Description
ABB UFC721BE101 3BHE021889R0101
1. Product Description
ABB UFC721BE101 3BHE021889R0101 is a high-performance industrial automation controller belonging to the ABB UFC721 series modular components. It is specially designed for industrial applications such as process control, data acquisition, and motor speed control. Featuring high-precision control, multi-protocol communication, and high reliability, it serves as the core control unit for ABB automation control systems and third-party industrial automation equipment, and is also a key original spare part for upgrading legacy controllers and retrofitting industrial control stations.
2. Specifications
| Parameter Category | Details |
|---|---|
| Model | UFC721BE101 3BHE021889R0101 |
| Manufacturer | ABB (Switzerland, globally manufactured, partially locally assembled) |
| Product Type | High-performance industrial automation controller, part of ABB UFC721 series modular components, used for process control, data acquisition, motor speed control, compatible with ABB and third-party industrial automation systems |
| Core Purpose | 1) Process control: execute complex control algorithms for precise regulation of industrial production processes;2) Data acquisition: receive various field signals and complete data acquisition and digital transmission;3) Motor control: achieve precise motor speed regulation for various motor control applications;4) System upgrade: directly replace legacy automation controllers, compatible with existing systems, reducing retrofit difficulty |
| Electrical Parameters | Input voltage: AC 100–240 V;Output voltage: DC 24 V;Rated voltage: 380–690 V AC (operating range);Rated current: 38–240 A;Maximum power: 100 W;Power rating: 18.5 kW;Maximum output current: 2 A;Efficiency: above 96%;Overvoltage/undervoltage/overcurrent/overtemperature protection |
| Control Performance | Equipped with high-performance processor, supports complex control algorithms and massive data processing;Frequency range: 0–1000 Hz;High control accuracy, fast response, enables precise motor speed regulation and closed-loop control of process parameters, ensuring stable and reliable production |
| I/O & Communication | Supports mainstream industrial protocols including Modbus, Profibus, EtherCAT, meeting various industrial networking needs;Standardized I/O interfaces, bidirectional field signal transmission for equipment status feedback and control command issuance without extra protocol converters |
| Physical Dimensions | Standard size: 430 mm × 295 mm × 123 mm;Suitable for industrial standard installation, easy to mount;Weight: approx. 0.4 kg to several kg (varies by configuration); no extra space modification required |
| Protection Degree | IP67, dustproof and waterproof, suitable for harsh industrial environments;Compliant with IEC 60529;Surge immunity compliant with IEC 61000-4-5, excellent anti-EMI performance for stable operation |
| Environmental Rating | Operating temperature: -25°C ~ +60°C (wider range available);Storage temperature: -40°C ~ +85°C;Relative humidity: 5% ~ 95% (non-condensing);Vibration: IEC 60068-2-6; Shock: IEC 60068-2-27; suitable for all industrial scenarios |
| Other Features | Modular design for easy expansion and maintenance;Supports online programming, parameter configuration and firmware upgrade;Built-in fault self-diagnosis for fast fault location;CE and RoHS compliant; MTBF > 100,000 hours;Detailed installation and configuration guide for fast deployment and operation |
3. Functions & Features
(1) Wide Scenario Adaptation & Seamless System Compatibility
- Wide application coverage: designed for core industrial scenarios including process control, data acquisition, and motor speed control, flexibly suitable for power, chemical, oil & gas, general industry and other fields to meet diverse industry control demands with strong versatility.
- Broad system compatibility: fully compatible with all types of ABB automation control systems and third-party industrial automation equipment, supporting various mainstream industrial communication protocols without additional converters. Direct integration into existing systems greatly reduces upgrade and retrofit costs.
- Easy installation and expansion: modular design and industrial standard mounting enable simple installation and removal, fast replacement of old controllers, and shorter downtime. Supports later function expansion with flexible addition of compatible modules based on site needs.
(2) High-Performance Control & Precise Data Processing
- Powerful computing capability: high-performance processor efficiently runs complex control algorithms and processes large amounts of data in real time, quickly responding to field signal changes, achieving precise regulation of process control and motor speed for stable production.
- Multi-dimensional control functions: integrates process control, data acquisition, and motor speed control, realizing closed-loop control of production parameters, accurate field data collection, and stepless motor speed regulation to meet diversified control demands.
- Efficient data transmission: supports various industrial communication protocols with high speed and strong stability, enabling real-time field data collection and upload as well as fast command issuance to ensure coordinated operation of all system units.
(3) Full-Scenario Protection & High Reliability
- Hardware-level full protection: built-in overvoltage, undervoltage, overcurrent, and overtemperature circuits automatically disconnect outputs during power anomalies, overload, or overheating, protecting the device and related field equipment to reduce failure losses.
- High-grade protection design: IP67 rating provides excellent dustproof and waterproof performance for stable operation in dusty, humid harsh environments. Strong anti-interference design passes IEC 61000-4-3/4/5 tests against ESD, surge, and burst to resist field electromagnetic interference.
- High stability quality: built to ABB industrial standards with selected components and compact modular structure. MTBF > 100,000 hours; long-term stable operation in -25°C ~ +60°C, high humidity, and high vibration environments, reducing maintenance frequency and cost and improving production continuity.
(4) Convenient Operation & Flexible Configuration
- Fault self-diagnosis and troubleshooting: complete self-diagnosis monitors running status in real time. Clear alerts for power faults, communication failures, overload, and overheating enable fast fault location and reduce repair time.
- Online configuration and upgrade: supports online programming, parameter setup, and firmware upgrade via ABB software or host computer without disassembly, simplifying maintenance. Control parameters and logic can be flexibly adjusted according to production needs.
- Standardized operation: detailed guides and standardized structure allow easy replacement and maintenance by a single person. Parameter backup and restore support batch configuration and long-term system upkeep.

4. Applications
- Process control: production process control in chemical, oil & gas, pharmaceutical industries, closed-loop control of reactor temperature, pressure, level to ensure stable processes and improved product quality.
- Motor control: speed control for various industrial motors including fans, pumps, conveyors for energy-saving and precise operation, reducing power consumption.
- Data acquisition & monitoring: field data collection for factory automation systems, including sensor signals and operating parameters, providing reliable data support for upper monitoring systems.
- Legacy system retrofit: upgrade and replacement of old controllers in industrial control stations, compatible with ABB and third-party systems without full reconstruction, improving control performance and lowering investment.
- General industry: automation control in metallurgy, building materials, food processing, realizing automatic and precise management of production processes and enhancing efficiency.
5. FAQs & Troubleshooting
1. How to troubleshoot failure to power on normally?
2. How to resolve communication failure or interruption with the host system?
3. How to troubleshoot abnormal motor speed control or insufficient process control accuracy?


