GE UR9GH CPU Module – High-Performance Processor | UR Universal Relay Platform
Engineering Background
The GE UR (Universal Relay) series represents GE Grid Solutions’ flagship platform for substation protection, automation, and control. Designed to IEC 61850 and IEEE standards, the UR platform is deployed globally in transmission, distribution, and generation applications where reliability and deterministic response are non-negotiable.
Product Positioning
The GE UR9GH is the central processing unit (CPU) module for the UR chassis-based relay system. It executes all protection logic, communications management, and real-time data acquisition tasks. Replacing or upgrading the UR9GH directly impacts system throughput, protocol support, and cybersecurity compliance — making correct part identification critical for procurement engineers.
Complete Technical Specifications
- Part Number: UR9GH
- Platform: GE UR Universal Relay Series
- Module Type: CPU / Central Processing Unit
- Manufacturer: GE Grid Solutions (formerly GE Multilin)
- Form Factor: UR Chassis Plug-in Module
- Weight: 840 g (approx.)
- HS Code: 853710
- Country of Origin: Canada
- Communication Protocols: IEC 61850, DNP3, Modbus RTU/TCP, IEC 60870-5-103/104
- Real-Time Clock: Integrated, IRIG-B synchronization capable
- Cybersecurity: NERC CIP compliant firmware support
- Operating Temperature: -20°C to +60°C
- Storage Temperature: -40°C to +85°C
- Humidity: 5% to 95% non-condensing
- Standards Compliance: IEC 60255, IEEE C37.90, UL, CE
Proven Application Environments
- High-voltage transmission substation protection and automation
- Distribution feeder protection with SCADA integration
- Generator protection and excitation control systems
- Transformer differential and bus protection schemes
- IEC 61850 GOOSE-based inter-relay communication networks
- NERC CIP-compliant critical infrastructure control systems
- Retrofit and life-extension projects for aging UR-platform installations
Engineering Advantages
- Deterministic Processing: Real-time OS ensures sub-cycle protection response times
- Multi-Protocol Native Support: Eliminates need for external protocol converters
- Hot-Swap Compatible: Designed for in-service replacement with minimal downtime
- Firmware Upgradeable: Field-upgradeable to support evolving cybersecurity and protocol requirements
- Integrated Diagnostics: Self-monitoring with alarm outputs for predictive maintenance
- Backward Compatibility: Drop-in replacement for earlier UR CPU generations within the same chassis family
System Architecture & Signal Flow
The UR9GH CPU module occupies the dedicated CPU slot in the UR chassis backplane. It interfaces directly with I/O modules (analog inputs, digital I/O, CT/VT inputs) via the high-speed backplane bus. All protection algorithms, logic equations, and communication tasks execute on the UR9GH processor. Configuration and firmware management are performed via GE’s EnerVista UR Setup software over Ethernet or RS-485. Event records, oscillography, and data logs are stored in onboard non-volatile memory and accessible via COMTRADE-compatible export.
Sourcing & Quality Verification
- Source: Authorized distributor stock and verified surplus channels
- Inspection: Each unit undergoes visual inspection, label verification, and functional pre-check before shipment
- Authenticity: GE OEM part numbers and date codes verified against manufacturer documentation
- Warranty: 12-month replacement warranty against manufacturing defects
- Packaging: Anti-static ESD packaging with moisture barrier for international transit
Procurement Process
- Confirm chassis model and UR platform generation with your site documentation
- Submit RFQ via support@konmask.com with quantity and required delivery date
- Receive quotation with lead time, shipping options (DHL / FedEx / sea freight), and payment terms
- Issue PO — we accept T/T, L/C, and major credit cards
- Shipment with full documentation: commercial invoice, packing list, COO, and test report
Technical FAQ
Q: Is the UR9GH compatible with all UR chassis sizes?
A: The UR9GH is designed for specific UR chassis generations. Please confirm your chassis model (e.g., UR-8, UR-6) before ordering. Contact our engineering team for compatibility verification.
Q: Can the UR9GH be configured without GE EnerVista software?
A: No. EnerVista UR Setup is required for initial configuration, settings upload, and firmware management. We can supply pre-configured units upon request.
Q: What is the typical lead time?
A: In-stock units ship within 3–5 business days. For large quantities or special configurations, lead time is 2–4 weeks.
Q: Do you provide IEC 61850 SCL/CID files?
A: Yes. GE-standard ICD files are available upon request for IEC 61850 system integration projects.
Q: Is export licensing required?
A: Depending on destination country, EAR (Export Administration Regulations) classification may apply. We handle all export documentation and compliance screening.
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