The A1000-FIV3030-RE is an Ethernet module made by Omron Automation. It is a one-port Ethernet module that is used to connect an automation device with a network. It supports a variety of network protocols including Modbus TCP/IP, Ethernet/IP, SYSMAC Gateway, and EtherCAT. It also offers advanced features like data buffer for better performance and port monitoring for troubleshooting. It features a built-in web server and a Graphical User Interface (GUI) for easy configuration and quick access to data. The module has wide applications in the industrial automation field and can be used to set up multiple control, communication and data exchange in factory buildings.