The ABB UNS2880B-P, identified by part number 3BHE014967R0001, belongs to the UNITROL excitation system family. This output module facilitates critical control functions within synchronous generator excitation systems. It serves as a vital bridge between control logic and field power components. Consequently, it ensures stable voltage regulation and reactive power management. The module utilizes high-grade industrial components to maintain operation in harsh substation environments. Its robust architecture supports seamless integration into ABB Distributed Control Systems (DCS).
Technical Performance Data
| Specification Parameter | Value Detail |
| Brand | ABB |
| Model Reference | UNS2880B-P |
| Order Code | 3BHE014967R0001 |
| System Application | UNITROL Excitation / DCS |
| Operating Voltage | 24 VDC |
| Max Input Current | 100 mA |
| Thermal Range | -40°C to +85°C |
| Signal Protection | Optocoupled Isolation |
| Manufacturing Standard | Surface Mount Technology (SMT) |
| Physical Dimensions | 29.6 x 25.4 x 2 cm |
| Total Weight | 0.44 kg |
Principal Technical Features
- Advanced Signal Isolation
The module incorporates high-performance optocouplers for signal output. This design creates a physical barrier against electrical noise. Therefore, it prevents interference from disrupting sensitive control electronics. It also improves overall system safety by limiting transient voltage spikes.
- Environmental Resilience
The hardware functions across an wide temperature spectrum. It operates reliably from -40°C to +85°C without performance degradation. This capability allows for installation in remote or unconditioned industrial enclosures. The Surface Mount Technology (SMT) further enhances resistance to mechanical vibration.
- Certified Reliability
The circuit board complies with CE and UL international benchmarks. These certifications confirm adherence to strict safety and quality protocols. Furthermore, the active product status ensures continued technical support and spare part availability.
Industrial Applications
Power generation plants utilize the 3BHE014967R0001 for generator field control. It manages the high data flow required for real-time excitation adjustments. Hydroelectric and thermal power facilities rely on its precision for grid stability. Additionally, the module supports Ethernet router communication services within DCS networks. Its compact profile enables efficient use of space in crowded control cabinets.
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