Technical Specifications Internal back‑plane bus interface, redundancy link interface, multiple communication interfaces. Operating power supplied by rack back‑plane. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Large‑capacity program and data memory.
Functional Features Executes user control application program cyclically. Processes I/O data exchanged through rack back‑plane bus. Realizes real‑time data mirroring with standby CPU via redundancy link. Supports bumpless master‑standby switch‑over upon master‑unit fault. Front‑panel LED indicators display module running status, redundancy link condition and fault alarm. Built‑in comprehensive self‑diagnosis detects memory, bus and internal hardware abnormality. Supports program download and online debugging via engineering tool.
Application Scenarios Spare redundant CPU processor module for ABB AC800M DCS control rack. Applied in high‑availability process‑control system cabinet maintenance and equipment replacement.
Performance Parameters Stable cyclic program execution performance. Low‑delay redundant data mirroring capability. Fast bumpless master‑standby switch‑over response characteristic.
Material Composition Flame‑retardant plastic module housing. Multilayer glass‑fiber epoxy printed circuit board. High‑performance processing chip, large‑capacity memory assemblies and communication peripheral circuit. Rack back‑plane plug‑in connector and external redundancy‑link communication ports.
Structural Characteristics Standard rack plug‑in module structure. Rear connector connects to rack back‑plane bus. Front panel is equipped with redundancy‑link ports, other communication interfaces and multi‑group status LED indicators. Metal locking screw for rack‑slot fixing.
Working Principle SM810K01 3BSE030928R1 obtains working power from rack back‑plane bus. Under redundant configuration, master CPU runs application program and synchronizes real‑time data to standby CPU through redundancy link. When master‑unit fault is detected, system switches control authority to standby CPU without process interruption.
Installation Requirements Connect redundancy‑link cables. Restore rack power supply, download complete application program and redundant system configuration parameters. Simulate master‑CPU fault condition to verify bumpless switch‑over function.
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