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 NFAI841-S00 S2 Analog I/O Module High-Density Analog I/O for Advanced Process Automation The Yokogawa NFAI841-S00 S2 Analog I/O Module is a high-performance industrial interface module designed for precise analog signal input and output in distributed control systems (DCS) *Your Name: *Your Email: *Your Name: *Vdcode: Submit