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 AAP135‑S00 / K4A00 Analog I/O Module Introduction The Yokogawa AAP135‑S00 / K4A00 is a versatile analog I/O module designed for integration into Yokogawa DCS and PLC systems. It is optimized for capturing pulse and analog signals from field devices such as flow meters, encod *Your Name: *Your Email: *Your Name: *Vdcode: Submit