The ABB DI880 (3BSE028586R1) is a digital input module with high-speed and high-resolution capabilities. It is designed to interface with field devices and process digital input signals in industrial control systems. 

The DI880 module offers 16 input channels, allowing you to connect up to 16 different digital signals. The "HI S/R" in the module name indicates that it is a high-speed and high-resolution version of the digital input module.

With high-speed capabilities, the DI880 module can handle fast-changing digital signals, enabling precise and accurate monitoring and control of industrial processes. The high-resolution feature means that it can detect and process signals with fine-grained resolution, providing detailed information about the input state.

ABB DI880 3BSE028586R1 Digital Input Module Datasheet