Description
Product Description
GE IS200TRLYH1BGF is a terminal relay board engineered for GE Mark VI Speedtronic turbine control systems, serving as a critical interface between the controller and field actuators (valves, motors, solenoids, ignition transformers) via 12 Form-C relay outputs. GE IS200TRLYH1BGF features configurable jumpers for the first 6 relays (dry contact or solenoid drive), while relays 7–11 provide unpowered isolated Form-C contacts, and relay 12 is optimized for specialized ignition transformer control. GE IS200TRLYH1BGF supports multiple power sources (125 VDC, 115/230 VAC, optional 24 VDC) with jumper-selectable fuses and onboard transient suppression for enhanced safety. GE IS200TRLYH1BGF offers 1500 VAC coil-to-contact isolation and 500 VAC contact-to-contact isolation, protecting the control system from field-side noise and transients. GE IS200TRLYH1BGF integrates diagnostic LEDs and 48-terminal blocks for quick installation and troubleshooting, with conformal coating ensuring durability in harsh industrial environments. GE IS200TRLYH1BGF is a genuine GE component, ensuring native compatibility with Mark VI simplex/TMR systems and supporting firmware updates via Mark VI control software. GE IS200TRLYH1BGF delivers a typical relay operation time of 10 ms, enabling fast response for critical turbine safety interlocks and control functions.
Technical Parameters
- Product Type: Terminal Relay Output Board (Mark VI Series)
- Manufacturer: GE (General Electric) Speedtronic
- Model Number: GE IS200TRLYH1BGF
- Relay Outputs: 12 Form-C contacts (6 configurable, 5 isolated, 1 specialized)
- Power Options: 125 VDC, 115/230 VAC, optional 24 VDC (jumper-selectable fuses)
- Isolation Ratings: 1500 VAC coil-to-contact; 500 VAC contact-to-contact (1-minute rating)
- Relay Contact Rating: 3.0 A per contact
- Operation Time: Typical 10 ms
- Terminal Blocks: 2×24 terminals (48 total) for field connections
- Operating Temperature: -30°C to +60°C; storage: -30°C to +65°C
- Dimensions: 17.8 cm × 33.02 cm (7.0 in × 13.0 in)
- Weight: 0.8 kg (1.8 lb)
- Coating: Conformal coating for moisture/dust resistance
Advantages and Features
- Configurable Relay Outputs: GE IS200TRLYH1BGF allows dry contact or solenoid drive via jumpers, adapting to diverse actuator types.
- Multiple Power Compatibility: Supports 3 power sources with fuses and suppression for safety and flexibility.
- Robust Isolation: 1500 VAC/500 VAC isolation protects against transients in turbine environments.
- Specialized Ignition Control: Relay 12 is optimized for ignition transformer switching, critical for gas turbine combustion.
- Fast Response: 10 ms relay operation time ensures quick safety interlock actuation.
- Enhanced Diagnostics: LED indicators and clear terminal labeling simplify troubleshooting and reduce downtime.
- Native Mark VI Integration: Seamless compatibility with simplex/TMR systems eliminates gateway requirements.
Application Fields and Cases
GE IS200TRLYH1BGF is widely used in gas/steam turbine control for power generation, oil & gas, and heavy industry:
- Steam Turbine Control: Operates governor valves, feedwater pumps, and safety trip solenoids for load and speed regulation.
- Gas Turbine Combustion: Controls fuel valves, flame detectors, and ignition transformers for optimized combustion and emissions.
- Industrial Turbine Drives: Manages compressor anti-surge valves, lube oil pumps, and emergency shutdown (ESD) actuators in pipeline/chemical applications.
Case Example: A North American power plant deployed GE IS200TRLYH1BGF to upgrade its Mark VI TMR system for four steam turbines. GE IS200TRLYH1BGF integrated 12 relay outputs per board (6 boards total) for ESD and valve control, reducing transient-related failures by 40% via onboard suppression and cutting troubleshooting time by 45% using diagnostic LEDs. Post-installation, the plant achieved 99.96% relay output availability and extended maintenance intervals by 20 months.
Comparison with Competing Products
| Parameter | GE IS200TRLYH1BGF | Emerson Ovation Relay Output Module | Siemens T3000 Relay Card |
|---|---|---|---|
| Relay Outputs | 12 Form-C (6 configurable) | 8/16 Form-A | 16 Form-C |
| Power Options | 125 VDC, 115/230 VAC, 24 VDC (optional) | 24 VDC fixed | 24/48 VDC |
| Isolation Ratings | 1500 VAC coil-to-contact | 1000 VAC | 1500 VAC |
| Specialized Outputs | Yes (ignition transformer) | No | No |
| Mark VI Compatibility | Native | Requires gateway | Requires protocol converter |
| Transient Suppression | Onboard (MOVs/fuses) | Optional | Built-in |
Selection Recommendations and Precautions
Selection Recommendations
- Choose GE IS200TRLYH1BGF for Mark VI relay output expansion, matching power sources to field actuator voltage requirements.
- Configure jumpers for relays 1–6 as dry contact or solenoid drive; use relay 12 for ignition transformer control.
- Pair GE IS200TRLYH1BGF with shielded cables for field connections to minimize noise interference.
- For TMR systems, deploy three GE IS200TRLYH1BGF modules to ensure fault tolerance for critical safety functions.
Precautions
- Operate GE IS200TRLYH1BGF within -30°C to +60°C; avoid condensation and extreme vibration to prevent relay degradation.
- Ensure proper jumper settings for power sources and relay configurations to avoid damage to field devices.
- Follow ESD-safe handling procedures during installation to protect onboard electronics.
- Use Mark VI control software for configuration and diagnostics; avoid unauthorized modifications to maintain system compatibility.
- Regularly inspect fuses and transient suppression components; replace if damaged to ensure reliable operation.
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