Product Overview

The ABB UFD203A101, cataloged under order number 3BHE019361R0101, is a high-precision power supply and regulation module specifically engineered for the UNITROL series of excitation systems. This ultra-compact component serves as a critical power interface, providing stabilized voltage to the control logic and internal circuitry of the excitation unit. By utilizing an advanced microprocessor-based architecture, the UFD203A101 ensures that power distribution remains consistent despite fluctuations in the primary supply. Its specialized design is focused on high-availability environments where even minor power interruptions could lead to significant generator or motor downtime, making it a cornerstone for stable Distributed Control System (DCS) operations.

Physical Design and Electrical Parameters

The UFD203A101 is defined by its miniaturized form factor and high-efficiency performance metrics:

• Model Identification UFD203A101

• Catalog Number 3BHE019361R0101

• Product Range UNITROL Excitation Infrastructure

• Net Weight 0.02 kg

• Unit Dimensions 7.6 x 5 x 1 cm

• Onboard Logic Integrated high-speed microprocessor for power management

• Interface Capability High-speed serial and bus-level data exchange

• Manufacturing Origin Sweden

• System Category DCS Power Control Logic

• Hardware Tariff Code 8537101190

Industrial Deployment Contexts

This power module is a vital asset in the following industrial and utility sectors:

• Generator Excitation Control Providing localized power regulation for UNITROL units to ensure precise field current management.

• Compact Control Cabinets Ideal for high-density DIN-rail or rack-mount configurations where space is extremely limited but high-speed communication is required.

• Power Plant Modernization Acting as a drop-in replacement or upgrade for legacy excitation sub-modules to enhance system efficiency and data throughput.

• Harsh Industrial Monitoring Built to provide stable power in environments with significant electromagnetic noise and vibration, such as large-scale motor control centers.

FAQ

Q: What is the significance of the 0.02 kg weight for the UFD203A101?

A: This ultra-lightweight design indicates a highly integrated solid-state architecture, optimized for direct mounting onto larger control boards or within compact housings without adding mechanical load.

Q: Is the 3BHE019361R0101 compatible with standard Ethernet routers?

A: While the module facilitates communication services typically managed by Ethernet routers in a DCS, it is specifically designed to interface with the internal proprietary buses of ABB UNITROL systems.

Q: Can this module handle fluctuations in input voltage?

A: Yes, the UFD203A101 is engineered with a wide operating voltage tolerance to ensure that the output to sensitive control electronics remains stable even if the primary industrial power source varies.

Q: Does this module require specialized cooling?

A: Due to its high efficiency and low power consumption, the UFD203A101 generally operates effectively with natural convection cooling within a standard industrial enclosure.

Q: What is the benefit of the integrated microprocessor in a power module?

A: The microprocessor allows for active monitoring and self-diagnostics, enabling the module to report its health status back to the central DCS for predictive maintenance.