ABB KUC711AE 3BHB004661R0001 Redundancy Synchronization Module

Technical Specifications

Model: KUC711AE

Part Number: 3BHB004661R0001

Brand: ABB

Product Type: Redundancy Synchronization Module

Communication Interface: Fiber‑optic interface

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

Core Function: Real‑time data synchronization for dual redundant CPU

Product Details

The KUC711AE 3BHB004661R0001 is a dedicated ABB redundancy synchronization module for AC 800M controller under 800xA DCS platform. It undertakes high‑speed real‑time data interaction between primary CPU and standby CPU, which is the core hardware guarantee for bumpless switch‑over of dual‑CPU redundant control system.

This module adopts fiber‑optic transmission architecture to transmit large‑volume operation status, logic variables and I/O data between two redundant controllers. Optical communication effectively isolates electromagnetic interference generated by power cabinets and on‑site power equipment, maintaining high‑consistency synchronization data even in complex electromagnetic industrial environments. It supports hot‑swap function, maintenance personnel can replace the faulty module without shutting down the whole control system, greatly reducing production halt risks for continuous process industries such as power and chemical.

When the main CPU suffers hardware failure or communication abnormality, KUC711AE can make standby CPU obtain complete and latest process data in real time. The system can realize fast bumpless switch‑over without losing field process data, so that the whole DCS control system keeps continuous and stable operation. LED indicator lights on module front panel clearly display working status and fault codes, helping technicians quickly complete daily inspection and fault location work.

It adopts standard rack‑mount structure, convenient for cabinet installation and matching with AC800M series controller hardware. Widely applied in power generation, chemical industry, metallurgy and other fields with high‑reliability control requirements. It is an essential industrial spare part for new project construction, old system renovation and on‑site fault replacement of ABB 800xA redundant DCS system.