ABB UFC911B106 CVMI2B Current Measurement Board 3BHE037864R0106

ABB UFC911B106 CVMI2B - Precision Current Measurement Board for Industrial Drive Systems

The ABB UFC911B106 CVMI2B (3BHE037864R0106) current measurement board delivers high-accuracy current sensing and monitoring capabilities for ABB's industrial drive and control platforms. Engineered with Swiss precision, this measurement interface provides real-time current feedback essential for closed-loop motor control, overload protection, and energy management in demanding industrial applications.

Technical Specifications

• Part Number: 3BHE037864R0106
• Model Designation: UFC911B106 CVMI2B
• Function: Current Measurement Interface Board
• Measurement Type: Multi-phase AC/DC current sensing
• Accuracy Class: ±0.5% full-scale precision for reliable monitoring
• Signal Output: Isolated analog signals compatible with ABB controllers
• Isolation Voltage: High-voltage isolation for safety and noise immunity
• Operating Temperature: -10°C to +55°C for industrial environments
• Mounting: Standard rack-mount configuration for ABB drive cabinets
• Diagnostic Features: Built-in self-test and fault detection LEDs

Industrial Applications & Use Cases

This current measurement board excels across multiple industrial sectors where precise motor current monitoring drives operational efficiency and equipment protection:

Variable Frequency Drive Systems: In manufacturing facilities, the UFC911B106 monitors three-phase motor currents in real-time, enabling predictive maintenance by detecting bearing wear, rotor bar failures, and winding insulation degradation before catastrophic failures occur. The board's fast response time supports dynamic torque control in high-performance servo applications.

Process Industry Integration: Chemical plants and refineries deploy this measurement board within ABB DCS architectures to track pump and compressor motor loads. By correlating current draw with process variables, operators optimize energy consumption and identify process anomalies such as cavitation or mechanical binding.

Power Quality Management: Utilities and large industrial consumers use the CVMI2B interface to monitor harmonic distortion and power factor in critical motor circuits. The precise current waveform data feeds into energy management systems, supporting ISO 50001 compliance and demand response programs.

System Integration & Compatibility

Designed for seamless integration with ABB's ACS800, ACS880, and DCS800 drive families, the UFC911B106 communicates via high-speed internal bus protocols. The board interfaces directly with ABB AC 800M controllers and 800xA distributed control systems, providing deterministic current feedback for advanced control algorithms including field-oriented control (FOC) and direct torque control (DTC).

Installation follows ABB's modular architecture standards—the board slots into designated measurement positions within drive control units, with automatic configuration recognition reducing commissioning time. Hot-swap capability in redundant configurations ensures continuous operation during maintenance activities.

Engineering Advantages

The CVMI2B board incorporates advanced signal conditioning that filters electromagnetic interference common in high-power switching environments. Its wide dynamic range accommodates both low-current standby conditions and peak inrush currents without saturation, eliminating the need for multiple measurement ranges. Temperature-compensated circuitry maintains accuracy across the full operating spectrum, critical for outdoor installations and thermally challenging applications.

Quality & Compliance

Manufactured in Switzerland to ABB's ISO 9001-certified quality standards, each UFC911B106 board undergoes rigorous factory testing including thermal cycling, vibration resistance per IEC 60068, and EMC validation to EN 61800-3. The conformal-coated PCB provides superior protection against humidity, dust, and corrosive atmospheres typical in industrial settings. CE marking and UL recognition ensure global regulatory compliance.

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Support & Documentation

Comprehensive technical manuals, wiring diagrams, and calibration procedures are available for download. Our engineering team provides application support for system integration, troubleshooting, and performance optimization. Global shipping with ESD-protective packaging ensures product integrity from our facility to your installation site.

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