Description
The BC810 (3BSE030230R1) is a single bare interconnection mainboard, the core functional component of BC810K01 and BC810K02 packaged kits. It is supplied individually without TP857 mounting base, TK851 interconnection cable or TB850 bus terminator, reserved for on-site customized collocation for modified control racks with existing spare bases. It solves the bottleneck of overloaded CEX backplane buses caused by dense CI communication modules, which often trigger signal attenuation, short-circuit faults and cross-rack communication crashes in long backplane wiring.
Adopting dual-layer modular hardware architecture, it consists of an upper power and logic board without integrated base. The logic board embeds dedicated 3.3V DC voltage conversion chips, high-speed CEX bus differential drivers and real-time fault diagnosis circuits, enabling low-latency bidirectional data forwarding between segmented CEX buses without signal distortion. It adopts external 24V independent power supply instead of backplane power supply, which reduces power load on AC800M CPU backplanes and avoids CPU performance degradation caused by power supply shortage. The internal voting diodes prevent reverse current damage during dual-power parallel connection in redundant control systems.
All maintenance operations comply with ABB hot-swap specifications, allowing technicians to replace faulty units during full-load continuous production without system shutdown or load reduction. Three sets of front-panel LEDs deliver intuitive visual diagnosis for power failure, link disconnection and bus data conflict. Certified with industrial EMC anti-interference standards, it can resist electromagnetic disturbance from on-site inverters and high-power equipment. Compatible with PM861, PM865, PM866 and other mainstream AC800M controllers, it is widely used in customized redundant DCS reconstruction projects, especially for partial rack bus segmentation where complete packaged kits are redundant, cutting on-site spare part costs while improving overall system communication fault tolerance and operational stability.
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