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 SDV144-S53 S4 Digital Input Module Product Introduction The Yokogawa SDV144-S53 S4 Digital Input Module is a 16-channel digital input module designed for Yokogawa safety and process automation platforms. It provides reliable acquisition of contact input signals and is develo *Your Name: *Your Email: *Your Name: *Vdcode: Submit