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Woodward 8237-1244
Product Name: Woodward 8237-1244 ProTech‑GII Overspeed Detection System (HV/LV, IR)
Product Introduction: A configurable, dual‑redundant overspeed protection system for steam, gas, and hydro turbines. It uses a 2‑out‑of‑3 voted architecture for SIL‑rated safety shutdown and features independent relay outputsWoodward.
Technical Specifications:
- Power Supply: HV/LV (88–264 VAC / 18–36 VDC)
Detailed content
Technical Specifications:
- Power Supply: HV/LV (88–264 VAC / 18–36 VDC)
- Speed Input: 3 independent MPU sensor inputs (100–25,000 Hz)
- Trip Output: 2 dual redundant voted relay outputs (2‑out‑of‑3 logic)
- Monitoring: 4–20 mA speed readout; Modbus RTU communication
- Mounting: Bulkhead‑mount design for field installation
- Compliance: SIL‑2 rated, ATEX, CE, RoHS
Functional Features:
- 2‑out‑of‑3 voted logic for high‑integrity overspeed detection
- Acceleration detection to protect against rapid overspeed events
- MPU open‑wire and loss‑of‑speed detection for sensor validation
- Automatic overspeed test routine for periodic safety verification
- Independent relay outputs for direct connection to turbine shutdown systems
Application Scenarios:
- Steam/gas/hydro turbine overspeed protection in power generation
- Critical turbine safety systems requiring SIL‑rated shutdown functions
- Bulkhead‑mount safety systems for turbine skids and offshore platforms
- Retrofit of legacy overspeed detection systems in industrial turbines
