GE UR9EH UR Series CPU Processor Module in stock
GE UR9EH is the core CPU processor module for GE Multilin Universal Relay (UR) platform, acting as the main computing engine for power protection relays. It executes protection algorithms, programmable logic, data measurement and communication management for substation protection and control systems.
This module adopts high-speed 32-bit RISC processor, equipped with Ethernet and RS232 interfaces, supporting IEC 61850, Modbus TCP and DNP3 protocols. It is discontinued legacy spare, widely used for CPU replacement and upgrade of aging UR series protection relays.
Main Specifications
| Item | Parameter |
| [1] Brand | GE Multilin |
| [2] Model | UR9EH |
| [3] Product Type | High Performance CPU Processor Module |
| [4] Series | Universal Relay (UR) Series |
| [5] Processor | 32-bit high-speed RISC industrial processor |
| [6] Memory | 1MB RAM, 8MB Flash non-volatile storage |
| [7] Communication | 10/100Mbps Ethernet, RS232 local configuration port |
| [8] Supported Protocols | IEC 61850, Modbus TCP, DNP3 |
| [9] Installation | Plug-in slot for UR relay chassis |
| [10] Operating Temp | -20℃ ~ +60℃ |
Core Functions
| Function | Description |
| [1] Protection Algorithm Execution | Run relay protection logic for overcurrent, overvoltage and other power fault protection. |
| [2] Power Data Acquisition & Calculation | Process voltage, current, power and frequency data from CT/VT modules. |
| [3] Programmable Logic Control | Support user-defined logic, latch and timer functions for interlock control. |
| [4] Network Communication & Data Upload | Transmit real-time data and fault records to SCADA via Ethernet protocols. |
| [5] Plug & Play Auto Configuration | Auto detect hardware and initialize settings after installation, reduce configuration workload. |
Application Scenarios
| Industry | Usage |
| [1] Power Substation | Generator, transformer and feeder protection relay core control unit. |
| [2] Thermal Power Plant | Auxiliary power system protection and substation automation control. |
| [3] Oil & Gas Plant | On-site power distribution protection and electrical fault monitoring. |
| [4] Legacy UR Relay System Upgrade & Repair | CPU spare replacement and system upgrade for aging UR series relays. |
FAQ
| Question | Answer |
| [1] What is GE UR9EH? | It is GE Multilin UR series high-performance CPU module as the core processor for universal protection relays. |
| [2] What communication protocols does it support? | It supports IEC 61850, Modbus TCP and DNP3 for substation network communication. |
| [3] What compatibility requirement should be noted? | UR9EH CPU must match the generation of CT/VT module to avoid hardware mismatch error. |
| [4] Is it obsolete spare part? | Yes, it is legacy spare for maintenance and upgrade of old GE UR relay protection systems. |
