The Allen-Bradley 1756-IV32 is a ControlLogix DC Digital Input Module designed for high-density applications within industrial automation systems. This module provides 32 sinking inputs, operating at a 12/24V DC voltage level, making it suitable for interfacing with a wide variety of sensors, push buttons, and other discrete input devices. As part of the Rockwell Automation ControlLogix platform, it offers robust performance, reliability, and seamless integration into complex control architectures, helping to reduce panel space and streamline system wiring.