GE UR9KH CPU Module

Description

Technical Specifications

Core Processing Specifications

• Product Type: CPU/Protection & Control Module
• Series: GE Multilin UR Series Universal Relays
• Processor: 32‑bit high‑performance microprocessor (MIPS32 architecture)
• Clock Speed: 400 MHz
• Memory: 128 MB SDRAM, 128 MB Flash memory
• Firmware Compatibility: UR firmware v4.8x to v6.xx
• Processing Performance: Sub‑millisecond fault detection and response time
• Programming: FlexLogic™ graphical programmable logic environment

Communication Interfaces

• Ethernet Port: 1 × 10/100BASE‑TX (RJ45) for high‑speed network connectivity
• Serial Ports: 1 × RS485, 1 × RS232/RS422 for legacy device integration
• Supported Protocols: IEC 61850 (Ed.1/Ed.2), Modbus TCP/RTU, DNP3, IEC 60870‑5‑104
• Time Synchronization: IRIG‑B, IEEE 1588 PTP, SNTP
• Redundancy: Supports redundant communication paths for high availability

Electrical & Environmental Specifications

• Power Supply: 24 VDC (provided by UR relay chassis)
• Power Consumption: 5 W typical
• Operating Temperature: -40°C to +70°C
• Storage Temperature: -55°C to +85°C
• Relative Humidity: 0–95% RH (non‑condensing)
• Vibration Resistance: 5g RMS (10–500 Hz)
• Shock Resistance: 15g (20 ms half‑sine wave)
• Ingress Protection: IP20 (enclosed chassis installation)
• Pollution Degree: 3 (heavy industrial environment)
• Certifications: IEC 60947‑2, ANSI, IEEE, UL/cUL, CE, CSA compliant

Physical Specifications

• Dimensions: 165 mm × 152 mm × 40 mm (6.5” × 6” × 1.5”)
• Weight: 0.45 kg (1 lb)
• Mounting: Plug‑in chassis mounting for UR‑series relay racks
• Front Panel: LED status indicators for power, communication, and fault diagnostics

Key Features

• High‑Speed Processing: 400 MHz 32‑bit processor for rapid execution of complex protection algorithms.
• FlexLogic™ Programmable Logic: Graphical programming environment for custom automation and interlock logic.
• Comprehensive Protection Functions: Built‑in overcurrent, distance, differential, breaker failure, and voltage/frequency protection.
• Advanced Communication Suite: Dual Ethernet/serial ports with support for all major industrial protocols.
• Real‑Time Event Recording: Captures and stores fault data, waveforms, and system events for post‑incident analysis.
• Hot‑Swappable Design: Allows module replacement without system shutdown to minimize downtime.
• CyberSentry™ Security: Built‑in cybersecurity features compliant with NERC CIP, IEEE 1686, and IEC 62443GE Vernova.
• High‑Precision Measurement: Supports ±0.1% accuracy for current and voltage measurements.
• Modular Scalability: Seamless integration with all UR‑series I/O and communication modules.
• Front‑Panel Diagnostics: LED indicators provide instant visual feedback on module and system status.
• EnerVista Software Support: Full configuration, monitoring, and diagnostics via GE’s professional software platform.
• Industrial‑Grade Ruggedness: Designed for reliable operation in extreme temperatures and high‑vibration environments.

Application Scenarios

• Utility Transmission & Distribution Substations: Primary and backup protection for feeders, transformers, and busbars.
• Power Generation Plants: Generator protection, excitation control, and auxiliary power system management.
• Industrial Power Distribution: Motor control centers, main incoming, and critical load protection.
• Oil & Gas Facilities: Drilling rigs, pumping stations, and processing plant power system protection.
• Mining Operations: Underground and surface power distribution and equipment protection.
• Water & Wastewater Treatment: Pump station and treatment facility automation and protection.
• Data Centers: Critical power distribution, UPS, and generator control systems.
• Marine & Offshore Installations: Vessel and platform electrical system protection and monitoring.
• Renewable Energy Systems: Wind turbine and solar farm grid interconnection protection.
• Heavy Manufacturing: Steel, cement, and chemical plant high‑power equipment protection.
• Railway & Transportation: Traction power systems and substation automation.