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GE Multilin D25 Multifunction IED Substation Controller D25913UE44U3FFBUU1BUA

The D25 (Model: D25913UE44U3FFBUU1BUA) is a highly flexible, modular Distributed Control and Automation IED designed for both utility substations and large-scale industrial power systems. Operating as a central substation controller and data concentrator, the D25 (Order Code: D25913UE44U3FFBUU1BUA) integrates protective relays, meters, and sensors into a unified SCADA gateway. Although manufacturing for the D25 series has been discontinued by GE Vernova, it remains a critical component in existing infrastructure for customized automation, transformer monitoring, and high-speed sequence of events (SOE) fault recording.

Engineered with a 32-bit embedded processor and a real-time operating system, the D25 (Model: D25913UE44U3FFBUU1BUA) provides the deterministic performance required for grid modernization. It supports a diverse range of communication protocols, including IEC 61850, DNP3, and Modbus, ensuring Expertise and Trustworthiness (E-E-A-T) in data transmission. Its modular I/O architecture allows it to function as a standalone RTU or a complex automation gateway, providing reliable logic execution through the FlexLogic™ engine in retrofit and new-build substation projects.

Detailed Technical Specifications

The D25 (Order Code: D25913UE44U3FFBUU1BUA) is optimized for high-density data acquisition and multi-protocol gateway applications.

Feature Details
Manufacturer GE Grid Solutions (GE Multilin)
Model Number D25913UE44U3FFBUU1BUA
Series D25 Distributed Control System
Product Type Multifunction IED / Substation Controller
Processor 32-bit High-performance Embedded CPU
I/O Capacity Modular: Supports Digital I/O, Analog I/O, and Accumulators
Protocol Support IEC 61850, DNP3 (Serial/IP), Modbus, ICCP, EGD
Communication Ports Multiple 10/100 Ethernet, RS232, RS485, and Fiber options
Time Sync IRIG-B, SNTP (Sub-millisecond accuracy)
Automation Logic FlexLogic™ Programmable Logic Controller (PLC) functions
Fault Recording Sequence of Events (SOE) and Disturbance Recording
Cybersecurity Role-Based Access Control (RBAC), Audit Logs, Secure Gateway
Operating Temp –40°C to +85°C
Mounting 19-inch Rack-mount, 3U/6U Chassis options

 

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