Description
GE HE693RTD660 RTD Input Module
The HE693RTD660 is a precision-engineered RTD (Resistance Temperature Detector) input module designed for GE’s Mark VIe and Mark VIIe gas turbine control systems. Optimized for high-accuracy temperature measurement in critical industrial applications, this module supports multiple RTD types and offers robust signal conditioning for reliable data acquisition.
1. Product Overview
- Function: Converts RTD sensor signals into digital data for temperature monitoring and control.
- Key Features:
- Supports 8 channels of isolated RTD inputs (2-, 3-, or 4-wire configurations).
- Compatible with PT100, PT200, PT500, and PT1000 sensors.
- Built-in linearization and cold-junction compensation.
- Hot-swap capability for maintenance flexibility.
2. Technical Specifications
| Parameter | Value |
|---|---|
| Input Types | RTD (PT100, PT200, PT500, PT1000) |
| Resolution | 16-bit ADC |
| Accuracy | ±0.1°C (at 0–500°C) |
| Isolation | 2.5 kV (input-to-ground) |
| Power Supply | 24 V DC ±10% |
| Sampling Rate | 10 kHz |
| Operating Temperature | -40°C to +70°C (-40°F to 158°F) |
HE693RTD660
3. Key Advantages
- High Precision: Factory-calibrated for ±0.1°C accuracy across wide temperature ranges.
- Flexible Configuration: Configurable via GE’s Proficy software for custom sensor types.
- Rugged Design: Conformal coating protects against dust, moisture, and vibration.
4. Applications
- Power Generation: Monitors turbine inlet temperatures and stator winding temperatures.
- Oil & Gas: Measures pipeline temperatures in offshore platforms.
- Manufacturing: Controls oven and reactor temperatures in chemical processes.
5. Competitor Comparison
- Faster Response: 10 kHz sampling rate (2x faster than legacy models).
- Enhanced Safety: Built-in overvoltage protection and short-circuit detection.
- Lower Power Consumption: 50% less power draw compared to similar modules.
HE693RTD660
6. Selection Recommendations
- Sensor Compatibility: Verify RTD type (e.g., PT100 vs. PT1000) and wire configuration.
- Environmental Conditions: Choose modules with EMI shielding for noisy environments.
- Redundancy: Pair with dual RTD sensors for critical temperature measurements.
7. Installation & Maintenance
- Wiring: Use twisted-pair cables with proper termination resistors for 3/4-wire RTDs.
- Calibration: Perform biannual checks using GE’s calibration tools.
- Firmware Updates: Regularly update firmware to ensure compatibility with control system upgrades.
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