GE UR9KH CPU Module (Multilin UR Series)(XIONGBA)

  • Price:$999
  • Brand Model: GE UR9KH
  • Product Name: Multilin UR Series CPU Module
  • Warranty: 1 year
  • Size: 160 mm × 100 mm × 60 mm
  • Weight: 1.2 kg
  • Origin: USA
  • Inventory: Spot
  • Delivery Time: 3 days after payment
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Description

Product Overview

The GE UR9KH is a high-performance CPU module designed for GE Multilin’s UR Series Universal Relays, delivering advanced processing power and communication capabilities for critical power system protection and automation. As part of General Electric’s (GE) industrial automation portfolio, the GE UR9KH serves as the core computing engine for UR series relays, enabling real-time monitoring, protection, and control in applications such as power generation, transmission, and distribution. This module supports dual communication ports (10/100Base-T Ethernet and RS485) and is certified for SIL 2 safety applications under IEC 61508, making it ideal for environments requiring high reliability and fault tolerance.

 

The GE UR9KH features a 32-bit RISC processor and 256 MB of memory, providing fast execution of complex protection algorithms and logic control. Its Modbus RTU/TCP and IEC 61850 communication protocols enable seamless integration with SCADA systems, PLCs, and smart grid infrastructure, facilitating remote configuration, data logging, and predictive maintenance. The module supports hot-swappable functionality, allowing maintenance without system downtime, even in hazardous areas (Class 1, Div 2/Zone 2). With wide operating temperature range (-40°C to +70°C) and IP20-rated enclosure, the GE UR9KH ensures reliable performance in harsh industrial environments, including oil refineries, power plants, and mining operations.

 

The GE UR9KH supports IEC 61850 process bus technology, enabling digital substation automation with reduced wiring complexity and enhanced interoperability. Its programmable logic controller (PLC) functionality allows custom control sequences, such as interlocking, permissive logic, and alarm management, while the integrated event recorder captures up to 8,000 events with timestamping for detailed fault analysis. This module is compatible with GE’s EnerVista UR Setup software, providing a user-friendly interface for configuration, firmware updates, and diagnostic tools.

Technical Specifications

Parameter Name Parameter Value
Product Model GE UR9KH
Manufacturer General Electric
Product Type CPU Module (Multilin UR Series)
Control Power 24–48V DC / 110–220V AC
Processor 32-bit RISC processor
Memory 256 MB Flash / 128 MB RAM
Communication Ethernet (10/100Base-T), RS485, Modbus RTU/TCP, IEC 61850
Digital I/O 12 inputs / 6 outputs (expandable via I/O modules)
Analog Inputs 6 channels (0–10V, 4–20 mA)
Analog Outputs 2 channels (4–20 mA)
Operating Temperature -40°C to +70°C
Storage Temperature -55°C to +85°C
Enclosure Rating IP20 (dust and drip protection)
Physical Dimensions 160 mm × 100 mm × 60 mm (6.3” × 3.9” × 2.4”)
Weight 1.2 kg
Certifications CE, UL, RoHS, IEC 61508 (SIL 2)
Redundancy Optional dual redundancy with bumpless transfer

Key Features and Advantages

High-Speed Protection and Control

The GE UR9KH executes protection algorithms with sub-millisecond response times, ensuring rapid fault detection and tripping to minimize equipment damage. Its adaptive restraint logic dynamically adjusts protection thresholds based on system conditions, preventing nuisance tripping while maintaining sensitivity.

Advanced Communication Capabilities

Support for IEC 61850 enables seamless integration with modern digital substations, allowing peer-to-peer communication between IEDs (Intelligent Electronic Devices) and reducing reliance on traditional hardwired connections. The dual Ethernet ports provide redundancy and high-speed data transfer for critical applications.

Safety-Critical Performance

Certified for SIL 2 safety applications, the GE UR9KH incorporates comprehensive internal diagnostics and 1oo1D architecture to ensure reliable operation in safety-critical environments. Its hot-swappable design allows maintenance without disrupting system uptime, even in hazardous areas.

Flexible Logic Programming

The module’s user-programmable logic supports custom control sequences, interlocks, and alarm management, eliminating the need for external PLCs in many applications. This reduces system complexity and lowers installation costs.

Rugged Design

With a wide temperature range and IP20-rated enclosure, the GE UR9KH withstands harsh industrial conditions, including dust, humidity, and vibration. Optional conformal coating further protects against corrosion in offshore or chemical processing environments.

Efficient Maintenance

The integrated event recorder captures up to 8,000 events with timestamps, simplifying root cause analysis. Remote firmware updates via EnerVista software ensure access to the latest features and bug fixes without physical intervention.

Application Areas

Power Generation

The GE UR9KH protects generatorstransformers, and auxiliary motors in thermal, hydro, and nuclear power plants. Its differential protection and synchronized sampling capabilities ensure grid stability and compliance with strict reliability standards.

Transmission & Distribution

In substations, the module monitors high-voltage transmission lines and switchgear, providing distance protectionbusbar protection, and load shedding to prevent blackouts. Its IEC 61850 compatibility supports smart grid initiatives and digital substation automation.

Industrial Automation

For petrochemical plantsmining operations, and water treatment facilities, the GE UR9KH controls pumpscompressors, and conveyor systems, ensuring efficient operation and compliance with safety protocols. Its SIL 2 certification is critical for applications requiring fail-safe control.

Renewable Energy

In wind farms and solar installations, the module manages inverters and energy storage systems, optimizing power output while protecting against grid instability. Its Ethernet connectivity enables centralized SCADA monitoring and predictive maintenance.

Oil & Gas

Offshore platforms and refineries use the GE UR9KH to protect pipeline pumps and gas turbines from voltage fluctuations and ground faults. Its hot-swappable design minimizes downtime during maintenance in hazardous environments.

Related Products

  1. GE UR8NH: A CT/VT module providing 8 analog inputs for current and voltage monitoring, compatible with the UR9KH for expanded measurement capabilities.
  2. GE UR9NH: A CPU module with similar specifications to the UR9KH but without IEC 61850 support, suitable for legacy systems.
  3. GE UR8MH: A digital I/O module offering 8 isolated inputs/outputs for integrating discrete signals into UR relay systems.
  4. GE UR-ETH: An Ethernet communication module expanding network connectivity for UR series relays, supporting protocols like IEC 61850.
  5. GE UR-PWR: A power supply module providing redundant DC/AC power to UR relay systems, ensuring uninterrupted operation during voltage sags.
  6. GE UR-TDI: A transducer input module for connecting analog signals from pressure, temperature, or flow sensors to UR relays.

Installation and Maintenance

Installation Preparation:

 

  • Mounting: Install the GE UR9KH on a DIN rail within the UR relay chassis. Ensure proper grounding to minimize electromagnetic interference.
  • Wiring: Connect CT/VT secondary cables using terminal blocks, following the wiring diagram in the GE Multilin UR Series manual. Use shielded twisted-pair cables for communication lines.
  • Configuration: Use EnerVista UR Setup software to configure IEC 61850 settings, protection algorithms, and communication parameters. Upload the configuration via Ethernet or RS485.

 

Maintenance Recommendations:

 

  • Firmware Updates: Periodically update the module’s firmware to access new features and security patches using EnerVista software.
  • Functional Testing: Perform annual testing with a relay test set to validate protection response times and signal accuracy.
  • Visual Inspections: Check LED indicators for status updates and verify connection tightness. Clean dust from the enclosure to maintain thermal performance.
  • Spare Parts Inventory: Keep a spare GE UR9KH module in stock to minimize downtime during replacements.

Product Warranty and Support

GE provides a 1-year warranty for the UR9KH, covering defects in materials and workmanship. The module is 100% brand new and factory-sealed, ensuring compliance with original specifications.

 

For technical support, GE’s global service network offers 24/7 assistance for system integration, diagnostics, and repair. Customers can access online resources and training programs to optimize the module’s performance and safety protocols.

 

With spot inventory available, GE ensures 3-day delivery after payment, reducing operational risks associated with component shortages.

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