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 AAI143-S00/A4S00 Analog Input Module Introduction Reliable Analog Input for Industrial Automation The Yokogawa AAI143-S00/A4S00 Analog Input Module delivers dependable signal acquisition for distributed control systems (DCS). Designed for standard analog 420 mA process input *Your Name: *Your Email: *Your Name: *Vdcode: Submit