Description
Overview
The HIEE400961R0001 / UFB009AE01 precision regulator is a compact control module developed for ABB UNITROL® excitation systems. It provides stable regulation performance for excitation and auxiliary control loops, supporting reliable operation in DCS‑based power generation and industrial environments. Its design emphasizes long‑term stability, low power consumption, and straightforward integration into existing excitation architectures.
Technical Specifications
General Information
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Model: HIEE400961R0001 / UFB009AE01
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Manufacturer: ABB
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Product Type: Precision Regulator
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Product Range: UNITROL® Excitation Systems
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System Compatibility: DCS / Excitation Control
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Operating Status: Active
Mechanical Data
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Dimensions: 11.1 × 10.5 × 4.7 cm
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Weight: 0.26 kg
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Compact housing suitable for dense control cabinet layouts
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Durable construction for long‑term industrial use
Electrical & Functional Characteristics
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Regulation module for excitation system feedback and control loops
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Stable performance across varying load and environmental conditions
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Power consumption ≤ 1.5 W for energy‑efficient operation
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Integrated protection features for voltage and thermal stability
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Designed for continuous duty in power generation facilities
Communication & Integration
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Supports MODBUS and CANopen for flexible system connectivity
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Enables deterministic data exchange within excitation and DCS networks
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Compatible with UNITROL system controllers and expansion modules
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Straightforward wiring and commissioning procedures
Environmental Ratings
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Operating temperature: −20°C to +60°C
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Suitable for turbine halls, control rooms, and industrial substations
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Resistant to electrical noise and environmental fluctuations
Diagnostics & Maintenance
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On‑board indicators for operational and fault status
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Supports predictive maintenance workflows
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Easy module replacement to minimize downtime
Application Scenarios
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UNITROL excitation system regulation
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Power plant generator control
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Industrial DCS environments requiring precise low‑power regulation
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Retrofit projects upgrading older excitation hardware
FAQ
Q: Is the HIEE400961R0001 / UFB009AE01 compatible with older UNITROL systems? A: Yes, it integrates with multiple UNITROL generations, provided the system follows ABB’s standard interface specifications.
Q: Does this module require external cooling? A: No, its low power consumption and compact design allow operation within standard cabinet ventilation conditions.
Q: Can it be used in high‑noise electrical environments? A: The module is engineered to maintain stable performance even under significant electrical interference.
