The Siemens 3RK1400-1CE00-0AA2 is a SIRIUS AS-i Compact Module K45, designed for use within control cabinets. As part of the AS-Interface (Actuator Sensor Interface) system, this module provides a reliable and efficient way to connect digital sensors and actuators to a higher-level control system. It features four digital inputs and four electronic digital outputs, making it a versatile solution for various industrial automation tasks. The module is easily mounted on a standard rail and utilizes screw-type terminals for secure and straightforward I/O and AS-i bus connections, ensuring a robust integration into your control architecture.