Product Description
Product Overview
| Category | Details |
|---|---|
| Manufacturer | Woodward |
| Model/Part Number | 8237-1600 |
| Description | ProTech-GII Overspeed Detection System designed to safely shut down steam, gas, and hydro turbines upon detecting overspeed or overacceleration events |
| Key Features | Triple modular design, SIL-3 certified, dual redundant trip relay outputs, Modbus communications, panel mount configuration |
Technical Specifications
| Specification | Details |
|---|---|
| Model | 8237-1600 |
| Product Line | ProTech-GII |
| Power Input | High voltage (88-264 VAC) / Low voltage (18-32 VDC) |
| Trip Relay Outputs | 2 dual redundant outputs (2-out-of-3 voted architecture) |
| Speed Range | 0.5 to 32,000 rpm |
| Response Time | 12 milliseconds |
| Speed Readouts | 4-20 mA |
| Communication | Triple-redundant serial Modbus ports |
| Operating Temperature | -20°C to 60°C (-4°F to 140°F) |
| Weight | Approx. 6.5 kg (14.3 lbs) for panel mount unit |
External Connection Options
| Connection Type | Details |
|---|---|
| Supported Connections | Redundant hard-wired inputs/outputs and triple-redundant Modbus communications for integration with turbine control or plant DCS |
Functional Features
| Feature | Details |
|---|---|
| Overspeed Protection | Monitors turbine speed and acceleration, shutting down systems during overspeed events |
| Testing Capabilities | Internal frequency generator for simulated overspeed tests, with logging functionality |
| Diagnostics | Records trips, alarms, and overspeed events with time stamps |
| Safety Certification | IEC61508 SIL-3 certified for critical safety applications |
Model and Configuration
| Category | Details |
|---|---|
| Base Model | 8237-1600 (ProTech-GII Overspeed Detection System, panel mount, high/low voltage input, voted relays) |
| Configuration | Triple modular design allows online repairs; integrates with turbine safety systems via Modbus or hard-wired signals |