GE D25 Substation Automation System Intelligent Electronic Devices
Manufacturer: GE Fanuc
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Part Number: D25
Condition：New with Original Package
Product Type: Intelligent Electronic Devices
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
GE D25 Substation Automation Controller
Configured for bay control execution and multi-protocol SCADA integration in power automation architectures, the GE D25 Substation Controller (D25 Intelligent Electronic Device) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | D25 |
| Brand | GE |
| Origin | USA / Global Manufacturing |
| Weight | Standard rack-mount chassis weight |
| Dimensions | Compact rack-mountable industrial enclosure |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | Substation standard DC/AC auxiliary supply |
| Processing Architecture | High-performance CPU supporting modular expansion up to 65 bays |
| Communication Interfaces | Dual redundant Ethernet ports, RS-232 / RS-485 serial interfaces |
| Supported Protocols | IEC 61850 GOOSE, Modbus TCP/IP, DNP3.0, IEC 60870-5-103 |
| Control Capabilities | High-speed digital/analog input acquisition, switchgear interlocking |
| Event Diagnostics | Integrated event recording and real-time fault logging |
Firmware Flash Compatibility & Deterministic Network Communication
The GE D25 architecture utilizes dedicated internal bus processing to process IEC 61850 GOOSE messages and DNP3.0 telemetry without incurring buffer latencies. The onboard CPU manages real-time data acquisition across modular I/O expansion slots while maintaining deterministic execution for automated breaker control and load shedding sequences. System field engineers can update operating parameters and protocol stacks via dual redundant Ethernet links, ensuring firmware flash compatibility across legacy serial sub-networks and modern substation LAN environments.
Frequently Asked Questions
Q: How does the GE D25 maintain deterministic response times during high-traffic IEC 61850 GOOSE message bursts?
A: The high-performance CPU prioritizes time-critical GOOSE trip signals over background diagnostic tasks, utilizing internal hardware interrupts to execute switchgear interlocks within milliseconds.
Q: What physical media options are available for the serial communication ports?
A: The D25 provides integrated RS-232 and RS-485 interfaces that connect directly to legacy field IEDs, transducers, and protection relays via shielded copper twisted-pair cables.
Q: How is thermal dissipation managed during continuous operation at extreme temperature limits?
A: The rack-mountable enclosure utilizes passive convection cooling through industrial-grade structural heatsinks, operating reliably from -40 deg C to +70 deg C without internal cooling fans.
Field Installation Guidelines
To ensure electromagnetic interference (EMI) protection and mechanical stability within high-voltage substation switchyards, adhere to the following field assembly standards:
- Mount the enclosure securely into standard 19-inch equipment racks, tightening all panel screws to maintain structural grounding contact against the rack frame.
- Connect a heavy-gauge copper grounding strap directly from the main chassis ground terminal to the substation primary earth grid.
- Separate low-voltage RS-232/485 communication cables and Ethernet drops from high-voltage AC current transformer (CT) and potential transformer (PT) secondary wiring.
- Terminate all RS-485 shield wires at one designated end only to eliminate ground loop circulating currents across local field devices.
- Verify keying orientation on all modular I/O expansion boards prior to insertion to prevent edge connector pin damage.