Description
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric |
| Model | IS200GFOIH1A |
| Digital I/O | 16–32 isolated inputs/outputs (fuel valve status, mode selection) |
| Analog I/O | 8–16 analog inputs (pressure, flow, temperature) + 4–8 analog outputs (valve control) |
| Highway Interface | 2× bus highway ports (GE proprietary protocol) |
| Supported Protocols | GE bus highway, Modbus RTU |
| Fuel Functions | Gas fuel control, liquid fuel control, fuel mode transfer coordination |
| Supported Equipment | Gas fuel valves, liquid fuel valves, fuel flow meters, pressure transducers |
| Power | +5V DC / 2.5A, ±15V DC / 0.5A |
| Temp Range | -30°C to +65°C |
| MTBF | > 105,000 hours |
| Revision Note | “A” suffix = specific hardware/firmware configuration |
Advantages and Key Features
Dedicated Gas/Oil Fuel I/O and Highway Interface: The IS200GFOIH1A provides comprehensive I/O processing for dual-fuel turbine applications with highway communication.
Dual-Fuel Support: Handles both gas fuel and liquid fuel control signals.
Fuel Mode Transfer Coordination: Enables smooth transfer between gas and liquid fuel modes.
Highway Communication: The IS200GFOIH1A integrates with distributed fuel control networks.
Comprehensive Diagnostics: Provides fuel system diagnostics and monitoring.
Application Fields and Case Studies
Used in dual-fuel gas turbine applications, gas and liquid fuel valve control, and fuel mode transfer coordination. In a 600 MW dual-fuel plant, the IS200GFOIH1A provided I/O processing and highway communication for gas and liquid fuel systems, enabling smooth fuel mode transfers.
Comparison with Competing Products
| Dimension | IS200GFOIH1A | IS200FHVBG1ABA | IS200FCGEH1ADA |
|---|---|---|---|
| Primary Function | Gas/oil fuel I/O + highway | Valve bridge | Fuel control + Ethernet |
| Dual-Fuel Support | Yes | Limited | No |
| Highway Interface | Yes | No | No |
| VME Integration | Direct | Direct | Direct |
Selection Recommendations
Choose IS200GFOIH1A for dual-fuel gas turbine applications requiring I/O processing and highway communication. Verify compatibility with your gas and liquid fuel equipment. Deploy redundant boards for critical fuel control paths.
Precautions and Important Notes
Use ESD-safe handling. Verify field wiring and I/O connections. Confirm compatibility with your gas and liquid fuel systems. Never interrupt firmware updates. Board draws 2.5A – verify rack power capacity. Document all configurations. Store spares in anti-static packaging. Do not mix variants in redundant pairs. Allow 30 seconds boot time. Test all fuel control and mode transfer functions during commissioning. The IS200GFOIH1A is critical for dual-fuel applications – ensure all fuel mode transfer and protection functions are verified before placing in service. Regular calibration of fuel flow meters and valve position feedback is recommended. Ensure highway cabling does not exceed maximum recommended length.
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