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 AI820 3BSE008544R1 Analog Input Module Introduction The ABB AI820 3BSE008544R1 Analog Input Module is a reliable signal acquisition component developed for ABB’s S800 I/O automation platform. It is designed to convert field analog signals into accurate digital data for use in *Your Name: *Your Email: *Your Name: *Vdcode: Submit