Beckhoff plc EK9160 is a modular I/O bus coupler in the EtherCAT series. It is designed to connect EtherCAT I/O terminals to the Beckhoff TwinCAT automation software. The EK9160 supports a wide range of digital and analog I/O modules, allowing for flexible and scalable configuration of the control system. It provides high-speed communication between the control system and the connected I/O devices, enabling real-time data acquisition and control in industrial applications.