GE UR9HH CPU Module

Technical Specifications 

UR9HH CPU Module is a GE Multilin Universal Relay processing unit used for power protection, control, and automation applications. It works as the central processing part of the UR system and manages protection algorithms, programmable logic operations, communication tasks, and real-time data handling.It includes 64 KB SRAM for operating data and 128 KB ROM for firmware storage. The module supports RS-485 communication and Modbus RTU protocol functions for system data exchange. It can handle up to 1024 I/O points through UR series I/O modules.

Core Functions

Manages communication functions through RS-485 interface.
Supports Modbus RTU communication for system data exchange.
Controls programmable logic operations using gates, timers, and latches.
Coordinates data flow between CPU, I/O, and communication modules.
Performs real-time fault analysis and protection calculation.
Supports event recording and operational status monitoring.
Stores firmware and configuration information in internal memory.
Provides diagnostic functions for CPU, memory, and communication status.
Supports EnerVista UR software for configuration and monitoring.
Handles relay settings, logic programming, and parameter management.

Structure

Memory Section

• Includes 64 KB SRAM for operating data storage.
• Includes 128 KB ROM for firmware storage.
• Maintains configuration parameters and relay operation data.

• Receives contact inputs, virtual inputs, analog inputs, CT inputs, and VT inputs.
• Converts field signals into internal logic information for processing.

• Contains firmware-based protection elements.
• Supports programmable logic gates, timers, and latches.
• Performs protection calculations and control sequences.

• Provides RS485 communication interface.
• Supports data exchange with operator interfaces, programming devices, and other relay units.

FAQ  技术常见问题解答

Q: What software supports UR9HH configuration?
A: It works with EnerVista UR Setup software.

Q: What type of module is UR9HH?
A: It is a CPU processing module for GE Multilin Universal Relay systems.

Q: What functions does UR9HH perform in a relay system?
A: It handles computing, logic processing, communication, and data management tasks.

Q: How does UR9HH process relay operations?
A: It executes protection algorithms, programmable logic, and real-time data processing.

Q: Are your products brand new?
A: Yes. We only supply 100% original and brand-new products. All items are sourced through authorized channels and have never been used or refurbished.

Q: Why can customers buy with confidence?
A: Because every product is backed by our 1-Year Warranty Guarantee of Quality, ensuring reliability, customer satisfaction, and long-term support after delivery.

Q: Do you provide international shipping?
A: Yes. We ship products to customers worldwide using reliable international logistics services such as EMS, DHL, UPS, and FedEx.

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