The ABB 3BHE021889R0101 (UFC721 BE101) is an Analog to Digital Communication Variable Input (ADCVI) board designed for high-performance signal processing in industrial drive systems, specifically compatible with ABB ACS800 and ACS1000 series drives. This board facilitates the precise conversion of analog voltage signals into digital data, ensuring accurate control and monitoring within complex industrial environments.
Features
ADCVI (Analog to Digital Communication Variable Input) circuit board
Designed for integration with ABB ACS800 and ACS1000 drive systems
High-resolution analog-to-digital signal processing
Integrated overvoltage, overcurrent, and short-circuit protection features
Supports precision motor control and monitoring
Applications
Marine and Offshore: Frequency converters for ship propeller control
Oil and Gas: Centrifugal compressors for pipeline and LNG applications
Rolling Mills: High-speed and high-torque motor management for steel and aluminum production
Pumped Storage Power Plants: Variable-speed motor generator grid balancing
Technical Specifications
Model
UF C721 BE101
Order Code
3BHE021889R0101
Supply Voltage
24 VDC +/- 10%
Voltage Input Range
+/- 10 V
Current Input Range
4-20 mA
ADC Resolution
12-bit or higher
Sampling Rate
Up to 10 kHz per channel
Voltage Impedance
>1 MΩ
Current Impedance
250 Ω
Power Consumption
<15 W
Installation Guidelines
Ensure the drive system is fully powered down and locked out before attempting to install or remove the ADCVI board.
Handle the PCB using standard ESD (Electrostatic Discharge) precautions to prevent damage to sensitive components.
Verify that the board is securely seated in the designated drive slot and that all connectors are properly aligned.
For ACS1000 systems, note that this board is a legacy component; consider upgrading to the CVMI2b module as recommended by the manufacturer for long-term support.
Ensure proper grounding of the drive chassis to minimize EMI interference with analog signal processing.
FAQ
What is the primary function of the 3BHE021889R0101 board?
It is an Analog to Digital Communication Variable Input (ADCVI) board used to convert analog signals into digital data for precise control in ABB drive systems.
Is this board compatible with all ABB drives?
No, it is specifically designed for use in ABB ACS800 and ACS1000 drive systems. Please verify your drive model compatibility before installation.
What should I do if this part is unavailable?
For ACS1000 systems, the manufacturer recommends upgrading to the CVMI2b module. Consult the latest ABB technical documentation for specific upgrade kits (e.g., 3BHB040806R0001 for ACS1000A).
