The Woodward ProTech-GII is a high-performance, SIL 3-capable overspeed protection system designed to provide reliable monitoring and emergency shutdown capabilities for rotating machinery such as turbines, compressors, and pumps. It utilizes triple modular redundant (TMR) architecture to ensure maximum availability and safety, preventing catastrophic equipment failure by detecting overspeed conditions and executing rapid trip signals.
Product Specifications
| Feature | Specification |
| Model | 8237-1600 |
| Safety Integrity Level | SIL 3 |
| Weight | Approx. 4.5 kg (9.9 lbs) |
| Dimensions | 250 mm x 200 mm x 150 mm |
| Input Channels | 3 Speed Inputs (MPUs or Proximity Sensors) |
| Output Channels | 3 Relay Outputs (Trip/Alarm) |
| Operating Temp | -20°C to +60°C |
| Origin | United States |
Applications
The ProTech-GII is primarily utilized in critical industrial sectors where rotating equipment integrity is paramount:
- Steam and Gas Turbines
- Centrifugal Compressors
- Turbo-Expanders
- Large Industrial Pumps and Fans
- Power Generation Plants
Usage Instructions
- Mounting: Install the unit in a clean, vibration-dampened cabinet following standard industrial rack-mounting procedures.
- Wiring: Connect speed sensors (MPU or proximity) to the designated input terminals. Ensure proper shielding to prevent electromagnetic interference.
- Configuration: Use the authorized Woodward configuration software to set trip setpoints, alarm thresholds, and relay logic.
- Verification: Perform a loop test and a simulated overspeed test during commissioning to ensure the system triggers the emergency shutdown sequence within the required response time.
- Monitoring: Regularly check the front panel LED diagnostics to verify system health and channel status.
Frequently Asked Questions (Q&A)
Q: Can the 8237-1600 be used in non-redundant applications?
A: Yes, while designed for TMR, it can be configured for various redundancy levels depending on safety requirements.
Q: What is the response time of the trip relay?
A: The system provides a high-speed response, typically under 10 milliseconds, to ensure rapid protection.
Q: Does it require external software for configuration?
A: Yes, specific Woodward Service Tool software is required to program setpoints and calibrate sensor inputs.
Recommended Related Products
- Woodward 9907-162 Digital Control
- Woodward 505 Digital Governor
- Woodward 8237-1601 ProTech-GII
- Woodward 8440-2004 EasyGen
- Woodward 9905-014 Control Board
- Woodward 8270-1035 Atlas-II
- Woodward 8280-502 Power Supply
- Woodward 8237-1479 Speed Monitor
- Woodward 5464-515 Actuator
- Woodward 8237-1603 Safety Module
