The ABB 3BSE013230R1, also known as the DI810, is a 16-channel, 24V d.c. digital input module for the S800 I/O system. It is designed to interface digital signals from process equipment to the control system. Each input channel is galvanically isolated from the others and from the module’s logic, ensuring high signal integrity and system protection. The module features sequence of events (SOE) collection capabilities, allowing it to accurately timestamp input signal changes. The DI810 is a robust and versatile module suitable for a wide range of industrial automation applications, offering reliable performance and easy integration within the ABB System 800xA environment.