Description
The Woodward 505 Enhanced Turbine Control 9907-1183 is a microprocessor-based digital turbine governor designed for industrial steam turbine control applications. It provides speed control, load control, valve positioning, extraction/admission control, and turbine protection functions for steam turbines driving generators, compressors, pumps, and industrial fans.
The 9907-1183 model is the low-voltage DC version of the Woodward 505 Enhanced Digital Control series, operating from an 18–32 VDC supply. It integrates an operator interface, configurable PID control loops, and communication capability for turbine automation systems.
📋 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | Woodward |
| Model | 9907-1183 |
| Series | 505 Enhanced Digital Turbine Control |
| Product Name | Digital Turbine Governor Controller |
| Application | Steam Turbine Speed, Load & Valve Control |
| Controller Type | Microprocessor-Based Digital Control |
| Power Supply | 18–32 VDC |
| Control Function | Speed Control / Load Control / Extraction & Admission Control |
| Processor | High-Speed Digital Microprocessor |
| Analog Inputs | Configurable 4–20 mA / Voltage Inputs |
| Analog Outputs | Actuator Control Outputs |
| Communication | Modbus RTU / Serial Communication |
| Display Interface | Integrated LCD Display & Keypad |
| Control Algorithm | PID Control Structure |
| Mounting Type | Panel Mount |
| Operating Temperature | Industrial Environment Rated |
| Dimensions | Approx. 483 × 267 × 89 mm |
| Weight | Approx. 4 kg |
| Country of Origin | USA |
| Condition / Status | Used – Verify Physical Unit |
⚙️ Product Features
🔹 Steam Turbine Control – Designed to operate industrial steam turbines, turbo-expanders, generators, compressors, pumps, and fan drive systems.
🔹 Advanced PID Regulation – Provides configurable PID loops for turbine speed, load, inlet pressure, exhaust pressure, and extraction/admission pressure control.
🔹 Integrated Operator Interface – Includes built-in display and keypad for configuration, monitoring, alarms, and operating parameter adjustment.
🔹 Extraction & Admission Control – Supports turbine applications requiring controlled steam extraction or admission regulation.
🔹 Low Voltage DC Version – The 9907-1183 model uses an 18–32 VDC power supply suitable for industrial and marine control systems.
🔹 Redundant Operation Support – Enhanced 505 controllers include improved control logic and redundancy-related features compared with earlier versions.
🔹 Industrial Communication – Supports communication with plant control systems for monitoring and automation integration.
🔹 Turbine Protection Functions – Provides monitoring and protection logic including overspeed protection, shutdown inputs, and alarm handling.
❓ Common Questions & Answers
Q1: What is the Woodward 9907-1183?
A: It is a Woodward 505 Enhanced Digital Turbine Control used for steam turbine governing, speed regulation, load control, and protection.
Q2: What type of turbines can use the 9907-1183?
A: It is designed for industrial steam turbines including applications driving generators, compressors, pumps, and industrial fans.
Q3: Is the 9907-1183 a PLC module?
A: No. It is a dedicated turbine governor and control system designed specifically for steam turbine automation.
Q4: What power supply does this model require?
A: The 9907-1183 requires an 18–32 VDC power supply.
Q5: What control functions are available?
A: The controller provides speed control, load control, valve positioning, extraction/admission pressure control, and turbine protection functions.
Q6: Can the 9907-1183 communicate with a DCS system?
A: Yes. It supports serial communication functions for integration with industrial automation systems.
Q7: What should be checked before replacement?
A: Confirm the complete part number, hardware revision, power supply type, turbine configuration, actuator type, wiring, and existing control parameters before installation.
⭐ Recommended Woodward Models
- 9907-1181 – 505 Enhanced Digital Turbine Control AC Version
- 9907-1182 – 505 Enhanced Digital Turbine Control AC/DC Version
- 9907-1183 – 505 Enhanced Digital Turbine Control 24VDC Version
- 9907-164 – 505 Digital Turbine Controller
- 9907-165 – 505E Digital Turbine Control
- 9907-166 – 505E Digital Governor AC/DC Version
- 9907-167 – 505E Steam Turbine Controller
- 9905-861 – Digital Turbine Governor Control
- 8238-007 – Woodward 505 Steam Turbine Control
- 9907-247 – Woodward 828 Digital Control Unit
