GE Multilin UR-9GH UR Series CPU Module

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Manufacturer: General Electric
Product No.: UR-9GH
Country of origin:United States
Product Type: CPU Module
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 500g
Dimensions: 177.0 mm x 482.6 mm x 234.0 mm
Shipping port: Xiamen
Warranty: 12 months

Description

The GE Multilin UR-9GH centrally processes protection logic, communication tasks, and system diagnostics as a core processing hub within the Universal Relay (UR) platform. Specifically engineered as a replacement component for vertical hardware configurations, this CPU Module delivers coordinated calculation capacity to manage extensive electrical substation protection automation. The UR-9GH integrates dedicated serial and network communication cards to route plant parameters via industrial fieldbuses, incorporating a 9G communication architecture that establishes simultaneous links over optical networks and legacy multidrop copper lines. Additionally, it features an integrated 1A / 5A ground current transformer secondary input channel (1A/5A Ground CT) directly on the processing unit assembly. This specialized analog input enables the module to acquire local neutral or residual currents for critical zero-sequence overcurrent protection calculations, optimizing control response and field data routing across high-voltage and medium-voltage power distribution assets.

Features

Coordinates centralized mathematical calculation routines and real-time protection algorithms within UR-series chassis.
Integrates a hardware-level 1 A / 5 A ground current transformer interface directly into the controller assembly.
Equipped with a 9G communication configuration featuring independent dual-media network transceivers.
Runs standard Modbus TCP/IP and DNP 3.0 automation protocols simultaneously for SCADA and DCS master interfaces.
Supports high-speed oscillography capture, detailed sequence-of-events logging, and precision metering.
Designed specifically to match vertical mechanical orientation relay units for drop-in component replacement.

Applications

Substation automation and supervisory control data acquisition (SCADA) systems.
Electrical fault diagnostics, localized ground fault monitoring, and zero-sequence current tracking.
Power generation utility networks requiring concurrent dual-protocol Ethernet and serial communications.
Retrofit or maintenance replacement within existing UR series vertical protection systems.

Ordering Information

Code / Suffix Selection	Component Description
UR-9GH	Main Replacement Part Number for Vertical Units
UR	UR Series Platform Designation
9G	CPU Communication Type: RS485 and 10Base-F Interface Card
H	CT Input Option: 1A / 5A Ground Current Transformer

Technical Specifications

Parameter Category	Specification Details
Manufacturer	GE Multilin (General Electric)
Country of Origin	Canada
Module Type	Central Processing Unit (CPU) Module
Orientation	Vertical mounting configurations
Communication Profile	Type 9G Architecture
COM1 Media Ports	10Base-F (Fiber) and 10Base-T (Copper Ethernet)
COM2 Media Port	RS485 (Serial)
Embedded Protocols	Modbus TCP/IP, DNP 3.0
Analog Ground Input	Dual-rated 1 A / 5 A secondary current transformer
Dimensions	Standard full-height UR Series plug-in card profile

Connections/Interfaces

Connection Port	Function / Protocol Support
COM1 (10Base-F)	Fiber optic network port running Modbus TCP/IP or DNP 3.0 over Ethernet.
COM1 (10Base-T)	Twisted-pair RJ45 copper network port for local engineering workstation deployment.
COM2 (RS485)	Balanced differential multi-drop serial terminal for legacy RTU communication.
Ground CT Terminals	Rear screw terminals allocated for direct connection to external 1A or 5A secondary ground CT wiring loops.

Installation Guidelines

Control Power Safety: Completely isolate and disconnect the control power source feeding the UR rack before extracting or executing an upgrade with the CPU card.
Orientation Verification: Confirm the replacement unit matches the mechanical framework of the rack; this module is intended exclusively for vertical assembly housings.
ESD Mitigation: Technicians must connect an anti-static wrist strap to a verified system ground point before handling the circuit boards of the controller.
Firmware Configuration: After seating the module, check that the existing relay setting files and firmware revision profiles align with the new 9G configuration to avoid processing

Key Features:

#CPU Module

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

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What protocols are natively processed through the COM1 interface on this module?

The COM1 interface utilizes the 9G hardware configuration to handle Modbus TCP/IP and DNP 3.0 communications simultaneously across both fiber and copper links.

Can this specific CPU card be used as a direct replacement in horizontal UR chassis configurations?

No. This module is indexed and structured specifically under order codes intended for vertical replacement units and vertical hardware frames.

Does the ground current transformer input require separate software scaling for 1A and 5A operation?

Yes. The hardware loop accepts both 1 A and 5 A secondary configurations, but the input rating must be explicitly designated in the relay configuration software parameters.

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Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
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Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern	Black
Country of origin	United States
Power source	AC-powered

GE Multilin UR-9GH UR Series CPU Module