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 S2 Pulse Input Module Introduction The Yokogawa AAP135‑S00 S2 is a high-performance pulse input module designed for industrial DCS and PLC systems. It is engineered to accurately capture and process pulse signals from flow meters, encoders, and other pulse-out *Your Name: *Your Email: *Your Name: *Vdcode: Submit