The Allen-Bradley 1794-IB16 is a high-density digital DC input module from the FLEX I/O family. It is designed to provide 16 sinking inputs for interfacing with various field devices like sensors, push buttons, and limit switches. As part of the modular FLEX I/O system, this module offers exceptional flexibility and scalability for distributed I/O applications in industrial automation. Its compact design saves panel space while providing reliable signal processing and communication with a controller over a network. The 1794-IB16 is a robust and widely-used solution for collecting digital signals in a variety of manufacturing and process control environments.