The ABB DSDI110A 57160001-AAA is a digital input board or module manufactured by ABB. It is part of the Advant OCS (Operator Control System) series and is used to interface with digital input devices in industrial automation applications.

The DSDI110A module is designed to receive and process digital input signals from various devices such as sensors, switches, and push buttons. It converts these input signals into a format that can be understood and processed by the control system.

The module typically offers multiple input channels, allowing it to handle multiple digital input signals simultaneously. It is commonly installed in rack-mounted control systems and communicates with other modules via a digital bus or interface.

ABB DSDI110A 57160001-AAA Digital Input Board Datasheet