B&B Electronics ESR901, ESR904 Communication Modes, Direct IP Mode, Virtual COM Mode, Paired Mode

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Introduction

Communication Modes

The ESR90x Serial servers enable communication with serial devices over a LAN or WAN. Serial devices no longer are limited to a physical connection to the PC COM port. They can be installed anywhere on the LAN using TCP/IP or UDP/IP communications. This allows traditional Windows PC software access to serial devices anywhere on the LAN/WAN network.

Direct IP Mode

Direct IP connections allow applications using TCP/IP or UDP/IP socket programs to communicate with the asynchronous serial ports on the serial server. In this type of application the serial server is configured as a TCP or UDP server. The socket program running on the PC establishes a communication connection with the Serial Server. The data is sent directly to and from the serial port on the server. When using UDP protocol the server can be configured to broadcast data to and receive data from multiple IP addresses.

Virtual COM Mode

Install Virtual COM Mode allows the user to add a driver, to provide a virtual COM port on the computer. The new COM port shows up in the Device Manager. Windows programs using standard Windows API calls are able to interface to virtual COM ports. When a program on the PC opens the new COM port, it communicates with the remote serial device connected to one of the ports on the Serial Server.

After connection, the LAN is transparent to the program and serial device. Applications are able to work just as if the serial device is connected directly to a physical 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 Serial Server, which converts the IP packet back to serial data and sends the data out a serial port located on the Serial Server.

To use this mode, the Serial Server must be set to either TCP/server or UDP/server with a designated communication port number. The virtual COM driver is the TCP or UDP client.

Paired Mode

Paired Mode is also called serial tunneling. In this mode any two serial devices that can communicate with a serial link will be able to communicate using two Serial Servers and the LAN.

Manual Documentation Number ESR90x-0508m

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B&B Electronics Mfg Co Inc – 707 Dayton Rd - 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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Contents Models ESR901, ESR902, ESR904 Multi-Interface Industrial Ethernet Serial ServersPage International Headquarters Page Manual Documentation Number ESR90x-0508m Page Table of Contents Using ESP Manager Using Console Mode Table of Contents Introduction FeaturesIntroduction Virtual COM Mode Direct IP ModePaired Mode Communication ModesHeart Beat Software Installation Hardware SetupSerial Server Quick Start Guide Server Properties Window Serial Server ConfigurationCheck Communications Install Virtual COM Ports on PCIntroduction Making the Hardware Connections Package ChecklistIndicators ESR90x Indicators, Switches and ConnectorsSwitches ConnectorsTerminal Connect to Description Serial Server/Port Operational ModesConsole Mode Default ModeUpgrade Mode RS-232 ModeRS-485H Mode RS-422 ModeRS-485F Mode RS-485 Receiver BiasingBlock Connector Interface Type Jumper Pull up/pull down NumberDB-9 J16 Pull down Port Interface Type Jumper Pull up/pull down NumberESR904 Bias Jumper Locations ESR904 Bias Jumpers Making the Hardware Connections Software Installation Installing the Vlinx SoftwareAutomatic Installation Manual InstallationWhen the Vlinx ESP Setup window appears, click Next Install Shield Wizard Complete Window Updating an Existing InstallationESP Manager Displaying all ESR90x Serial Servers Opening the ESP ManagerHardware Setup Using ESP ManagerDirect Ethernet Connection using a Crossover Cable Software SetupMenus Software OverviewServer Properties window Serial Server / Virtual COM Lists Server Icons PaneStatus Bar Search for ServersClick Yes Configure Server PropertiesUsing ESP Manager Four Methods of Configuring Server Properties Configuring the Serial Server PropertiesDescription of the Server Properties PasswordServer Name Serial NumberIP Address Pinging using the DOS command windowGateway NetmaskMAC Address Version & DateTCP/UDP Protocol Flow ControlTCP Alive Timeout Serial TimeoutConnection Mode Delimiter HEX 1 and Delimiter HEXForce Transmit Serial Port ModePort Status TCP/UDP PortMax Connection Connection AtRemote IP Address Update/Save Server Properties Configuration Virtual COM Port Installation Installing Virtual COM PortsFound Server Window Windows Logo Testing Window Device Manager Window Matching the Serial Server and Virtual COM Port SettingsVlinx ESR COM3 Properties Window Installing Virtual COM Port Removing the Virtual COM port with ESP Manager Removing Virtual COM PortsClick the System icon when the manager window opens Removing the Virtual COM Port using Device ManagerConfirm Device Removal Removing Virtual COM Ports Downloading the Firmware Upgrading the Serial Server FirmwareUpgrading Via ESP Manager Preparing the SoftwareUpgrading the Firmware Click UpgradeConsole Mode Setup Using Console ModeConsole Mode Configuration Screens Navigating the Configuration MenusSaving and Restarting the Configuration Using a PasswordUsing Console Mode Setting Server Properties Using the WEB ServerWeb Server Serial Port Properties Web Server Operation Using the Web Server Configuration Using Telnet Using TelnetManual Documentation Number ESR904-0508m Telnet Configuration Screens Navigating the Configuration MenuSaving and Restarting the Configuration ESR90x Technical Data Options Telnet Mode Configuration Console ModeSerial Interfaces RS-232DTE RS-422Dhcp DisableDimensional Diagram of the ESR901 Dimensional Diagram of the ESR904 RS-232 DB-9M RS-232RS-232 Terminal ESR901 Terminal Block Pin-out in RS-232 ModePin Appendix B RS-422/485Signal Name RS-422 Direction Terminal ESR901 Terminal Block Pin-out in RS-422 ModeRS-485 Direction ESR90x DB-9 Pin-out in RS-485H two-wire, half duplex ModeESR90x DB-9 Pin-out in RS-485F four-wire, full duplex Mode Signal Name RS-422 Direction Terminal RJ-45 Pin RJ-45 Pin Signal Wire ColorCrossover Ethernet Cable RJ-45 Pin-out International Headquarters Manual Documentation Number ESR90x-0508m

ESR902, ESR901, ESR904 specifications

B&B Electronics, a renowned name in industrial networking, has developed a series of robust and reliable products, including the ESR904, ESR901, and ESR902. These devices are integral components designed primarily for serial-to-Ethernet conversion, enhancing data communication across various applications.

The ESR904 is a versatile serial server that supports four serial ports. It effectively enables communication between serial devices and Ethernet networks, facilitating the integration of legacy devices into modern IT environments. With a built-in web server, the ESR904 allows users to manage configuration settings conveniently from a web browser. It supports various networking protocols, including TCP/IP, UDP, and HTTP, ensuring seamless connectivity. Additionally, the device features baud rate settings that can be configured per port, accommodating a wide range of serial devices.

The ESR901 is specifically tailored for single-port serial applications. It provides a straightforward solution for converting RS-232/422/485 serial connections to Ethernet. This simplicity does not compromise functionality, as the ESR901 supports a variety of protocols, including telnet for remote access, making it suitable for diverse networking environments. Its compact design and ease of installation make it an ideal choice for those looking to integrate serial devices without extensive modifications to existing setups.

The ESR902 offers dual-port functionality, allowing it to connect two serial devices to an Ethernet network simultaneously. This dual capability is particularly beneficial for applications that require multiple devices to communicate over a single network connection. Like its counterparts, the ESR902 supports various communication protocols and provides secure data transmission. Moreover, it features diagnostic tools that assist networking professionals in troubleshooting any connectivity issues that may arise.

All three models incorporate features such as flexible mounting options, power over Ethernet (PoE) support, and ruggedized designs to withstand industrial environments. They are designed to operate reliably in harsh conditions, featuring wide temperature ranges and robust housings. B&B Electronics emphasizes security with options for SSH/SSL encryption, ensuring that sensitive data remains protected during transmission.

In summary, the ESR904, ESR901, and ESR902 by B&B Electronics represent valuable solutions for integrating legacy serial devices into Ethernet networks. With their robust feature sets, flexible configurations, and reliable performance, they cater to a diverse range of industries, enhancing connectivity and improving overall operational efficiency.
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