GE UR8AH High-Performance Analog Input Module

Technical Specifications

  • Input Channels: 8 high-precision analog input channels
  • Resolution: 16-bit
  • Isolation: Per-channel isolation for enhanced signal integrity
  • Input Types: Supports CT (Current Transformer) and VT (Voltage Transformer) inputs
  • Current Input: 1A or 5A (selectable)
  • Voltage Input: Typically 100V or 110V (configurable)
  • Frequency Range: 48-62Hz
  • Operating Temperature: -25℃ to +70℃
  • Dimensions: 80mm x 60mm x 30mm
  • Weight: Approximately 200 grams
  • Communication: Compatible with Modbus, TCP/IP, and other industrial protocols
  • Configuration Software: EnerVista UR Setup for easy parameter setting and monitoring
Category:
Description

Key Features

  • High Accuracy: With 16-bit resolution and per-channel isolation, the UR8AH captures precise data, enabling early fault detection and prevention.
  • Resilient Design: Built to withstand harsh industrial environments, ensuring reliable operation even in challenging conditions.
  • Flexible Configuration: Supports a wide range of input types and configurations, allowing for customized solutions to meet specific application needs.
  • Seamless Integration: Designed to work seamlessly within the Multilin UR ecosystem, providing actionable intelligence to protection relays.
  • Enhanced Diagnostics: Advanced algorithms verify the integrity of analog signals, providing double-layer evaluation when combined with UR relay health diagnostics.
  • Easy Maintenance: Supports hot-swapping for easy installation and replacement without interrupting system operation.

Application Scenarios

  • Power System Protection: Used in power plants to monitor generator stator current, excitation voltage, and gas turbine exhaust temperature (EGT), supporting protection logic for G60 relays such as volt-per-hertz limitation, overload, and unbalance protection.
  • Substation Automation: In 500 kV hub substations, the UR8AH accesses main transformer oil temperature, winding temperature, and cooler current signals, providing overheating warnings and cooling control for T60 relays.
  • Industrial Power Distribution: Monitors motor bearing temperature, vibration transducer output, or bus voltage in石化 (petrochemical) self-generated power stations or metallurgical plant distribution systems, enabling early fault warnings for P60 motor protection.
  • Legacy System Upgrades: Often used in old substation digital transformation projects to replace dispersed hard-wired transducers, concentrating multiple analog signals into the UR host for simplified wiring, improved system maintainability, and data consistency.
  • Renewable Energy Integration: In wind power and photovoltaic power stations, monitors generator set or inverter output current/voltage to ensure grid connection stability.
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