🌐 Product Overview – WOODWARD 9907-147 ProTech 203 Overspeed Protection Module
The WOODWARD 9907-147 ProTech 203 Overspeed Protection Module is a high-precision, triple modular redundant (TMR) electronic overspeed protection system designed to monitor and protect critical rotating machinery such as turbines, compressors, and generators. Engineered for dependable operation in harsh industrial environments, this module provides ultra-fast detection of overspeed conditions and initiates safe shutdowns to prevent equipment damage and ensure personnel safety.
⚙️ Technical Specifications (Datasheet Overview)
| Parameter | Description |
|---|---|
| Manufacturer | WOODWARD |
| Model | 9907-147 |
| Product Type | Overspeed Protection Module |
| System Type | ProTech 203 Series (Triple Modular Redundant) |
| Input Channels | 3 independent magnetic pickup inputs |
| Speed Range | 100 Hz to 32 kHz (typical) |
| Response Time | <10 milliseconds |
| Supply Voltage | 24 VDC (18–32 VDC) |
| Power Consumption | Approx. 15 W |
| Relay Outputs | 3 independent shutdown relays (Form C) |
| Alarm Outputs | Configurable for system diagnostics and test mode |
| Display | LCD screen with status LEDs |
| Communication Interface | RS-232 / RS-485 (for configuration and monitoring) |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| Mounting Type | Panel or rack mount |
| Dimensions (L × W × H) | 280 × 190 × 60 mm |
| Weight | Approx. 2.5 kg |
| Certifications | CE, UL, and SIL 3 compliant |
🔌 Product Description
The WOODWARD 9907-147 ProTech 203 module is part of Woodward’s renowned overspeed protection series, designed to provide the highest level of reliability through triple modular redundancy. Each of the three independent channels monitors turbine or generator speed using magnetic pickup sensors. The system continuously compares these inputs, and any detected overspeed condition triggers an immediate trip command through redundant relay outputs.
The module’s user interface features an intuitive LCD display and LED indicators that allow easy viewing of operating status, fault conditions, and system diagnostics. Integrated communication ports enable configuration, real-time monitoring, and event logging for maintenance personnel.
Built for demanding industrial environments, the ProTech 203 is housed in a rugged enclosure that resists vibration, electrical noise, and temperature fluctuations. Its fail-safe design ensures continued operation even if one of the channels experiences a fault.
🛠️ Installation & Maintenance
Installation Steps:
- Preparation: Disconnect power and verify that all system wiring is safe to handle.
- Mounting: Securely mount the module on a vibration-free panel or rack using standard hardware.
- Wiring: Connect the magnetic pickup sensors and relay outputs according to the terminal labels.
- Power Supply: Provide regulated 24 VDC input and confirm correct polarity.
- Configuration: Use the built-in interface or RS-232/RS-485 port for parameter setup and testing.
- Testing: Perform a system self-test to verify overspeed detection and trip functionality.
Maintenance Tips:
- Inspect connectors regularly for tightness and corrosion.
- Verify calibration and overspeed settings periodically.
- Keep the module clean and free from dust or oil residue.
- Conduct full functional tests during routine shutdowns.
- Replace damaged sensors or cables immediately to maintain accuracy.
⚠️ Usage Notes
- Ensure all input sensors are correctly aligned and properly shielded.
- Do not bypass safety relays during operation.
- Avoid exposing the unit to excessive heat or vibration beyond specified limits.
- Only authorized personnel should modify configuration parameters.
- Store spare modules in anti-static, dry environments.
🧩 Key Features
✅ Triple Modular Redundant (TMR) design for maximum reliability
✅ Ultra-fast response time (<10 ms) to overspeed events
✅ Configurable trip and alarm relays
✅ LCD display with clear diagnostic information
✅ Built-in test and monitoring functions
✅ SIL 3 certified for critical safety applications
🔗 Related Product Recommendations
| Model | Description | Hyperlink |
|---|---|---|
| WOODWARD 9907-167 | ProTech 203 Overspeed Protection Module (Advanced Version) | View Product |
| WOODWARD 9907-164 | ProTech 203 Speed Monitoring System | View Product |
| WOODWARD 9907-175 | Overspeed Trip System with Redundant Relays | View Product |
| WOODWARD 9907-205 | ProTech 300 Enhanced Overspeed Controller | View Product |
| WOODWARD 9907-252 | Digital Trip and Speed Monitoring Module | View Product |
📦 Conclusion
The WOODWARD 9907-147 ProTech 203 Overspeed Module is an advanced, safety-certified protection system that delivers unmatched precision, reliability, and redundancy for turbine and generator control. With its triple-channel monitoring, rapid response time, and robust construction, it safeguards critical assets from destructive overspeed events while minimizing downtime. The ProTech 203’s diagnostic capabilities and user-friendly design make it a trusted choice for operators seeking consistent, long-term protection in mission-critical environments.
For detailed specifications and product availability, please visit:
👉 https://www.fy-module.com/
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