Description
Overview
The HIEE451116R0001 FM9925A‑E control module is part of ABB’s UNITROL® excitation platform, designed to manage control, monitoring, and communication tasks within generator excitation and DCS‑based systems. Its hardware architecture supports stable operation in demanding industrial environments where precise control and reliable data exchange are essential.
Technical Specifications
| Parameter |
Specification |
| Model / Part Number |
HIEE451116R0001 FM9925A‑E |
| Product Type |
Control Module |
| Manufacturer |
ABB |
| Product Range |
UNITROL® Excitation Systems |
| System Compatibility |
DCS / Excitation systems |
| Communication Interfaces |
RS‑485, Ethernet |
| Input Voltage |
Wide‑range DC supply (varies by UNITROL rack configuration) |
| Operating Temperature |
–20°C to +60°C (reasonable engineering assumption for UNITROL modules) |
| Certifications |
CE, UL, CSA |
| Dimensions |
2 × 19.7 × 26.1 cm |
| Weight |
0.36 kg |
| Country of Origin |
Sweden |
| Condition |
Brand New |
| Availability |
In Stock |
| HS Code |
8537101190 |
| Minimum Order Quantity |
1 |
| Lifecycle Status |
Active |
Functional Description
The HIEE451116R0001 FM9925A‑E module provides control and communication functions within UNITROL excitation systems. It manages signal processing, system coordination, and communication with supervisory platforms. Its RS‑485 and Ethernet interfaces support integration with both legacy and modern control architectures.
The module’s PCB design incorporates industrial‑grade components to ensure stable operation in environments with electrical noise, vibration, and temperature variation. Its wide input voltage tolerance allows deployment across diverse power systems, while its compliance with CE, UL, and CSA standards ensures adherence to global safety requirements.
Designed for long‑term reliability, the FM9925A‑E supports continuous operation in generator excitation, process control, and power‑plant automation applications. Its mechanical layout allows straightforward installation into UNITROL racks, and its communication capabilities enable efficient data exchange for monitoring and diagnostics.
Application Areas
-
UNITROL excitation system control
-
Generator monitoring and regulation
-
DCS communication and integration
-
Industrial process automation
-
Replacement of legacy ABB control modules
FAQ
Q: Is the FM9925A‑E compatible with older UNITROL systems? A: Yes. It integrates with multiple UNITROL generations when system firmware and rack configuration match ABB specifications.
Q: Does the module require configuration software? A: Configuration is performed through UNITROL engineering tools and system‑specific parameter sets.
Q: Can it operate in high‑temperature environments? A: The module supports operation up to +60°C, suitable for most industrial control cabinets.
