The ABB DO880 is a high-integrity, 8-channel digital output module designed for the S800 I/O system. It features 24 V solid-state relay (SSR) outputs and is specifically engineered for safety-critical applications, meeting SIL3 requirements according to IEC 61508. Each channel is galvanically isolated and includes built-in diagnostics, such as short circuit and open circuit detection, to ensure reliable operation. The DO880 can be configured for both single and redundant applications, providing a flexible and robust solution for process control and safety systems where high availability and integrity are paramount.