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 ADV161-P51 Digital Input Module Introduction The Yokogawa ADV161-P51 Digital Input Module is a high-performance interface designed for reliable acquisition of discrete digital signals in industrial automation systems. Engineered for fast and accurate input processing, it *Your Name: *Your Email: *Your Name: *Vdcode: Submit