Description

GE Multilin UR6DH UR-6DH Universal Relay Module

The GE Multilin UR6DH, also cataloged as the UR6DH Universal Relay hardware module, operates as a dedicated hardware component for protection, control, and relay data processing within GE Multilin Universal Relay (UR) platforms.

Hardware Specifications

Parameter	Specification
Model	UR6DH
Brand	GE Multilin
Origin	Markham, Ontario, Canada
Weight	2.5 lb
Dimensions	6 in L x 7 in W x 1.5 in H
Operating Temp	-40 deg C to +60 deg C
Power Consumption	Dependent on installed modules and power supply configuration
Series	Universal Relay (UR) Family
Form Factor	6U modular chassis, panel/rack mount
Human-Machine Interface	Enhanced graphical LCD with LED status indicators
Power Supply Support	High/Low DC or AC dual power supply configuration
Frequency Support	50 Hz / 60 Hz
Communication Protocols	IEC 61850 Ed. 1 and Ed. 2, Modbus RTU/TCP, DNP 3.0, PRP/HSR
Interfaces	Front RS232 / USB maintenance port, rear redundant Ethernet RJ45 / fiber optic
Sampling Performance	Up to 64 samples per cycle
Environmental Protection	IP54 front panel, harsh environment coating option

Deterministic Network and Firmware Compatibility

The GE Multilin UR6DH uses a modular hardware architecture supporting configurable CPU units, I/O modules, communication cards, and power supply assemblies. The chassis structure allows integration of digital input modules, relay output modules, CT/VT input modules, and communication interfaces within the UR family platform.

The module configuration supports firmware flash compatibility across applicable UR protection variants through the EnerVista UR software environment. Ethernet communication interfaces provide deterministic data exchange paths for IEC 61850 based substation networks and redundant communication configurations including PRP and HSR.

Frequently Asked Questions

Q: Does the UR6DH support field replacement of installed modules?
A: The UR6DH chassis supports modular hardware replacement procedures for compatible UR family assemblies. Module replacement must follow system isolation and manufacturer installation procedures.

Q: What communication interfaces are available on the UR6DH hardware?
A: The hardware supports front maintenance interfaces including RS232 and USB, with rear communication options including redundant Ethernet RJ45 and fiber optic connections.

Q: Is the UR6DH compatible with different UR protection firmware variants?
A: The UR6DH hardware platform supports applicable Universal Relay firmware variants when matched with compatible installed modules and system configuration.

Field Installation Guidelines

Install the UR6DH in a suitable panel or rack enclosure using the specified mechanical mounting provisions. Maintain separation between CT/VT signal wiring, digital I/O conductors, and communication cables to reduce electrical interference.

Connect shielded communication cables according to site grounding practices. Avoid routing low-level measurement signals adjacent to high-current power conductors. Verify chassis grounding, power supply wiring polarity, and communication port configuration before energizing the relay assembly.

Confirm installed module positions and firmware compatibility before commissioning. Use approved EnerVista UR configuration tools for parameter loading, event review, and relay diagnostics.

Specifications

• Brand: General Electric

Advantages

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