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UR9EV

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The GE UR9EV is a high-performance central processing unit (CPU) module for the Multilin UR series, featuring an ARM Cortex-A processor and extensive I/O for advanced protection and control.
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Technical specifications for UR9EV

  • Manufacturer:
    General Electric
  • Part Number:
    UR9EV
  • Product Family:
    GE Multilin
  • Product Type:
    CPU module
  • Stock:
    4
  • Digital Inputs:
    16 channels
  • Digital Outputs:
    16 channels
  • Analog Inputs/Outputs:
    8 channels
  • Bus Channels:
    16
  • Communication Protocols:
    Modbus RTU/TCP, Profibus DP, DeviceNet, DNP3, IEC 61850
  • Power Supply:
    24V DC
  • Operating Temperature:
    0°C to +50°C
  • Weight:
    0.8 kg
  • Estimated shipping dimensions:
    6x20x17.2cm
  • Tariff Code:
    8471504090
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Operational Environments Control Capabilities

Features:

  • Utilizes an ARM Cortex-A series processor to execute complex protection algorithms and manage system data efficiently
  • Offers diverse I/O (digital/analog) and supports multiple protocols (Modbus, Profibus, IEC 61850) for flexible system integration
  • Operates in Conjunction with the M Series and Standard 3500 Monitors
The UR9EV serves as the powerful central processor for the GE Multilin UR series, forming the foundation of advanced protection and control systems . Its high-performance ARM Cortex-A processor enables the rapid execution of complex protection algorithms, ensuring fast fault detection and reliable system operation . This processing power is essential for critical applications such as generator protection, transformer protection, and transmission line protection, where milliseconds can determine the outcome of a fault event . The UR9EV's ability to handle intensive computational tasks ensures that system integrity and stability are maintained in the most demanding scenarios.

The UR9EV is designed for maximum flexibility, offering a comprehensive array of I/O points and communication interfaces to suit any application. It provides 16 digital inputs, 16 digital outputs, and 8 analog input/output channels, allowing it to connect to a wide variety of sensors, actuators, and transducers . This flexibility is complemented by its support for multiple industry-standard communication protocols, including Modbus, Profibus DP, DeviceNet, DNP3, and IEC 61850 . Such extensive connectivity enables the UR9EV to integrate seamlessly into both new and legacy systems, facilitating real-time data exchange and centralized monitoring.

Built to withstand the rigors of industrial and utility environments, the UR9EV features a robust, modular design that ensures long-term reliability . Its construction complies with key safety and performance standards, such as IEC 60255 and IEEE C37.90 . The module's large operating temperature range (0°C to 50°C) and durable construction make it suitable for installation in control cabinets and other challenging locations . This focus on durability, combined with its advanced diagnostic and fault-recording capabilities, makes the UR9EV a dependable cornerstone for critical power system infrastructure.

The UR9EV GE CPU module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

GE UR9EV CPU module Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
GE UR9EV CPU module Specs

General

  • Manufacturer GE
  • Model UR9EV
  • Condition New Original ready stock
  • Product Family UR8FH,UR8HH,UR1HH,UR9GH
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • High-Voltage Transmission Protection: Drives high-speed distance relays (e.g., D60) and line current differential relays (e.g., L90) to secure high-voltage and extra-high-voltage transmission networks.
  • Substation Automation & IEC 61850 Integration: Serves as a primary gateway for automated substations, using its advanced processor to manage real-time peer-to-peer GOOSE messaging and Sampled Values (SV).
  • Generation & Large Machinery Protection: Controls power plant generator relays (G60) and large motor protective systems (M60) to prevent devastating electrical faults in turbines and pumps.
  • Temperature & Humidity Ranges: Engineered to operate seamlessly across a broad temperature span from -40°C to +85°C (-40°F to 185°F) with non-condensing relative humidity up to 95%.
  • Electromagnetic Compatibility (EMC): Heavily shielded against severe electrical noise, high-frequency transients, and electro-static discharges (ESD) typically found near high-voltage switchyards (compliant with IEEE C37.90 and IEC 60255 standards).
  • Vibration & Shock Resistance: Designed to withstand continuous physical vibrations and structural shocks up to 2G, making it safe for mounting inside wind turbine nacelles or near heavy stamping mills.
  • Advanced Digital Signal Processing (DSP): Continuously monitors analogue inputs (current/voltage waveforms), running microsecond-level Fast Fourier Transforms (FFT) to extract true RMS values and harmonics.
  • Programmable Logic Control (FlexLogic™): Executes custom control equations, interlocking logic, and sequential actions, enabling the relay to control physical circuit breakers directly based on grid conditions.
  • Sequence of Events (SOE) & Oscillography: Captures high-resolution transient fault records (up to 64 samples per cycle) and timestamps system events down to 1 millisecond accuracy using IRIG-B or IEEE 1588 (PTP) time synchronization.
Description
The GE UR9EV is a central processing unit (CPU) module designed for the Multilin Universal Relay (UR) series, serving as the core of protection and control systems . This module executes complex control algorithms, processes data from various inputs, and manages communication with other devices in the system.

The GE UR9EV offers a wide range of I/O capabilities, including 16 digital inputs, 16 digital outputs, and 8 analog input/output channels . This versatile configuration allows the UR9EV to interface with a broad spectrum of field devices, from simple switchgear to complex transducers. It supports up to 16 bus channels, enabling extensive system expansion and connectivity.

The GE UR9EV is designed with a strong emphasis on communication and integration, supporting a comprehensive suite of industrial protocols, including Modbus RTU, Modbus TCP/IP, Profibus DP, and DeviceNet . This versatility allows the UR9EV to seamlessly connect with supervisory control and data acquisition (SCADA) systems, human-machine interfaces (HMIs), and other intelligent electronic devices (IEDs).

UR9EV operates on a 24V DC power supply and is rated for a temperature range of 0°C to 50°C, ensuring reliable performance in standard industrial control cabinet environments . The module's solid construction and quality certifications make it a trusted choice for protecting critical assets in power generation, transmission, and heavy industry .
Alternative Names
UR8FH UR8HH UR1HH UR6PH URRHH UR9GH UR67H UR6EH
Technical notes
The GE UR9EV is a high-performance CPU module for the Multilin UR series, engineered for demanding protection and control applications. Powered by an ARM Cortex-A processor, it offers significant I/O (16 DI/DO, 8 AIO) and robust communication via Modbus, Profibus, and IEC 61850. Its rugged, modular design ensures reliable operation in industrial environments
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the primary function of the GE UR9EV?
It is the CPU module for the Multilin UR relay series, acting as the central processor for executing protection logic, managing I/O, and handling system communications.
What communication protocols does the GE UR9EV support?
It supports a wide range of protocols, including Modbus RTU/TCP, Profibus DP, DeviceNet, DNP3, and IEC 61850, for seamless system integration.
What are the key I/O capabilities of the GE UR9EV?
It features 16 digital inputs, 16 digital outputs, and 8 analog I/O channels, allowing it to interface with numerous field devices.
In which applications is the GE UR9EV typically used?
It is extensively used in power system protection (substations, generators), industrial automation, and energy management systems.

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