Description
ABB UFC721AE 3BHB002916R0001
1. Product Description
ABB UFC721AE 3BHB002916R0001 is an industrial‑grade embedded control and monitoring card, belonging to the supporting module series for ABB automation control systems. It is specially designed for harsh environments such as industrial automation, process control, oil & gas, power, and chemical industries. Integrating analog/digital signal processing, field data acquisition, and control functions, it serves as a core compatible module for ABB DCS/PLC systems and third‑party automation systems, and is also a key original spare part for upgrading legacy monitoring cards and retrofitting field signal acquisition units.
2. Specifications
| Parameter Category | Details |
|---|---|
| Model | UFC721AE 3BHB002916R0001 |
| Manufacturer | ABB (Switzerland, globally manufactured, partially locally assembled) |
| Product Type | Industrial‑grade embedded control and monitoring card with analog/digital signal processing, field data acquisition and control functions, compatible with ABB and third‑party DCS/PLC systems |
| Core Purpose | 1) Signal processing: receive and convert field analog/digital signals, complete data acquisition and digital transmission;2) System compatibility: as a supporting module for ABB automation systems, fits main and extension racks, can directly replace old monitoring cards;3) Field control: process input signals based on programmable logic and output control commands to realize field equipment monitoring and control |
| Electrical Parameters | Operating power: 24 VDC standard industrial power supply (±10% fluctuation compatible);Input: supports 4–20 mA / 0–10 V analog signals, binary digital signals (switch status/indication);Output: supports digital signal output, can drive field actuators;Power consumption: ≤8 W;Overvoltage/undervoltage/overcurrent protection |
| Control Performance | Signal conversion accuracy: ±0.1% FS; Response time: ≤10 ms;Supports synchronous analog/digital signal processing, programmable custom logic operations;Supports signal nonlinear correction to ensure data acquisition accuracy |
| I/O & Communication | Standard terminal base interface for direct field signal cable connection;Compatible with various ABB DCS/PLC systems and third‑party automation devices without additional protocol converters;Supports bidirectional signal transmission for field equipment status feedback and command issuance |
| Physical Dimensions | Standard card size: 120×80×25 mm;Suitable for main and extension rack installation, fixed via terminal base;Weight: approx. 0.2 kg; no extra modification required |
| Protection Degree | Card IP20 (rack‑mounted), metal shielding enclosure;Compliant with IEC 60529; surge immunity compliant with IEC 61000‑4‑5; good EMC performance |
| Environmental Rating | Operating temperature: -40°C ~ +85°C;Storage temperature: -40°C ~ +85°C;Relative humidity: 5% ~ 95% (non‑condensing);Vibration: IEC 60068‑2‑6; Shock: IEC 60068‑2‑27; suitable for harsh industrial environments |
| Other Features | Supports online programming and configuration;Built‑in self‑diagnosis for fast fault location;Metal shielding for effective EMI resistance;CE and RoHS compliant; MTBF > 100,000 hours;Detailed installation and configuration guide for fast deployment |
3. Functions & Features
(1) Multi‑Signal Compatibility & Seamless System Integration
- Flexible signal processing: simultaneously accepts 4–20 mA / 0–10 V analog and binary digital signals, realizing synchronous acquisition and conversion of continuous signals (temperature, pressure, speed) and discrete signals (switch status, equipment status), compatible with various field sensors and input devices.
- Wide system compatibility: fully compatible with all types of ABB DCS/PLC systems and third‑party automation control systems without extra protocol converters. Standardized terminal definitions require no rewiring, greatly reducing system upgrade and retrofit costs.
Easy installation: rack‑mount design fits main and extension racks, connected via terminal bases. Simple installation and removal allow fast replacement of old cards and shorten downtime.
(2) High‑Precision Signal Processing & Reliable Control
- High‑precision conversion: advanced signal processing chips deliver ±0.1% FS analog accuracy and ≤10 ms response, capturing small field changes and ensuring stable, accurate data acquisition.
- Programmable logic control: supports custom programming to process inputs and generate output commands for precise monitoring and control of oil & gas equipment, pipelines, valves, and instruments, improving safety and efficiency.
Stable data transmission: anti‑interference signal processing suppresses on‑site EMI, ensuring reliable data acquisition, conversion, and transmission without loss or distortion.
(3) Comprehensive Protection & High Reliability
- Hardware‑level protection: built‑in overvoltage, undervoltage, and overcurrent circuits automatically disconnect outputs during power anomalies or short circuits, protecting the module and field equipment.
- Strong anti‑interference design: metal shielding and multi‑layer PCB grounding pass IEC 61000‑4‑3/4/5 tests, ensuring stable operation in high‑EMI environments with inverters and high‑voltage equipment.
High stability: built to ABB industrial standards with premium components and compact design. MTBF > 100,000 hours; operates long‑term in -40°C ~ +85°C, high humidity, and high vibration, reducing maintenance.
(4) Easy Maintenance & Flexible Configuration
- Fault self‑diagnosis: full self‑diagnosis monitors running status in real time, providing clear fault alerts for fast troubleshooting and reduced repair time.
- Online configuration & programming: supports online programming, parameter setup, and firmware upgrade via ABB software or host computer without disassembly, simplifying maintenance.
- Standardized operation: detailed guides and modular design allow single‑person replacement. Parameter backup and restore support batch configuration and long‑term upkeep.

4. Applications
- Power industry: signal acquisition and condition monitoring for power plant auxiliaries (fans, pumps); operating parameter collection for substation equipment; high/low current signal conversion and monitoring in power systems.
- Petrochemical & oil & gas: monitoring and control of crude oil/product pipelines; acquisition and conversion of reactor temperature, pressure; monitoring and control of oil & gas equipment, valves, and instruments for onshore and offshore platforms.
- General industry: signal acquisition for pharmaceutical, food processing process control; condition monitoring and conversion for factory automation; upgrade of legacy monitoring cards.
- Other fields: signal monitoring for motors, air conditioners, pumps in construction; status feedback and control for industrial lighting and power factor correction equipment.
5. FAQs & Troubleshooting
1. How to troubleshoot abnormal or distorted signal acquisition?
2. How to resolve communication failure or interruption with the host system?
3. How to ensure stable operation in strong EMI environments?

