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 NFDV557-S00 S2 Digital Output Module Product Introduction The Yokogawa NFDV557-S00 S2 Digital Output Module is a high-density industrial control component designed to deliver reliable and precise ON/OFF switching signals in distributed automation systems. As part of Yokogawa’ *Your Name: *Your Email: *Your Name: *Vdcode: Submit