UR9TH Multilin GE UR Series CPU Module for Protection Relays
Manufacturer: GE Fanuc
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Part Number: UR9TH
Condition：New with Original Package
Product Type: CPU Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE UR9TH Multilin UR Series CPU Module
The GE UR9TH, also cataloged as the UR9TH CPU Module, operates as a dedicated hardware component for high-speed protection algorithm execution, logic processing, and multi-protocol communication management within Multilin UR Series universal relay platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | UR9TH |
| Brand | GE Multilin UR Series |
| Origin | Canada |
| Weight | 0.6 kg |
| Dimensions | 6.5 in x 6.0 in x 2.5 in (16.5 cm x 15.2 cm x 6.4 cm) |
| Operating Temp | -40 deg C to 70 deg C |
| Power Consumption | Dependent on host relay chassis |
| Performance | Real-time FlexLogic execution |
Deterministic Network Connectivity and Firmware Scaling
The UR9TH module integrates a high-performance microprocessor architecture capable of executing complex protection functions and FlexLogic schemes with deterministic latency. It manages a diverse array of physical communication media, including 10/100 Base-T Ethernet (RJ45), RS485 serial, and 100 Base-FX fiber optic interfaces. The module firmware supports concurrent protocol execution, such as IEC 61850, DNP3, Modbus, and IEEE C37.118, enabling seamless integration into advanced digital substation automation architectures. The internal memory structure utilizes non-volatile flash for program storage and volatile RAM for real-time data processing, ensuring stability during rapid fault detection and system monitoring cycles.
Frequently Asked Questions
Q: Does the UR9TH module support hot-plugging into an energized UR chassis?
A: No, field installation guidelines strictly prohibit inserting or removing the CPU module while the chassis auxiliary power is active to avoid potential corruption of the backplane bus or damage to the module interface pins.
Q: Can the communication settings be modified without impacting protection logic execution?
A: Yes, the UR9TH module allows for independent communication port configuration via the relay interface or management software, ensuring that SCADA integration changes do not interrupt the core protection logic tasks.
Field Installation Guidelines
Ensure the UR chassis power supply is disconnected before attempting to install the UR9TH module. Align the module with the guide rails of the central CPU slot in the UR relay chassis. Verify that the rear edge connectors are fully engaged with the backplane by tightening the faceplate captive screws to the specified torque. When connecting fiber optic cables, ensure the interface surfaces are clean and that the cable bend radius exceeds the minimum requirements to maintain optical signal integrity. Confirm the grounding of the relay chassis to the substation ground bus before re-energizing the auxiliary power supply to ensure proper EMC performance.