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Description：

The GE UR9UH is a Central Processing Unit (CPU) Module for the Multilin Universal Relay (UR) Series, serving as the core processing engine for protection, control, and functions in power system applications. It provides deterministic real-time processing for complex protection algorithms, manages high-speed data acquisition, and handles multi-protocol communication including IEC 61850, DNP3, and Modbus. The module features dual 100 Base-FX fiber optic ports and 10/100 Base-T Ethernet for redundant, high-speed substation communication, along with RS485 serial connectivity for legacy device integration.From a supply-chain perspective, the UR9UH represents a critical-path, high-risk spare part.

Specification：

Frequently asked questions

Q1: What is the GE UR9UH CPU Module?

A1: The GE UR9UH is a CPU module used in GE protection and control systems, responsible for executing logic, managing communications, and ensuring reliable system operation.

Q2: What Ethernet connectivity does this UR9UH module provide?

A2: It includes 1 × 10/100 Base-T Ethernet port (RJ45), enabling network communication and integration with control systems.

Q3: What serial communication interface is available?

A3: The UR9UH module is equipped with 1 × RS485 serial port for communication with field devices and industrial networks.

Q4: What is the UR9UH response time of the module?

A4: It features a fast response time of less than 5 milliseconds, ensuring quick processing and system responsiveness.

Q5: What is the UR9UH operating temperature range?

A5: The UR9UH module operates reliably within a temperature range of −40°C to +70°C, suitable for harsh industrial environments.

Product Applications

Power plant and substation: Used for protection of generators, transformers and busbars.

Steel mills and cement plants: Provide reliable power equipment monitoring in harsh environments.

Papermaking and shipbuilding industries: Used for complex protection schemes and industrial process control.

Rail transportation: Applied in the protection of traction power supply systems.