ABB UFC911B108 3BHE037864R0108 Processor Module

Technical Overview

The UFC911B108 (3BHE037864R0108) is a central processing engine designed for the ABB Advant and AC800 series control platforms. Engineered for the high-availability requirements of power generation and large-scale process automation, this module provides the computational power necessary for complex Distributed Control System (DCS) logic. It excels in managing massive I/O datasets with deterministic timing, ensuring that critical control loops in power plants and refineries remain stable. By integrating native support for the Advant Fieldbus 100 (AF100) protocol, the UFC911B108 facilitates ultra-high-speed communication between the controller and distributed I/O clusters, making it a cornerstone for modernizing industrial infrastructure.

Detailed Technical Specifications

The following specifications define the processing power and networking capabilities of the UFC911B108 (Part Number 3BHE037864R0108):

• Manufacturer: ABB (Process Automation Division)

• Module Type: High-Performance Processor Module

• System Series: Advant Control / DCS Solutions

• Primary Processor Logic: High-speed RISC-based architecture for real-time control

• I/O Management Capacity: Supports up to 5,700 total I/O points (Analog and Digital combined)

• Networking Protocol: Advant Fieldbus 100 (AF100) for deterministic data exchange

• Signal Processing: Integrated handling for complex floating-point math and logic sequencing

• System Architecture: Optimized for both Centralized and Distributed I/O topologies

• Thermal Tolerance: Designed for continuous operation in non-climate controlled industrial cabinets

• Power Consumption: Low-profile energy footprint for high-density rack installations

• Physical Dimensions: 2.2 cm (W) x 12.4 cm (H) x 12.6 cm (D)

• Unit Weight: 0.2 kg (0.44 lbs)

Industrial Application and Control Logic

The UFC911B108 is frequently deployed in "Master" or "Slave" configurations within an AF100 network. In power plant applications, it manages the high-speed synchronization of turbine control parameters and auxiliary plant equipment. Its ability to handle 5,700 I/O points allows a single module to manage entire sections of a facility, reducing the required hardware footprint. The module's firmware is optimized for "bumpless" operation, ensuring that data management and signal processing continue uninterrupted during system-wide updates or network re-synchronization.