WOODWARD 8237-1006 TMR Safety Module | SIL3 Turbine Overspeed Trip Unit
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Description
Woodward 8237-1006 ProTech-GII Overspeed Protection Controller
SKU: 8237-1006
The Woodward 8237-1006 is a high-reliability microprocessor-based safety controller from Woodward ProTech-GII series. Woodward 8237-1006 adopts Triple Modular Redundant (TMR) architecture with 2-out-of-3 voting logic, developed for overspeed protection of critical rotating machinery including steam turbines, gas turbines and hydro turbines. Woodward 8237-1006 operates independently from the main turbine governor system, providing dedicated safety trip protection to prevent catastrophic equipment damage caused by turbine overspeed.
Woodward 8237-1006 accepts three independent magnetic pickup (MPU) speed inputs. It features fast response time up to 12ms, peak speed recording, acceleration detection and first-out trip fault indication to simplify post-trip troubleshooting. Woodward 8237-1006 supports Modbus RS-485 communication with optional Ethernet via PCT configuration tool, enabling seamless integration with DCS and SCADA monitoring systems. Certified SIL-3 to IEC 61508 standard, Woodward 8237-1006 delivers high safety integrity for power plants, oil & gas and CHP facilities.
Key Features of Woodward 8237-1006
Model: Woodward 8237-1006, ProTech-GII Turbine Overspeed Protection Controller
TMR Triple Modular Redundant design, 2oo3 voting logic
3-channel MPU speed signal input, speed range: 0.5 ~ 32000 rpm
Speed measurement accuracy: ±0.5% full scale
12ms fast trip response time
SIL-3 safety certification per IEC 61508
Modbus RS-485 communication, optional Ethernet
Built-in event log, peak speed record & first-out trip alarm
IP56 enclosure rating for dust and moisture resistance
Dual power supply input for redundant power backup
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | 8237-1006 |
| Product Name | ProTech-GII Turbine Overspeed Protection Controller |
| Brand | Woodward |
| Series | ProTech-GII |
| Architecture | TMR Triple Modular Redundant, 2oo3 Voting |
| Speed Input | 3 channels MPU magnetic pickup |
| Speed Measuring Range | 0.5 ~ 32000 rpm |
| Speed Accuracy | ±0.5% Full Scale |
| Trip Response Time | 12 ms |
| Communication | Modbus RS-485, Optional Ethernet (PCT tool) |
| Safety Level | SIL-3 (IEC 61508) |
| Enclosure Protection | IP56 |
| Operating Temperature | -20℃ ~ +60℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| Humidity | 5%–95% RH, non-condensing |
| Power Supply | Dual redundant power inputs |
| Core Function | Turbine overspeed protection, acceleration monitoring, trip event logging |
| Certification | SIL-3, CE |
Application Scenarios
Steam turbine, gas turbine, hydro turbine overspeed safety protection
Thermal power plant turbogenerator sets
Oil & gas compressor turbine control systems
CHP combined heat and power stations
Power plant safety system upgrade & retrofit
Industrial rotating machinery safety protection projects
Package & Warranty
Package: Anti-static foam + heavy export carton
Condition: New / Refurbished available
Warranty: 12 months warranty
Delivery: Fast worldwide shipping
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