Product Short Description
Product Description
The IS200TRPGH1B is a high-reliability printed circuit board (PCB) designed as the primary trip termination and interface board for the GE Mark VI Speedtronic turbine control platform. It serves as the critical electrical interface between the turbine protection controller, emergency trip devices (ETDs), and flame detection circuits. Engineered for safety-critical environments, it integrates surge protection, relay logic, and power distribution to ensure fast, reliable responses in emergency shutdown scenarios.
Description
Technical Specifications
- Board Type: Primary Trip Terminal PCB
- System Compatibility: GE Mark VI / Mark VIe Turbine Control Systems (TMR Architecture)
- Trip Solenoids (ETDs): 3 channels
- Solenoid Rated Voltage: 125 V DC
- Solenoid Response Time: L/R time constant = 0.1 sec
- Flame Detector Inputs: 8 channels
- Flame Detector Supply Voltage: 335 V DC
- Control Relay Coil Voltage: 28 V DC
- Voting Circuits: 3 (with 9 magnetic relays)
- Terminal Blocks: 2 × 24-pin (total 48 terminals, numbered 1–48)
- Current Suppression: Metal Oxide Varistor (MOV) protection
- Operating Temperature: -20°C to +60°C (-4°F to +140°F)
- Dimensions (L×W×H): 229 mm × 178 mm × 38 mm (9 in × 7 in × 1.5 in)
- Weight: Approx. 0.6 kg (1.3 lbs)
- Certifications: CE, UL, ISO 9001
Key Features
- TMR Safety Architecture: Designed for triple modular redundant (TMR) systems, providing fault-tolerant trip logic and ensuring safe operation even with single-component failures.
- Integrated Relay Voting: Nine magnetic relays organized into three independent voting circuits ensure high-reliability trip signal validation and output.
- Surge & Overvoltage Protection: Built-in MOVs and suppression components protect the board and field devices from voltage spikes and electrical transients.
- Dual Terminal Blocks: Two 24-pin barrier terminal blocks enable secure, organized wiring for trip solenoids, flame detectors, and control signals.
- High-Speed Trip Response: Optimized circuitry delivers fast actuation of emergency trip devices, minimizing equipment damage during fault conditions.
- Flame Detection Interface: Dedicated 335 V DC supply and 8 input channels support direct connection to flame detectors for combustion safety monitoring.
Application Scenarios
- Power Generation Plants: Used in gas turbine, steam turbine, and combined-cycle power plants for critical protection and emergency shutdown functions.
- Oil & Gas Industry: Deployed in compressor stations, refineries, and offshore platforms to protect rotating equipment and process systems.
- Industrial Cogeneration: Applied in industrial facilities with on-site power generation, ensuring safe and reliable turbine operation.
- Marine Propulsion Systems: Utilized in large marine vessels with gas turbine propulsion for safety-critical control and protection.
Functional Overview
The IS200TRPGH1B is controlled by the Mark VI system’s primary protection controller (PTUR/YTUR). It receives trip commands from the controller, validates them via three voting circuits, and energizes up to three 125 V DC trip solenoids (ETDs) to initiate emergency shutdowns. The board also supplies 335 V DC power to eight flame detectors, monitors their status, and reports faults back to the control system. All field connections are made via the two 24-pin terminal blocks, which are clearly numbered for easy installation and maintenance.
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