Product Short Description
Product Introduction
The GE C6M-9UH-00K UR9CH is a core CPU module for GE Multilin’s Universal Relay (UR) series, acting as the processing hub for protective relays in power system protection and control applications. It delivers the computing power to execute real-time protection algorithms, programmable logic, and communication protocols, integrating with CT/VT, power supply, and I/O modules for comprehensive monitoring and control. The module supports FlexLogic programming, multiple industrial communication protocols, and time synchronization, serving as the central processing unit for UR relays in power generation, transmission, and distribution systems. It offers reliable performance in harsh industrial environments, ensuring precise fault detection, isolation, and system restoration for critical power assets.
Description
Technical Specifications
| Parameter | Details |
|---|---|
| Brand | GE Multilin (General Electric Industrial Solutions) |
| Model | C6M-9UH-00K UR9CH |
| Product Type | CPU Module for Universal Relay (UR) Series |
| Processor | 32-bit high-performance industrial processor (9C series core), optimized for real-time protection algorithms |
| Memory | 8 MB Flash memory for firmware and configuration; 4 MB SDRAM for real-time data processing |
| Communication Interfaces | 1 × 10Base-F Ethernet port; 1 × RS485 port (back-panel); 1 × RS232 port for local configuration |
| Synchronization Support | IRIG-B time code input for precise event time-stamping |
| Programming Support | FlexLogic programmable logic engine; IEC 61131-3 compliant programming |
| Protocol Compatibility | Modbus RTU/TCP, DNP3, IEC 60870-5-103, and IEC 61850 (basic edition) |
| Backplane Interface | UR series standard backplane for connecting CT/VT, I/O, and power modules |
| Operating Temperature | -40°C to +85°C (extended industrial range) |
| Storage Temperature | -55°C to +125°C |
| Humidity | 5% – 95% non-condensing |
| Power Requirements | 24 Vdc (from UR relay power supply module), power consumption < 5 W |
| Dimensions | 165 mm × 152 mm × 63.5 mm (6.5 in × 6.0 in × 2.5 in) |
| Weight | Approx. 0.75 kg (1 lb 10 oz) |
| Certifications | UL 508, IEC 61010-1, CE, NERC CIP compliant |
Functional Features
- Real-Time Protection Algorithm Execution: Runs overcurrent, ground fault, overvoltage, undervoltage, frequency, and directional protection algorithms with microsecond-level response times.
- FlexLogic Programmable Logic: Enables custom protection schemes and interlocking logic without hardware modifications, supporting complex control sequences.
- Multi-Protocol Communication: Integrates Modbus RTU/TCP, DNP3, IEC 60870-5-103, and IEC 61850 for seamless SCADA/DCS connectivity and remote monitoring.
- Precise Time Synchronization: IRIG-B input ensures accurate event logging and sequence-of-events (SOE) recording for post-fault analysis.
- Modular System Integration: Works with UR series CT/VT modules, contact I/O, and transducer modules for scalable system building.
- Advanced Event Recording: Captures fault waveforms, system parameters, and relay operations for detailed diagnostic and compliance reporting.
- Cyber Security Features: Supports secure firmware updates, role-based access control, and encrypted communication to protect against unauthorized access.
- High Reliability Design: Operates in -40°C to +85°C temperatures with robust components and fault-tolerant processing.
- Backward Compatibility: Works with legacy UR series modules (8A/8B/8C/8D CT/VT) for system upgrades without full replacement.
- Local & Remote Configuration: Supports front-panel HMI, RS232 local port, and Ethernet remote access for configuration and troubleshooting.
Application Scenarios
- Power Transmission & Distribution: Acts as the CPU for line protection relays (e.g., F60), detecting and isolating faults in transmission lines, ensuring grid stability.
- Transformer Protection: Controls transformer differential, overcurrent, and overvoltage protection in power substations, integrating with tap changer control systems.
- Generator & Motor Protection: Manages generator stator/rotor protection, synchronization, and motor overload/stall protection in power plants and industrial facilities.
- Capacitor & Reactor Bank Protection: Controls capacitor switching, overcurrent, and unbalance protection for reactive power compensation systems.
- Industrial Power Distribution: Used in medium-voltage switchgear for feeder protection, supporting arc flash mitigation and energy management.
- Renewable Energy Integration: Controls protection and grid connection of solar farms and wind turbines, managing voltage/frequency fluctuations and grid fault ride-through.
- Railway & Traction Power: Powers traction substation protection relays, ensuring reliable power supply to rail networks with fast fault isolation.
- Marine & Offshore Power Systems: Protects shipboard and offshore platform power distribution systems, withstanding harsh marine environments.
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