The EL6631 is a high-performance Industrial Ethernet communications module manufactured by Beckhoff. This module offers two 10 Mbps Ethernet ports compatible with standard RJ45 connectors and suitable for cabling in rapid line topologies. It is designed to operate in a range of -25 to +60 degrees Celsius, and comes with a degree of ingress protection IP20 rating. The module supports a variety of communication protocols, including Profinet, Ethercat, Modbus TCP, and POWERLINK, making it ideal for applications in automation, machine control, and robotics.