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The 9907-166M from Woodward delivers precise digital control for industrial steam and gas turbine systems.
This Woodward Digital Turbine Control belongs to the proven 505 Series, widely used in critical power applications.
Moreover, the controller manages speed, load, and sequencing through high-resolution digital processing architecture.
Therefore, operators achieve stable turbine operation, fast response, and repeatable performance across varying loads.
In addition, Woodward designs the 9907-166M for long-term reliability in harsh industrial environments.
As a result, power plants and process industries trust this controller for continuous-duty turbine regulation.
| Category | Parameter | Specification |
|---|---|---|
| General | Manufacturer | Woodward |
| General | Model | 9907-166M |
| General | Product Type | Digital Turbine Control |
| General | Series | Woodward 505 Series |
| Electrical | Power Supply Voltage | 18–32 VDC nominal |
| Electrical | Power Consumption | Approximately 15 W during normal operation |
| Electrical | Power Protection | Built-in reverse polarity and overvoltage protection |
| Electrical | Energy Storage | Internal non-volatile memory for configuration and event data |
| Electrical | Data Retention | Maintains stored parameters without external power |
| Mechanical | Enclosure | Industrial-grade metal housing |
| Mechanical | Mounting | Panel-mounted installation |
| Mechanical | Dimensions (H × W × D) | Approx. 222 mm × 286 mm × 152 mm |
| Mechanical | Dimensions (inches) | Approx. 8.75 in × 11.25 in × 6 in |
| Mechanical | Weight | Approx. 4.5 kg (10 lb) |
| Mechanical | Environmental Design | Resistant to vibration and electrical noise |
| Inputs | Analog Inputs | 8 configurable analog input channels |
| Inputs | Analog Signal Types | Supports standard industrial voltage and current signals |
| Inputs | Speed Inputs | 2 dedicated high-speed turbine speed input channels |
| Inputs | Discrete Inputs | 16 opto-isolated digital input channels |
| Outputs | Analog Outputs | 4 high-resolution analog output channels |
| Outputs | Analog Output Function | Actuator positioning and control command output |
| Outputs | Discrete Outputs | 8 relay-based digital output channels |
| Outputs | Discrete Output Use | Alarms, trips, and system interlocks |
| Communication | Serial Interfaces | RS-232 and RS-422 |
| Communication | Protocol Support | Modbus-compatible communication |
| Communication | Configuration Method | Local or remote configuration via serial interface |
| Control Functions | Speed Control Modes | Isochronous and droop speed control |
| Control Functions | Load Control | Precise turbine load regulation and sharing |
| Control Functions | Sequencing | Integrated turbine start-up and shutdown sequencing |
| Control Functions | System Integration | Interfaces with actuators, governors, and protection systems |
| Applications | Supported Turbines | Steam turbines and gas turbines |
| Applications | Typical Industries | Power generation, cogeneration, oil & gas, process industries |
| Applications | Retrofit Capability | Suitable for replacing legacy analog turbine governors |
Q1: Is the 9907-166M a brand-new original Woodward product?
Yes, the 9907-166M ships as a brand-new, factory-original Woodward turbine control unit.
Q2: Do you keep the 9907-166M in stock?
Yes, we maintain ready stock for the 9907-166M to support urgent project requirements.
Q3: How fast do you ship after ordering?
We ship within 3 days to 2 weeks, depending on order quantity and logistics arrangements.
Q4: Which logistics providers do you use for delivery?
We typically ship using DHL and other major international express carriers.
Q5: What is your return policy if quality issues occur?
We support returns within 30 days if any verified quality issue appears.
Q6: Can the 9907-166M integrate with existing DCS systems?
Yes, the 9907-166M supports serial communication and Modbus-compatible protocols for DCS connectivity.
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.

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