GE Fanuc UR8GH Multilin UR Series Protection and Control Module
Manufacturer: GE Fanuc
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Part Number: UR8GH
Condition：New with Original Package
Product Type: Protection & Control Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE Fanuc UR8GH Protection and Control Module
Configured for high-speed current and voltage monitoring in power system protection networks, the GE Fanuc UR8GH (UR8GH Protection & Control Module) provides direct physical signal processing for CT/VT inputs within the Multilin UR architecture.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | UR8GH |
| Brand | GE Fanuc |
| Origin | Multilin UR Series |
| Weight | 200 g |
| Dimensions | 6 in L x 7 in W x 1.5 in H |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | Logic-level auxiliary supply |
| Processor Capacity | 2 MB Program / 1 MB Data memory |
| Protection Functions | Overload, short-circuit, ground fault, distance, bus protection |
Industrial Control and Network Determinism
The UR8GH module utilizes high-speed backplane bus communication velocity to interface with central relay processors, ensuring deterministic response times during fault conditions. The module supports seamless integration into Profinet and EtherNet/IP deterministic networks, enabling real-time status exchange between the protection relay and the higher-level SCADA system. To maintain measurement accuracy under transient conditions, the hardware supports firmware flash compatibility, allowing for periodic updates to protection algorithms. The modular design enables I/O density scaling, facilitating its use in multifunctional bay control configurations where localized signal processing is required to reduce communication latency to the primary controller.
Frequently Asked Questions
Q: Does the UR8GH support hot-swapping during active power system operation?
A: The UR8GH is designed to be removed or replaced only when the relay housing is de-energized. Attempting to insert or remove the module while the backplane is live may cause communication bus errors or damage to the gold-plated connector pins.
Q: How does the module handle redundancy in Ethernet-based protection schemes?
A: The module supports dual redundant Ethernet modules. When configured in a ring or star topology, the relay automatically detects link failure and switches to the secondary path within the defined recovery time, ensuring continuous monitoring of the generator or busbar.
Field Installation Guidelines
- DIN-Rail and Chassis Grounding: Secure the module chassis to the relay housing. Use a dedicated low-impedance ground wire from the chassis ground terminal to the main panel earth bar to meet IEC 61850 EMI resistance requirements.
- Signal Wiring: Terminate CT and VT inputs using appropriate lug connectors. Ensure that all shield drain wires from external transducers are tied to the designated signal ground point to minimize noise pickup.
- Environmental Sealing: Ensure the mounting enclosure provides adequate ventilation. Although the unit is rated for -40 deg C to +70 deg C, maintain a 2 cm air gap between the module and adjacent high-heat components.
- Interface Cable Management: Route all communication cables (Ethernet/Profibus) through dedicated, shielded cable trays separate from high-voltage primary conductors to prevent inductive interference.