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 EB401 ER Bus Interface Master Module Introduction The Yokogawa EB401 ER Bus Interface Master Module is a high-performance communication interface designed for distributed control systems (DCS). It serves as the master module for the ER bus, enabling reliable and deterministic *Your Name: *Your Email: *Your Name: *Vdcode: Submit