B&B Electronics ESP902E, ESP901E manual Loopback Connections for RS-422

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RS-422 Connections

 

RS-422 Connections

Figure 68. Loopback Connections for RS-422

The RS-485 Connections are half duplex, either Receive or Transmit,

so another half duplex device must be used to check operation.

Figure 69. RS-422 Connection with No Flow Control

Manual Documentation Number: ESP901-902-3704

Appendix B

77

78

Appendix B

Manual Documentation Number: ESP901-902-3704

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 – 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 Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445

www.bb-europe.com

B&B Electronics Ltd – Westlink Commercial Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445

www.bb-europe.com

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Contents Multi-Interface Ethernet Serial Servers International Headquarters Manual Documentation Number ESP901-902-3704m Table of Contents Using Console Mode Features IntroductionDirect IP Mode Virtual COM ModePaired Mode Communication ModesHardware Setup Software InstallationSerial Server Configuration Serial Server Quick Start GuideInstall Virtual COM Ports on PC Check CommunicationsMaking the Hardware Connections Package ChecklistESP901/ESP902 Connections, Indicators and Reset Switch Serial Ports DIP SwitchesSerial Server/Port Operational Modes Console Mode Upgrade ModeRS-232 Mode RS-422 ModeSerial Server Serial Port Connector Pin-outs DTEInstalling the Vlinx ESP Software Software InstallationAutomatic Installation Manual InstallationUpdating an Existing Installation Opening the ESP ManagerSoftware Setup Using ESP ManagerHardware Setup Software Overview MenusSearch for Servers Server Icons PaneSerial Server / Virtual COM Lists Status BarConfigure Server Properties Search Vlinx ESP Dialogue BoxRestarting Dialogue Box Configuring the Serial Server Properties PasswordDescription of the Server Properties Server NameIP Address NetmaskGateway MAC AddressSerial Timeout TCP Alive TimeoutConnection Mode Flow ControlSerial Port Mode Update/SavePort Status TCP/UDP PortFollowing dialogue box will appear Web Server Installing Virtual COM Ports Virtual COM Port InstallationMatching the Serial Server and Virtual COM Port Settings Windows Logo Testing WindowVlinx ESP COM3 Properties Window Removing the Virtual COM port with ESP Manager Removing the Virtual COM Port using Device ManagerRemoving Virtual COM Ports Control Panel Window Upgrading the Serial Server Firmware Downloading the FirmwareUpgrading Via ESP Manager Preparing the SoftwareNavigating the Configuration Menus Using Console ModeConsole Mode Setup Using a Password Saving and Restarting the ConfigurationUsing the WEB Server Setting Server PropertiesWeb Server Operation Navigating the Configuration Menu Using TelnetConfiguration Using Telnet Telnet Configuration Screens Technical Data ESP901 and ESP902Dhcp RS-232 Crossover null modem Cable Connections Serial Server DB-9 Pin-outs in RS-232 ModeRS-232 Straight-through Cable Connections RS-232 Crossover DB-9 to DB-25 Conversion Connections RS-232 DTE Loopback ConnectionsSerial Server DB-9 Pin-outs in RS-422 Mode Appendix B RS-422 ConnectionsLoopback Connections for RS-422 Serial Server DB-9 Pin-out in RS-485 Mode Appendix C RS-485 ConnectionsStandard Ethernet Cable RJ-45 Pin-out Crossover Ethernet Cable RJ-45 Pin-outElectronics September

ESP902E, ESP902, ESP901E specifications

B&B Electronics offers a series of industrial-grade Ethernet serial servers known as the ESP901E, ESP902, and ESP902E. These devices are specifically designed to connect serial devices to an Ethernet network seamlessly, enabling effective communication and data transfer across various applications.

The ESP901E is engineered for single serial port applications, providing an easy and effective way to connect a serial device to a network. It supports various serial communication protocols, including RS-232, RS-422, and RS-485, making it versatile for a range of devices. One of its standout features is the ability to support 10/100 Mbps Ethernet connectivity, ensuring a reliable and high-speed network connection. Additionally, the ESP901E supports various network protocols, including TCP/IP and UDP, allowing users to integrate the device easily into their existing network infrastructure.

Moving to the ESP902, this model provides dual serial port capabilities, making it ideal for applications requiring the connection of multiple devices. Like the ESP901E, it supports common serial interfaces and offers the same 10/100 Mbps Ethernet connectivity. This flexibility enables it to cater to more complex systems where multiple serial devices need to be integrated into a single network environment. Furthermore, the ESP902 is equipped with features such as automatic baud rate detection, making configuration straightforward and reducing installation time.

The ESP902E enhances the capabilities of the ESP902 with additional features such as enhanced security protocols. It includes support for SSL and SSH, ensuring secure data transmission across the network. This added security layer is crucial for applications that handle sensitive information or require secure communication channels. The ESP902E maintains the user-friendly nature of its predecessors while integrating more advanced features suitable for modern industrial applications.

All three models boast rugged designs suitable for harsh environments, making them perfect for industrial applications without compromising performance. With an extensive operating temperature range and robust housing, these devices can withstand the rigors of factory floors and outdoor installations.

Overall, the ESP901E, ESP902, and ESP902E from B&B Electronics collectively serve to bridge the gap between serial communications and Ethernet networks, supporting various industrial applications while ensuring seamless integration, versatility, and security. Whether for simple single-port connections or more complex multi-port setups, these devices are designed to meet diverse connectivity needs with efficiency and reliability.