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. ABB UNS 0863A-P,V1 HIEE305082R0001 Digital I/O card Introduction The ABB UNS 0863A-P V1 (HIEE305082R0001) Digital I/O Card is a high-reliability interface module used in ABB UNITROL excitation and control systems . It is designed to manage discrete digital signals between field devices and t *Your Name: *Your Email: *Your Name: *Vdcode: Submit