The Allen-Bradley 1734-IB4K is a POINT I/O 4-point sinking digital input module designed for use in industrial control systems. It provides a compact and modular solution for interfacing digital input signals, such as those from sensors, push buttons, and limit switches, with a controller. As part of the versatile POINT I/O family, this module offers flexibility and high-density I/O, making it ideal for applications where space is limited. It operates on a nominal 24V DC voltage and is engineered for reliability and easy integration within a Rockwell Automation control architecture.