If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. ABB Bailey SPSED01 Digital Input Module Product Introduction The ABB Bailey SPSED01 Digital Input Module is a robust, high‑integrity interface designed to capture and relay discrete ON/OFF signals from field devices into ABB Bailey distributed control systems (such as INFI‑90 *Your Name: *Your Email: *Your Name: *Vdcode: Submit