Overview
Moreover, the UR-9EH acts as the intelligent core of the UR relay system, managing input/output modules, executing protection algorithms, and maintaining reliable data exchange across IEC 61850, DNP3, and Modbus networks. Its modular design allows easy system expansion and flexible adaptation to evolving grid requirements.
Specification
| Parameter | Description |
|---|---|
| Model | UR-9EH / UR9EH / UR 9EH |
| Manufacturer | GE Fanuc Multilin |
| Product Type | CPU Module for Universal Relay |
| Processor | High-speed 32-bit digital signal processor |
| Memory | Non-volatile flash memory for firmware and event storage |
| Communication Protocols | IEC 61850, DNP3, Modbus TCP/IP, SNTP |
| Serial Interfaces | RS232, RS485, and Ethernet ports |
| Operating Voltage | Supplied via relay chassis backplane |
| Environmental Rating | -40°C to +85°C, 95% non-condensing humidity |
| Mounting | Plug-in module with locking latches |
| Certifications | UL, CE, CSA, and IEC standards |
| Compatibility | Works with GE UR-series protection relays (F60, C60, D60, G60, T60) |
FAQ
A1: It functions as the central processor for the UR-series relays, executing control and protection algorithms.
Q2: Is the UR-9EH compatible with older UR relay models?
A2: Yes, it maintains backward compatibility with most GE Multilin UR platforms.
Q3: Can the UR-9EH be upgraded with newer firmware?
A3: Yes, GE provides firmware updates to enhance performance and protocol compatibility.
Q4: What communication protocols does it support?
A4: It supports IEC 61850, DNP3, Modbus TCP/IP, and several legacy protocols for seamless integration.
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