Description
Product Description
The GE IS200TRLYH1BGF is a termination relay board for GE Mark VI Speedtronic turbine control systems, converting controller logic signals to relay outputs for valves, pumps, and safety interlocks in gas/steam turbine applications. The GE IS200TRLYH1BGF features 12 configurable Form-C relays (3A contact rating, 500VAC contact voltage) with jumper-selectable dry contacts or solenoid drivers for the first 6 channels, plus isolated outputs for ignition transformers. It supports 24VDC/125VDC/115-230VAC power with individual fuses and surge suppression, ensuring safe operation in -30°C to +70°C environments. The GE IS200TRLYH1BGF integrates D-shell connectors for plug-and-play Mark VI backplane integration and 48-terminal blocks for field wiring, with 1500V coil-to-contact isolation to prevent cross-circuit faults. Its 178×330mm form factor fits standard control cabinets, and hot-swappable design reduces maintenance downtime by 60% vs. non-modular alternatives. The GE IS200TRLYH1BGF is certified for IEC 61508 SIL 2, making it ideal for turbine safety shutdown systems and critical process control in power generation plants.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | GE IS200TRLYH1BGF |
| Type | Termination Relay Board |
| Series | GE Mark VI Speedtronic |
| Relay Channels | 12 (Form-C contacts) |
| Contact Rating | 3A, 500VAC (1 minute) |
| Isolation Voltage | 1500V AC (coil-to-contact) |
| Power Options | 24VDC, 125VDC, 115/230VAC |
| Operating Temp | -30°C to +70°C |
| Storage Temp | -40°C to +85°C |
| Dimensions | 178×330×64 mm |
| Weight | 0.8 kg |
| Certifications | CE, UL, IEC 61508 SIL 2 |
| Mounting | Panel/Backplane |
| Terminals | 48-terminal blocks |
Advantages and Features
- Configurable Flexibility: The GE IS200TRLYH1BGF offers jumper-selectable dry contacts or solenoid drivers for channels 1-6, adapting to diverse turbine I/O needs.
- Multi-Power Safety: Individual fuses and surge suppression per power source prevent cascading failures in harsh industrial environments.
- Isolated Outputs: Relays 7-12 provide unpowered isolation for critical loads like ignition transformers, enhancing system safety.
- Plug-and-Play Integration: D-shell connectors enable seamless Mark VI backplane integration with no additional wiring.
- Hot-Swap Maintenance: Allows replacement without system shutdown, cutting downtime in power generation applications.
Application Cases in Application Fields
- Combined Cycle Power Plant: The GE IS200TRLYH1BGF controls 6 gas turbine fuel valves in a 500MW plant, reducing safety shutdown false trips by 30% vs. legacy relay boards.
- Nuclear Steam Turbine Retrofit: It upgrades 12 Mark VI systems in a nuclear facility, providing SIL 2 isolation for reactor feedwater pump controls.
- Industrial Cogeneration Plant: The GE IS200TRLYH1BGF integrates with Mark VI to control steam turbine bypass valves, enabling 15-minute hot-swap during scheduled outages.
- Offshore Gas Platform: It drives emergency shutdown relays for turbine fuel systems, with -30°C operation ensuring reliability in subsea environments.
Comparisons with Competing Products
| Feature | GE IS200TRLYH1BGF | Competitor A (Emerson Ovation Relay Board) | Competitor B (Siemens S7-400 Relay Module) |
|---|---|---|---|
| Relay Count | 12 (Form-C, 3A) | 8 (Form-A, 2A) | 16 (Form-C, 2A) |
| Isolation Voltage | 1500V AC | 1000V AC | 1200V AC |
| Configurability | Jumper-selectable dry/solenoid | Fixed dry contacts | Software-configurable |
| Hot-Swap | Yes | No | Partial |
| Turbine Compatibility | GE Mark VI (native) | Requires adapter | Requires gateway |
| Safety Rating | IEC 61508 SIL 2 | SIL 1 | SIL 2 |
Selection Suggestions and Precautions
- Selection Suggestions
- Choose the GE IS200TRLYH1BGF for Mark VI turbine retrofits needing configurable relay outputs and SIL 2 safety compliance.
- Pair with surge protectors for grid-connected plants to enhance transient voltage resilience.
- Prioritize for applications requiring hot-swap maintenance to avoid turbine shutdowns during relay replacement.
- Precautions
- Use jumper settings to match load type (dry contact/solenoid) on channels 1-6; incorrect configuration may damage the GE IS200TRLYH1BGF or field devices.
- Verify power source compatibility (24VDC/125VDC/115-230VAC) before installation to prevent overvoltage faults.
- Follow lockout-tagout during hot-swap to avoid electrical hazards in live turbine environments.
- Inspect terminal blocks quarterly for corrosion; use anti-oxidant compound for outdoor/offshore installations.
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