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Description
GE Multilin UR6LH UR-6LH Digital I/O and Control Module
Configured for digital contact acquisition and relay output execution in General Electric Multilin Universal Relay platforms, the GE Multilin UR-6LH (UR6LH Digital I/O and Control Module) provides direct physical/electrical execution for protection and control circuits.
Hardware Specifications
Parameter
Specification
Model
UR6LH / UR-6LH
Brand
General Electric Multilin
Origin
USA
Weight
2 lb
Dimensions
15 cm L x 18 cm W x 4 cm H
Operating Temp
-40 deg C to +60 deg C
Power Consumption
Module power supplied through UR chassis backplane; exact consumption depends on relay configuration
Series
Universal Relay (UR) Platform
Module Type
Digital I/O and Control Module
Input Channels
High-density digital contact inputs
Output Channels
High-speed electromechanical relay outputs
Input Voltage Range
24 to 250 VDC / 110 to 230 VAC configurable threshold options
Contact Output Rating
30 A make for 0.2 s, 8 A continuous at 250 VAC / 30 VDC
Communication Protocols
IEC 61850, Modbus RTU/TCP, DNP 3.0 via UR CPU/Mainframe
Software Interface
EnerVista UR
Profinet / EtherNet-IP Deterministic Networks and Industrial Control Integration
The UR6LH module operates as a plug-in I/O component within the GE Multilin Universal Relay architecture. The module interfaces with the relay CPU through the internal chassis backplane and transfers digital status information for trip logic, interlocking, and control sequences.
The module design supports industrial control requirements through high-density contact inputs, relay output switching, optical isolation, and continuous self-diagnostic monitoring. The hardware architecture allows integration into GE Multilin protective relay systems including C60, L90, T60, and B30 configurations.
Firmware flash compatibility and configuration management are handled through the EnerVista UR software environment. Module operation depends on the installed UR firmware revision and host relay configuration.
Frequently Asked Questions
Q: Is the UR6LH module designed for hot-swap installation? A: The UR6LH is a modular plug-in card designed for GE Multilin UR chassis installation. Hot-swap operation depends on the specific UR relay model, chassis configuration, and applicable maintenance procedure.
Q: How are field signals isolated from internal relay processing circuits? A: The module uses optical isolation methods to separate external contact circuits from internal processing electronics and reduce the effects of EMI and transient disturbances.
Q: Which communication functions are provided directly by the UR6LH module? A: The UR6LH provides physical digital I/O functions. Network communication protocols such as IEC 61850, Modbus RTU/TCP, and DNP 3.0 are handled through the UR CPU and mainframe system.
Field Installation Guidelines
Install the UR6LH module only in compatible GE Multilin Universal Relay chassis slots. Verify chassis power isolation before insertion or removal of the plug-in card.
Connect field wiring according to the relay terminal assignment documentation. Separate low-level signal wiring from high-energy switching conductors to reduce electrical interference. Maintain proper shield termination and grounding practices for installed control cables.
Confirm contact input voltage compatibility and relay output load requirements before energizing field circuits. After installation, verify module recognition, I/O status indication, and diagnostic information through the EnerVista UR software interface.
