Description
1. Product Title
GE IS200VRTDH1D – Mark VI RTD Input Termination Board
2. Product Overview
TheIS200VRTDH1D is a specialized Resistance Temperature Detector (RTD) termination board designed for the GE Speedtronic Mark VI turbine control system. This module serves as the primary physical interface for temperature sensors located throughout the turbine and auxiliary equipment. Its core function is to receive low-resistance signals from RTDs and route them to the VRTD I/O processor boards for conversion into temperature data.
Monitoring thermal states is critical for the longevity of turbine components. TheIS200VRTDH1D solves the industrial challenge of maintaining signal accuracy over long cable runs. It supports various RTD types (such as Platinum 100\Omega or Copper 10\Omega) and utilizes a 3-wire or 4-wire compensation method to eliminate the effects of lead-wire resistance. By providing high-density termination for up to 16 RTD inputs, it ensures that critical temperatures—such as bearing oil, stator windings, and exhaust gases—are tracked with high precision to prevent overheating and mechanical failure.
3. Technical Specifications
- Brand: General Electric (GE)
- Model: IS200VRTDH1D
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VI Speedtronic
- Input Capacity: 16 RTD channels per board
- RTD Types Supported: Platinum (100\Omega), Copper (10\Omega), Nickel (120\Omega)
- Configuration: 3-wire lead resistance compensation
- Termination: Two-tier screw-type barrier terminal blocks
- Common Mode Rejection: > 100 dB at 60 Hz
- Operating Temp: -30°C to +65°C (-22°F to +149°F)
- Humidity: 5% to 95% non-condensing
4. Key Features & Benefits
- High Precision Monitoring: The IS200VRTDH1D features high-resolution signal conditioning, allowing the Mark VI system to detect temperature changes as small as 0.1°C.
- Lead Resistance Compensation: Uses a 3-wire interface to automatically cancel out the resistance added by field wiring, ensuring the reported temperature is the actual temperature at the sensor.
- Flexible Sensor Compatibility: Jumper-selectable configurations allow the board to work with multiple RTD materials, making it a versatile spare part for various turbine configurations.
- Onboard Noise Filtering: Equipped with passive low-pass filters to reject high-frequency electrical noise generated by generators and high-voltage motors in the plant environment.
5. Application Scenarios
- Generator Stator Monitoring: Tracking the temperature of stator windings to prevent insulation breakdown during high-load operations.
- Bearing Health Surveillance: Monitoring lubricating oil and bearing metal temperatures to detect early signs of friction or lubrication failure.
- Exhaust Gas Temperature (EGT): Collecting thermal data from the exhaust plenum to assist the controller in calculating combustion efficiency and emission levels.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the IS200VRTDH1D ?
- A: It is a termination board that provides the connection points for up to 16 RTD temperature sensors and routes their signals to the Mark VI control system.
- Q: Does the “H1D” suffix affect compatibility?
- A: Yes, the “H1D” indicates the specific hardware revision and grouping. You must ensure this matches your current system setup to guarantee correct pin-mapping and signal scaling.
- Q: Can this board be used with thermocouples?
- A: No, the IS200VRTDH1D is strictly for Resistance Temperature Detectors (RTDs). Thermocouples require a dedicated “TC” type board (e.g., TBTCH).
