Description
GE IS410TRLYS1B – TMR Relay Output Terminal Board
GE IS410TRLYS1B is a triple modular redundancy (TMR) relay output terminal board for GE’s Mark VIeS functional safety systems, providing 12 Form-C relay outputs for critical turbine shutdown and interlock functions. This DIN rail-mounted board interfaces TMR relay packs with field solenoids and contactors, featuring coil current monitoring and fault detection for SIL 2/3 safety loops. It addresses emergency response reliability by delivering 2-amp contacts with 3kV isolation, ensuring fail-safe operation independent of primary controllers during overspeed or vibration trips. The GE IS410TRLYS1B supports hot-pluggable maintenance with diagnostic LEDs and barrier isolation for hazardous location deployment.
Technical Specifications
- Brand: GE
- Model: IS410TRLYS1B
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VIeS TMR
- Relay Channels: 12 Form-C (SPDT)
- Contact Rating: 2 A @ 24 VDC / 120 VAC
- Coil Voltage: 24 VDC TMR
- Isolation: 3kV AC coil-to-contact
- Mounting: 35mm DIN rail
- Dimensions: 155mm x 95mm x 35mm
- Operating Temp: -40°C to +70°C
- Safety Rating: SIL 2/3 certified
Key Features & Benefits
- TMR Voting Logic: Three independent relay inputs with 2-out-of-3 voting ensures trip execution despite single-channel failure, meeting functional safety standards.
- Coil Diagnostics: Monitors relay coil currents and contact integrity, reporting faults via backplane for predictive maintenance.
- Barrier Isolation: Separate field terminals prevent arc flash propagation, enhancing safety during live maintenance.
Application Scenarios
- Turbine Emergency Trips: Drives hydraulic trip solenoids for overspeed and vibration protection in gas turbines.
- Fuel Shutoff Valves: Controls emergency fuel cutoff relays in combustion systems.
- Generator Breaker Trips: Interfaces protection relays with circuit breaker coils in power plants.
Frequently Asked Questions (FAQ)
- Q: What is the primary function of the GE IS410TRLYS1B?
- A: It provides TMR-voted relay outputs for safety-critical shutdown functions in Mark VIeS turbine controls.
- Q: Is GE IS410TRLYS1B compatible with legacy systems?
- A: Yes, it connects to standard TMR relay packs and 24 VDC field wiring used in GE Speedtronic safety systems.
