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. Yokogawa ADM52C-S2 Contact Input Module Introduction The Yokogawa ADM52C-S2 Contact Input Module is a rugged discrete input interface designed for Yokogawa distributed control systems (DCS) and modular I/O platforms. It captures contact closure signals from field devices—such a *Your Name: *Your Email: *Your Name: *Vdcode: Submit