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. Honeywell MC-TDIA12 51304439-175 Isolated Digital Input Card Introduction The Honeywell MC-TDIA12 51304439-175 Isolated Digital Input Card is designed to provide reliable acquisition of discrete field signals while maintaining electrical isolation between field devices and the control system. This is *Your Name: *Your Email: *Your Name: *Vdcode: Submit