Product Details
Product Description
The GE D25 (Multilin™ D25) is a multifunctional Intelligent Electronic Device (IED) and substation automation controller developed by GE Vernova. It consolidates multiple roles—including PLC, RTU, data concentrator, bay controller, and power quality monitor—into one modular platform. Designed for both new installations and retrofit projects, the D25 streamlines monitoring, control, and automation in substations while maintaining reliable performance under harsh electrical environments.
Its architecture supports extensive I/O capacity, advanced communication protocols, and flexible automation schemes through LogicLinx® soft logic. The rugged design and industrial‑grade components make it suitable for demanding utility and industrial power system applications.
Technical Specifications
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Model / Order Number: GE D25 (Multilin™ D25)
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Manufacturer: GE Vernova (GE Grid Solutions)
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Type: Substation Automation Controller / Intelligent Electronic Device (IED)
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Processor: 32‑bit RISC
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Memory: 64 MB DRAM, 32 MB Flash
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Operating System: QNX real‑time OS
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Digital Inputs: Up to 128
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Digital Outputs: Up to 64
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Analog Inputs: Up to 32
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Analog Outputs: Up to 16
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Communication Ports: Ethernet, serial, modem, fiber optic
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Supported Protocols: Over 110, including DNP3, IEC 61850, Modbus, TCP/IP
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Functions: PLC, RTU, LAN node, IED gateway, bay controller, metering, power quality monitoring, fault/event recording
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Form Factor: Rack‑mounted, modular design
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Environment: Industrial‑grade, suitable for substation conditions
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Local HMI: Optional Data Display Panel or Graphical Display Panel (GDP)
Application Scenarios
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Substation automation and control for utilities and industrial power systems
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Monitoring and management of legacy relays and third‑party devices
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Data acquisition, fault recording, and power quality analysis
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Local HMI operation with optional graphical display
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Software‑based automation schemes via LogicLinx®
FAQ
Q: What functions does the GE D25 integrate? A: It combines PLC, RTU, data concentrator, bay controller, metering, and power quality monitoring into one device.
Q: How many communication protocols are supported? A: Over 110 protocols, including DNP3, IEC 61850, Modbus, and TCP/IP.
Q: Is the D25 suitable for retrofit projects? A: Yes, it is designed for both new installations and retrofits.
Q: What operating system does the D25 use? A: It runs on the QNX real‑time operating system.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.