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 AO820 3BSE008546R1 Analog Output Module Introduction The ABB AO820 3BSE008546R1 Analog Output Module is a high-performance device designed to provide precise analog output control in industrial automation systems. As part of the 800xA Distributed Control System (DCS) , the AO820 *Your Name: *Your Email: *Your Name: *Vdcode: Submit