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The Woodward 9907-1183 is a human-machine interface designed for monitoring and governing steam turbine systems, including industrial-sized standard steam turbines, utility turbogenerators, and turboexpander models. Configurable as a standalone unit or integrated into a plant's distributed control system (DCS), the unit employs a 32-bit microcontroller to execute precise turbine management. Its internal PID structure enables active control of turbine speed, load, inlet pressure, exhaust header pressure, and extraction/admission header pressure. Interfacing with a 4–20 mA transducer alongside ratio/limiter functions, the device regulates extraction and admission processes while enforcing established operating parameters.
| Parameter | Specification |
|---|---|
| Manufacturer | Woodward |
| Model | 9907-1183 |
| Microcontroller Architecture | 32-bit |
| Communication Serial Ports | 2 Modbus (ASCII or RTU) comm ports |
| Input Power Supply Rating | 18 to 32 Vdc |
| Recommended Ambient Air Temperature | -25 to +65 degC |
| Dimensions (L x H x D) | 14 x 11 x 4 inches (356 x 279 x 102 mm) |
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Returns & Warranty



The Woodward 9907-1183 is a human-machine interface designed for monitoring and governing steam turbine systems, including industrial-sized standard steam turbines, utility turbogenerators, and turboexpander models. Configurable as a standalone unit or integrated into a plant's distributed control system (DCS), the unit employs a 32-bit microcontroller to execute precise turbine management. Its internal PID structure enables active control of turbine speed, load, inlet pressure, exhaust header pressure, and extraction/admission header pressure. Interfacing with a 4–20 mA transducer alongside ratio/limiter functions, the device regulates extraction and admission processes while enforcing established operating parameters.
| Parameter | Specification |
|---|---|
| Manufacturer | Woodward |
| Model | 9907-1183 |
| Microcontroller Architecture | 32-bit |
| Communication Serial Ports | 2 Modbus (ASCII or RTU) comm ports |
| Input Power Supply Rating | 18 to 32 Vdc |
| Recommended Ambient Air Temperature | -25 to +65 degC |
| Dimensions (L x H x D) | 14 x 11 x 4 inches (356 x 279 x 102 mm) |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|