Description

GE Multilin UR5FH UR-5FH Universal Relay Module

The GE Multilin UR5FH, also cataloged as the UR5FH Universal Relay Module, operates as a dedicated hardware component for protection, control, and communication execution within GE Universal Relay (UR) platforms.

Hardware Specifications

Parameter	Specification
Model	UR5FH
Brand	GE Multilin
Origin	United States
Dimensions	19-inch rack mount, 5U height chassis format
Operating Temp	-40 deg C to +60 deg C
Product Series	Universal Relay (UR) Platform
Mounting Orientation	Horizontal mounting
Display / HMI	Front panel LCD with navigation keypad and status LEDs
Communication Interfaces	IEC 61850, Modbus RTU/TCP, DNP3.0, IEC 60870-5-104
Ethernet Interfaces	10/100Base-T RJ45 and 100Base-FX fiber optic options
Processing Function	High-speed DSP engine with sequence-of-events recorder
Enclosure Protection	IP54 front panel, IP20 rear terminals

Industrial Control Network Communication and Firmware Compatibility

The UR5FH module is designed for GE Universal Relay systems requiring deterministic communication between protection hardware, control processors, and substation automation networks. The module supports IEC 61850, Modbus, DNP3.0, and IEC 60870-5-104 communication protocols for integration with supervisory and control systems.

GE Multilin UR platform hardware uses modular architecture with configurable processing and communication resources. Firmware flash compatibility is managed according to the UR product family configuration, allowing application-specific relay functions and communication settings to be maintained during module lifecycle operations.

Frequently Asked Questions

Q: Does the UR5FH support hot-swap replacement during relay operation?
A: Hot-swap capability depends on the installed UR chassis configuration and system operating procedures. Replacement should follow GE Multilin maintenance instructions and verify system de-energization requirements.

Q: Which communication networks can be connected to the UR5FH?
A: The module supports IEC 61850, Modbus RTU/TCP, DNP3.0, and IEC 60870-5-104 communication protocols through supported Ethernet and serial interfaces.

Q: What environmental protection ratings are specified for the module enclosure?
A: The available specifications define IP54 protection for the front panel and IP20 protection for rear terminal areas.

Field Installation Guidelines

Install the UR5FH module in the specified GE Universal Relay chassis using the approved rack mounting arrangement. Verify mechanical alignment before securing the module to prevent connector stress.

Use shielded communication cables where required by the installation environment. Route communication wiring separately from high-voltage power conductors to reduce electromagnetic interference.

Connect protective grounding according to the equipment installation requirements. Confirm terminal wiring, communication addressing, and relay configuration parameters before applying operating power.

Maintain adequate cabinet airflow around the rack-mounted equipment and verify that ambient conditions remain within the specified operating temperature range.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems