Description
Detailed parameter table
| Parameter name | Parameter value |
| Product model | UFC921A101 3BHE024855R0101 |
| Manufacturer | ABB |
| Product category | Advanced Industrial Signal Conditioner / Transmitter Module |
| Input type | Strain gauge, load cell, pressure sensor, thermocouple (mV/V, mV input range) |
| Output signal | 4-20 mA, 0-10 VDC, Modbus RTU (configurable) |
| Excitation voltage | 5 VDC, 10 VDC, 12 VDC, 24 VDC (selectable); 4-wire sensor support |
| Measurement accuracy | ±0.03% FS (including linearity, hysteresis, repeatability) |
| Sampling rate | 500 Hz (50 samples/second) |
| Operating voltage | 18-30 VDC |
| Power consumption | 4 W typical, 6 W maximum |
| Isolation rating | 3 kVrms (input to output/ground) |
| Operating temperature | -25°C to +70°C (-13°F to +158°F) |
| Humidity tolerance | 5% to 95% RH (non-condensing) |
| Installation method | DIN rail mount (35mm) |
| Dimensions | 115mm × 65mm × 120mm (4.53″ × 2.56″ × 4.72″) |
| Certifications | CE, UL, CUL, ATEX, IECEx, RoHS, ATEX Ex ia IIC T4 |
| MTBF | >350,000 hours |
ABB UFC921A101 3BHE024855R0101
Product introduction
The ABB UFC921A101 3BHE024855R0101 represents an advanced iteration of industrial signal conditioning technology, building upon ABB’s legacy of precision measurement solutions. As a high-performance signal conditioner and transmitter, this module is engineered to process low-level signals from a broader range of sensors than its predecessors, including strain gauges, load cells, pressure transducers, and thermocouples. It serves as a critical interface in industrial automation systems, converting weak, noise-prone sensor signals into robust, standardized outputs for seamless integration with control systems, PLCs, and data acquisition platforms.
ABB UFC921A101 3BHE024855R0101 distinguishes itself with enhanced environmental resilience and expanded connectivity options, making it suitable for the most demanding industrial environments. Its ability to handle multiple sensor types while maintaining exceptional accuracy positions it as a versatile solution for complex measurement applications where precision, reliability, and adaptability are paramount. When paired with sensors like the ABB PFTL301E 3BSE019050R10001.0KN load cell, it forms a complete measurement chain that delivers actionable data for process optimization, quality control, and safety monitoring.
Core advantages and technical highlights
Superior measurement precision: Building on ABB’s precision engineering, ABB UFC921A101 3BHE024855R0101 achieves an exceptional accuracy rating of ±0.03% full scale, representing a significant improvement over standard signal conditioners. This enhanced precision is enabled by a high-resolution 24-bit ADC and advanced digital signal processing algorithms that minimize errors from linearity, hysteresis, and temperature drift. The module’s 500 Hz sampling rate ensures capture of rapid signal variations, making it ideal for dynamic measurement applications such as material testing and high-speed production processes.
Extended sensor compatibility: Unlike more specialized signal conditioners, ABB UFC921A101 3BHE024855R0101 offers broad sensor compatibility, supporting not only strain gauges and load cells but also thermocouples and mV-level transducers. This versatility eliminates the need for multiple specialized modules in mixed-sensor applications. The module provides selectable excitation voltages (5 VDC to 24 VDC) and supports 4-wire sensor configurations for enhanced measurement stability, ensuring seamless integration with sensors like the ABB PFTL301E 3BSE019050R10001.0KN and various temperature and pressure sensors.
Enhanced environmental robustness: ABB UFC921A101 3BHE024855R0101 extends operating parameters with a temperature range of -25°C to +70°C, making it suitable for extreme environments from cold storage facilities to high-temperature industrial zones. Its 3 kVrms isolation rating provides superior protection against electrical noise and ground loops, while ATEX Ex ia IIC T4 certification ensures safe operation in hazardous areas with potentially explosive atmospheres. The module’s rugged construction includes reinforced overvoltage and reverse polarity protection, ensuring durability in harsh industrial conditions.
Integrated digital communication: A key advancement over previous models is the inclusion of Modbus RTU communication alongside analog outputs, enabling both continuous analog signal transmission and digital data exchange. This dual-output capability allows ABB UFC921A101 3BHE024855R0101 to provide real-time control signals while simultaneously transmitting diagnostic data, calibration parameters, and measurement statistics to supervisory systems. This digital connectivity enhances system visibility and simplifies remote monitoring and configuration.
Typical application scenarios
In hazardous process industries such as chemical and petrochemical manufacturing, ABB UFC921A101 3BHE024855R0101 plays a critical role in safely monitoring process variables. Certified for explosive environments, the module conditions signals from pressure transducers and thermocouples in reaction vessels, providing accurate measurements to DCS systems while maintaining intrinsic safety. Its broad temperature tolerance ensures reliable operation near heat sources, while its high isolation protects sensitive control electronics from electrical interference in plant environments.
Advanced manufacturing facilities utilize ABB UFC921A101 3BHE024855R0101 in precision assembly and testing applications, where it processes signals from ABB PFTL301E 3BSE019050R10001.0KN load cells and other sensors. In automotive component testing, for example, the module provides precise force and torque measurements during fatigue testing, with its high sampling rate capturing transient forces that would be missed by slower devices. The Modbus RTU interface enables integration with data logging systems for detailed analysis of test results and quality assurance documentation.
Food and beverage processing plants deploy ABB UFC921A101 3BHE024855R0101 to monitor both weight-based and temperature-dependent processes. The module conditions signals from load cells in ingredient dosing systems and thermocouples in cooking vessels, providing unified measurement data to process control systems. Its rugged design withstands washdown procedures with harsh cleaning agents, while its wide operating temperature range ensures reliability in both refrigerated and high-temperature processing areas. The module’s accuracy helps maintain product consistency and compliance with food safety regulations.
ABB UFC921A101 3BHE024855R0101
Comparison with UFC9214101
While ABB UFC9214101 excels in standard industrial environments, ABB UFC921A101 3BHE024855R0101 offers several key enhancements:
Accuracy: Improved from ±0.05% to ±0.03% FS, enabling more precise measurements in critical applications.
Sensor compatibility: Expanded to include thermocouples and 4-wire sensor configurations, increasing application versatility.
Environmental range: Operating temperature extended from -20°C to +60°C to -25°C to +70°C for harsher environments.
Isolation: Increased from 2.5 kVrms to 3 kVrms for enhanced noise immunity in electrically noisy environments.
Communication: Added Modbus RTU digital communication for advanced data exchange and remote monitoring.
Hazardous area certification: New ATEX Ex ia IIC T4 certification enables use in explosive environments.
Sampling rate: Increased from 100 Hz to 500 Hz for capturing dynamic signal variations.
Related model recommendations
ABB PFTL301E 3BSE019050R10001.0KN: Load cell sensor that pairs with ABB UFC921A101 3BHE024855R0101 for high-precision force measurement.
ABB UFC9214101 3BHE024855R0101: Standard signal conditioner for applications not requiring hazardous area certification or thermocouple support.
ABB D674A905U01: Safety relay module that integrates with conditioned signals from ABB UFC921A101 3BHE024855R0101 for safety interlocks.
ABB GFD563A102 3BHE046836R0102: Ethernet module that facilitates transmission of Modbus data from ABB UFC921A101 3BHE024855R0101 to networked systems.
ABB PM865K01 3BSE018106R1: PLC processor that receives both analog and digital data from ABB UFC921A101 3BHE024855R0101.
ABB 3HAC031684-001: Explosion-proof M12 cable assembly for safe connections in hazardous areas with ABB UFC921A101 3BHE024855R0101.
ABB TC510V1 3BSE013230R1: Time code converter that synchronizes data acquisition with ABB UFC921A101 3BHE024855R0101 measurements.
ABB XVC763A 3BHE036885R0102: Managed switch supporting network infrastructure for systems incorporating ABB UFC921A101 3BHE024855R0101.
Installation, commissioning and maintenance instructions
Installation preparation: Before installing ABB UFC921A101 3BHE024855R0101, verify the environment is within the -25°C to +70°C operating range and compatible with its ATEX certification if used in hazardous areas. Ensure the 18-30 VDC power supply provides stable output with minimal ripple. Use shielded twisted-pair cables for all sensor connections, with proper grounding of shields at both ends to maximize noise rejection. In hazardous locations, use only certified explosion-proof cables and connectors. Mount the module on a clean 35mm DIN rail, ensuring adequate spacing from heat sources and maintaining proper clearance for ventilation. Configure excitation voltage and input type using the integrated DIP switches before connecting sensors.
Maintenance suggestions: Perform quarterly visual inspections of ABB UFC921A101 3BHE024855R0101 to check for secure connections, dust accumulation, and signs of physical damage. In hazardous areas, follow proper lockout/tagout procedures before any inspection. Verify status indicators show normal operation and review Modbus diagnostic data regularly. Calibrate the module annually using traceable standards, following ABB’s calibration procedures specific to the connected sensor types. Clean ventilation openings periodically with compressed air (maximum 5 bar) to prevent overheating. Monitor output signals for drift, which may indicate the need for recalibration or sensor maintenance. When paired with safety systems, test the complete measurement chain during maintenance to ensure proper operation of safety functions.
Service and guarantee commitment
ABB provides ABB UFC921A101 3BHE024855R0101 with an industry-leading 48-month warranty covering manufacturing defects and ensuring compliance with published performance specifications under normal operating conditions. Our global technical support network includes specialists in hazardous area installations and precision measurement applications, offering expert assistance for installation, configuration, calibration, and troubleshooting.
Customers receive access to specialized resources including hazardous area installation guides, sensor-specific calibration procedures, and application notes for integrating with sensors like ABB PFTL301E 3BSE019050R10001.0KN. Beyond the warranty period, ABB offers certified calibration services using traceable standards, technical support for system optimization, and expedited replacement options to minimize downtime in critical applications. ABB’s commitment to excellence ensures that ABB UFC921A101 3BHE024855R0101 delivers reliable, precise signal conditioning in even the most demanding industrial environments, backed by our extensive experience in measurement and control technologies.
