ABB 3BSE031155R1ABB BC810K02 CEX-bus Interconnection Unit Kit, Order Code: 3BSE031155R1 (AC 8...

ABB BC810K02 CEX-bus Interconnection Unit Kit, Order Code: 3BSE031155R1 (AC 800M / S800 I/O DCS Redundant Bus Kit)ABB Group Complete Kit Contents (Factory Standard) 2 × BC810 standalone CEX-bus interconnection modules Core Function This dual-unit redundant CEX-bus bridge kit is designed for high-availability AC 800M DCS systems, splitting the internal CEX communication bus into isolated physical segments to eliminate full-system communication collapse from single bus faults. Establishes high-speed CEX-bus data links between AC800M CPU racks and distributed S800 I/O stations Supports fully redundant CEX-bus architecture for critical process industries (power, petrochemical, marine) Enables online hot-swap replacement of CPUs or I/O modules without interrupting cross-segment CEX traffic