ABB 3BSE020520R1ct Data: ABB 3BSE020520R1 (CI810B AF100 Communication Unit)

Official Full Product Name & Function Description Official Full Name ABB CI810B AF100 Fieldbus Communication Interface Module, Article Number: 3BSE020520R1, S800 I/O Series for ABB System 800xA / Advant OCS DCS Platform Core Function CI810B acts as a dedicated AF100 (Advant Fieldbus 100) gateway module connecting AC800M controllers and distributed S800 I/O stations. It provides dual redundant AF100 twisted-pair fieldbus ports to transmit real-time process data, control commands, and diagnostic signals between central controllers and remote I/O racks. It supports hot-swap operation, built-in bus fault detection, isolated signal circuits, and data buffering to stabilize deterministic fieldbus communication. This module eliminates signal interference between controller backplanes and field I/