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 ADM51-2 S4 Contact Output Module Introduction — Robust Discrete Output for Industrial Automation The Allen Bradley ADM51-2 S4 Contact Output Module is a rugged, high-integrity discrete output interface engineered for demanding industrial control environments. Designed to *Your Name: *Your Email: *Your Name: *Vdcode: Submit