GE UR8FH
GE UR8FH - Image 2

GE UR8FH

Product Introduction: The GE UR8FH is a module in the GE Multilin UR (Universal Relay) series, designed for sensor and transducer I/O functions within the universal relay platform. It provides analog input channels for RTDs, transducers, and other sensors, enabling the UR relay to acquire temperature, pressure, and other process variables for protection and monitoring applications. The module plugs into the UR relay chassis and integrates with the CPU and health diagnostics system.

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Category: SKU: GE UR8FH

Description

GE UR8FH

Technical Specifications:

  • Series: GE Multilin UR (Universal Relay)
  • Module Type: Sensor/transducer I/O module
  • Input Channels: Analog inputs for RTDs and transducers (channel count per configuration)
  • Mounting: Plug-in module inside UR relay chassis
  • Configuration: Via EnerVista UR software or front-panel keypad and LCD
  • Operating Temperature: Per UR relay chassis specifications

Functional Features:

  • Acquires analog signals from RTDs, transducers, and other sensors
  • Integrates with UR relay protection and monitoring functions
  • Plug-and-play modular design for quick replacement and upgrade
  • Compatible with UR relay health diagnostics for continuous self-monitoring
  • Configuration via EnerVista UR software for flexible application setup

Application Scenarios:

  • Transformer temperature monitoring and protection (RTD inputs)
  • Motor winding temperature protection
  • Process variable monitoring in industrial automation
  • Substation equipment condition monitoring

Performance Parameters:

  • High-accuracy analog signal acquisition for protection and metering
  • Compatible with standard RTD and transducer signal types
  • Integrated with UR relay diagnostic framework for fault detection

Material and Structural Characteristics:

  • Industrial-grade PCB with precision analog front-end components
  • Plug-in module form factor matching UR relay chassis
  • Front-panel accessible through hinged relay front cover
  • Robust construction for substation and industrial environments

Working Principle: The module receives analog signals from connected sensors (RTDs, transducers), conditions and digitizes them, and transmits the data to the UR relay CPU over the internal backplane. The CPU uses this data for protection functions (such as transformer thermal overload), metering, and diagnostic monitoring. Health diagnostics continuously verify the integrity of the analog input circuits. Installation Requirements:

  • Open the hinged front panel of the UR relay to access the module rack
  • Insert the UR8FH module into the designated sensor I/O slot
  • Connect field wiring from sensors to the rear terminal blocks per schematics
  • Configure input types and scaling using EnerVista UR software
  • Verify signal accuracy during commissioning

Usage Notes:

  • Verify sensor type compatibility (RTD, transducer) before wiring
  • Use shielded twisted-pair cabling for analog signals to minimize noise
  • Configure input scaling and filtering using EnerVista UR software
  • Periodically verify calibration of analog inputs
  • Replace only with an identical UR8FH module to maintain configuration integrity

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