1. General Information

• Model: UFC721BE101

• Part Number: 3BHE021889R0101

• ABB Designation: UF C721 BE101

• Product Type: ADCVI Board (Analog‑Digital Conversion & Voltage Interface)

• Applicable System: ABB ACS1000 Medium Voltage Drive Systems

• Function: High‑precision analog input acquisition, voltage signal interface, digital conversion for drive control

• Country of Origin: Switzerland

• Weight: approx. 0.2 kg

• Coating: Conformal coated (harsh environment protection)

2. Electrical Specifications

• Power Supply: 24 VDC (backplane fed)

• Power Consumption: typical 4–6 W

• Analog Inputs:

  • Voltage Range: 0–10 VDC, ±10 VDC selectable

  • Current Range: 4–20 mA

  • Resolution: 16‑bit

  • Accuracy: ±0.1% of full scale

  • Channels: 8 differential analog inputs

• Digital Outputs: 4 channels (TTL level, 5 VDC)

• Isolation: Galvanic isolation between field side and control side

• Sampling Rate: up to 100 kHz per channel

3. Communication & Interface

• Internal Bus: ABB proprietary drive bus

• Signal Interface: Direct connection to voltage/pressure/temperature sensors

• Data Format: Cyclic digital data to main control unit

4. Environmental Ratings

• Operating Temperature: -25 °C to +70 °C

• Storage Temperature: -40 °C to +85 °C

• Relative Humidity: 5%–95% RH, non‑condensing

• Protection Class: IP20 (board level)

• Vibration Resistance: IEC 60068‑2‑6 compliant

5. Mechanical & Installation

• Dimensions (mm): approx. 160 × 60 × 30

• Mounting: Standard ABB drive rack mounting

• Hot Swap: Supported

• Compatibility: Replaces legacy ADCVI boards: 3BHB002916R0001, 3BHB002916R0101

6. Key Features

• High‑Precision Conversion: 16‑bit resolution for accurate drive monitoring

• Multi‑Signal Support: Accepts both voltage and current analog signals

• Harsh Environment Ready: Conformal coated for dust, moisture, and chemical resistance

• Real‑Time Data: Fast sampling for dynamic motor control

• Plug‑and‑Play: Direct replacement in ACS1000 drives

• Diagnostic LEDs: PWR, RUN, COM, FAULT indicators

7. Applications

• Medium voltage drive control (ACS1000 series)

• Analog signal acquisition in power electronic systems

• Motor voltage and current monitoring

• Process data interface for industrial drives

• Retrofit and upgrade of legacy ABB MV drives