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 AAP149-S50 Pulse Input Module Introduction The Yokogawa AAP149-S50 Pulse Input Module is engineered for accurate acquisition and processing of pulse signals from field instruments in industrial automation systems. It is designed for high-speed counting, event monitoring *Your Name: *Your Email: *Your Name: *Vdcode: Submit