ABB KUC711AE101 3BHB004661R0101 3BHB004791R0101 Redundancy Synchronization Module

Technical Specifications

Model: KUC711AE101

Part Number: 3BHB004661R0101, 3BHB004791R0101

Brand: ABB

Product Type: Redundancy Synchronization Module

Communication Interface: Fiber‑optic

Applicable Controller: AC 800M CPU

Applicable System: ABB 800xA DCS

Hot‑swap Support: Yes

Operating Temperature: ‑20℃ ~ +60℃

Protection Class: IP20

Mounting: Rack‑mount installation

Function: Real‑time data synchronization for dual redundant CPU

Product Details

The KUC711AE101 3BHB004661R0101 3BHB004791R0101 is a professional ABB redundancy synchronization module specially designed for AC 800M controller under 800xA DCS system. It undertakes high‑speed real‑time data synchronization task between primary CPU and standby CPU in redundant configuration, which is the core hardware to guarantee seamless switch‑over of dual‑CPU redundant system.

This module adopts fiber‑optic communication mode to complete large‑volume status data and logic variable transmission between two controllers. Optical transmission effectively avoids electromagnetic interference from power cabinets and field equipment, ensures synchronization data consistency even in complex electromagnetic industrial environment. It supports hot‑swap function, operators can replace the module without shutting down the whole control system, minimizing production interruption risk for continuous process industry.

When the main CPU encounters abnormal faults, the KUC711AE101 module can make standby CPU obtain complete operation data in real time, realize bumpless switch‑over without losing process data, so as to keep DCS system running stably. LED status indicators on module surface offer intuitive running and fault diagnosis information, helping maintenance staff quickly locate abnormal points during daily inspection and troubleshooting work.

It adopts standard rack‑mount structure, easy to install and match with AC800M series hardware. Widely used in power generation, chemical, metallurgy and other industries requiring high‑reliability control. It is an essential industrial spare part for project construction, system renovation and on‑site fault replacement of ABB 800xA redundant control system.