure 6. Dimensional Diagram of the ESP904 ... 10 Figure 7. Side View of the ESP904 – when vertically mounted ... 11 Figure 8. Top View of the ESP904... 13 Figure 9. The ESP904 Serial Port Connectors ... 13 Figure 10.

  • Page 6: Features

    Direct IP programs to communicate with the asynchronous serial ports on the ESP904. In this type of application the ESP904 is configured as a TCP or UDP server. The socket program running on the PC establishes a communication connection with the ESP904. The data is sent directly to and from the serial port on the server.

  • Page 7: Paired Mode

    COM port on the computer. The virtual COM port software converts the application’s data into IP packets, sends it across the network to the ESP904, which converts the IP packet back to serial data and sends the data out a serial port located on the ESP904.

  • Page 8: Esp904 Configuration

    ESP Manager Search all window. Chapter 1 Introduction Step 4: Double click on the first ESP904 port on the list (4000) to bring up configuration screen. Server Properties Figure 4. The Server Properties Window Step 5: Change the as required.

  • Page 9: Install Virtual Com Ports On Pc

    Step 3: Set , and Baud Rate Data/Parity/Stop configuration of the serial device connected to the ESP904 serial port. Step 4: Communications with the serial device should now be operational. Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Ltd –...
  • Page 10 Port 3 Port 2 Port 1 DB-9M DB-9M DB-9M male male male 161.5 mm 4-40 hex threads 185.0 mm Figure 6. Dimensional Diagram of the ESP904 Chapter 1 Manual Documentation Number: ESP904-0504 2.5 mm Tip (+) 1.1 mm DB-9M male...

  • Page 11: Chapter 2: Making The Hardware Connections

    Steady Green (all ports) Flashing Green – data is being transmitted The ESP904 has a standard RJ-45 receptacle mounted in the top edge of the chassis. The ESP904 can be connected to an Ethernet hub, switch, or wall plate using a standard straight-through RJ-45 (male) Ethernet cable. To connect directly to an RJ45 Ethernet port on a PC or laptop a crossover Ethernet cable must be used.

  • Page 12: Power Connector

    Configuration Menu computer by connecting its RS-232 serial port to the ESP904’s Port 1. Since the computer is a DTE device, and the ESP904 serial ports are configured as DTEs (with DB-9M connectors), a null modem crossover cable must be used.

  • Page 13: Rs-232 Mode

    ESP904 if the network does not supply it. Remove the two side-cover screws of the ESP904, slide the cover off and re-position the bias jumpers (shown open in the figure below) to enable biasing (shorting).

  • Page 14: Esp904 Serial Port Connector Pin-Outs

    Installing the VLINX ESP Software ESP904 Serial Port Connector Pin-outs Pin-outs for RS-232, RS-422 and RS-485 operation are shown below. DB-9M RS-232 Signal Name Carrier Detect Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready Request To Send...

  • Page 15: Chapter 3: Installing The Vlinx Esp Software

    Installing the VLINX ESP Software The Windows-based ESP Manager Virtual COM Port configuration fast and easy. If using Windows, installing the ESP Manager software and setting up virtual COM ports to configure the ESP904 is recommended. Software Installation includes: VLINX ESP software...
  • Page 16 B&B Electronics VLINX ESP Manager Step 6: If the ESP904 is not already connected to the network or to the Ethernet port on the computer, connect it, and then apply power. The Power indicator should light Red, the Link light should indicate which type of Ethernet connection has been made and the Ready LED will flash indicating configuration can begin.

  • Page 17: Chapter 4: Using Esp Manager

    Uninstalling virtual COM ports on a computer Upgrading the ESP904 firmware Hardware Setup: Step 1: Connect the ESP904 to the LAN or to a computer Ethernet port. Figure 17. Ethernet Connection via a LAN Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Ltd –...

  • Page 18: Server Icons Section

    Server Properties Allows virtual COM ports to be uninstalled from the ESP Manager window. Displays the name of the ESP904 Server. The name is listed four times, once for each port. Displays the IP Address for the ESP904 server. All four ports have the same the same IP address.

  • Page 19: Virtual Com List

    COM Name Displays the number of the COM port mapped to each ESP904 port. IP Address Displays the IP Address for the ESP904 server. All four ports have the same IP address. Protocol Displays the currently selected TCP or UDP mode for the ESP904 server.
  • Page 20 Enter to select update or cancel Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com...

  • Page 21: Description Of The Server Properties Server Name

    DHCP server, which will assign a dynamic IP address, net mask, and gateway to the ESP904. If a DHCP server is not available on the network the ESP904 will time out after 10 seconds and the default values will remain.

  • Page 22: Server Serial Port (Select 1 To 4)

    Console Mode simultaneously. Baud Rate The serial port baud rate on the ESP904 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. Data/Parity/Stop Set this to match the data format used by the device connected when the Virtual COM mode is not being used.

  • Page 23: Update/Save

    Status cursor to the option position, and then press Save stores the configuration data to ESP904 flash memory, and resets Default restores the editing configuration data to factory default settings. Running restores the editing configuration data to the last values stored in the flash memory.

  • Page 24: Chapter 6: Installing Virtual Com Ports

    For example, in a computer already having a COM1 and COM2, COM3 to COM 254 is available for the ESP904. It is recommended that COM Port 5 or higher be selected. The virtual COM port looks like a standard COM port to most Windows based applications which allows the software to open a connection with the serial port located anywhere on the LAN/WAN.

  • Page 25: Matching The Esp904 And Virtual Com Port Settings

    B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com Installing Virtual COM Port The settings of the virtual COM ports in the Device Manager and the ESP904 Configuration menu must match. If the settings do not match, the virtual COM ports will not work.
  • Page 26 Use Manager if Windows does not auto refresh. Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Ltd –...

  • Page 27: Esp904 Manager

    It may also be removed in the Device Manager of Windows 98, ME, NT, 2000, and XP. Windows 98 users also will find a feature in the Programs file. Removing the Virtual COM port with ESP904 Manager Step1: In Windows, select VLINX ESP Manager from the...
  • Page 28 Figure 33. Confirm Device Removal Step 5: Select to proceed. The ESP904 COM # will be removed and the Device Manager window will refresh and display the remaining COM ports Chapter 7 Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com...

  • Page 29: Downloading The Firmware

    Upgrading Via ESP904 Manager The ESP Manager software can upload new firmware to the server using a direct PC connection via Port 1 of the ESP904, or using a virtual COM port mapped to Port 1. If connecting directly to a computer serial port, connect a null modem cable between the Computer RS-232 port and the ESP904 Port1 serial port.
  • Page 30 Upgrade progress Upgrade finished! message is shown. Select Figure 35. Upgrading in Progress Manual Documentation Number: ESP904-0504 Chapter 8 Chapter 8 Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Mfg Co Inc –...

  • Page 31: Connection Mode

    Before the ESP904 is installed on a LAN the change the settings from the defaults. The ESP904 is shipped with Port 1 set in the . Connect a crossover (null modem) cable between the Console Mode ESP904 Port1 and the COM port on the Computer.

  • Page 32: Using A Password

    B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com Using Console Mode If a password is used it must be entered before the Configuration screen can be seen. If the server is accessed with a password but no changes are made, to end before disconnecting. Reset Figure 38.

  • Page 33: Chapter 10: Using The Web Server

    The Web Server can be used to configure the ESP904 from any web browser software (such as Internet Explorer). Server properties can be set up using two browser pages. See Chapter 5 for details on Server Properties. Setting Server Properties...

  • Page 34: Appendix A: Rs-232 Connections

    RS-232 Connections In the RS-232 mode, the ESP904’s ports are configured as DTEs like a computer. If the device connected to the ESP904 is configured as a DCE use a straight through cable wired as shown below: RS-232 Signal Names...

  • Page 35: Rs-232 Straight-Through Db-9 To Db-25 Conversion Connections

    Figure 46. Loopback Connections for RS-232 For Transmit and Receive loopback, connect only those lines. When Flow Control setting on the Serial Server is set for RTS/CTS, those lines must be looped. Usually DTR and DSR must also be looped. The Flow Control setting for the program must match the Server settings.

  • Page 36: Esp904 Db-9 P In - Outs In Rs-422 M Ode

    The RS-422 mode can be used for full duplex 4-wire RS-485 operation provided that the ESP904 is acting as a sole master connecting to all the slave devices, and all slave devices share the Receive signal lines to the master. Set Flow Control for none, and omit connections to RTS/CTS line pairs.
  • Page 37 The RS-485 Connections are half duplex, either Receive or Transmit, so another half duplex device must be used to check operation. Figure 50. RS-422 Connection with No Flow Control Manual Documentation Number: ESP904-0504 Appendix B Appendix B Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc –...

  • Page 38: Appendix C: Rs-485 Connections

    To connect 4-Wire RS-485 devices, the RS-422 Mode can be used provided the ESP904 will be connected as a master in a single master system. If using multiple masters, the ESP904 cannot be used, as it does not tri-state the transmitter in RS-422 mode.

  • Page 39: C Rossover E Thernet C Able Rj-45 P In - Out

    Brown Figure 53. Pin-out for a Standard Ethernet Cable Manual Documentation Number: ESP904-0504 B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com...

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