Woodward 9907-1228 |CPU Module, Origin: United States
1.9907-1228 Product Overview

The Woodward 9907-1228 belongs to the 505/505E series digital turbine controllers. It is a microprocessor-based control module designed for single-valve steam turbines, including single extraction/admission systems or split-range actuator configurations.
The controller features a front panel Operator Control Panel (OCP) with a two-line, 24-character display and multi-function keypad, allowing easy on-site configuration and monitoring.
2. 9907-1228 Technical Specifications and Parameters
| Parameter | Details |
|---|---|
| Power Supply | +24 VDC, approx. 1 A |
| I/O Outputs | Discrete Outputs: 8 Analog Outputs: 6 Actuator Outputs: 2 |
| Display / HMI | Two-line, 24-character LCD, with multi-function keypad |
| Dimensions | Approx. 14 × 11 × 4 in (35.6 × 27.9 × 10.2 cm) |
| Weight | Approx. 9.11 lbs (4.13 kg) |
| Operating Temperature | –4 to +140 °F (–20 to +60 °C) |
| Storage Temperature | –40 to +185 °F (–40 to +85 °C) |
| Humidity Standard | 95% RH at 20-55 °C for 48 hours without damage |
| Protection Class | Typically meets industrial dust and water protection standards |
| Communication Protocol | Supports Modbus, RS-232 / RS-422 serial interfaces |

3. Brand History
Woodward, Inc., founded in 1870 and headquartered in Fort Collins, Colorado, USA, is a global leader in energy control systems. The company has a long history of innovation in turbine control, engine management, and power generation systems. Woodward products are widely recognized for their reliability and precision in demanding industrial and power generation applications.
4. Applications in Industrial Automation
The 9907-1228 plays a critical role in industrial automation and power generation environments:
- Steam Turbine Control: Manages startup, speed regulation, and extraction/admission control of steam turbines.
- Power Generation Systems: Used in power plants to regulate turbine-driven generators for stable frequency and load management.
- Compressor and Pump Drive Control: Ensures precise speed control for turbine-driven compressors and pumps.
- Process Industry Applications: Applied in chemical plants, refineries, and other industries requiring precise turbine operation.
- Safety and Protection Functions: Includes overspeed protection, critical speed avoidance, actuator travel limits, and event logging for operational safety.

5464-661 505 Turbine Control | 100% Original,
5461-650 |CPU Module, Origin: United States,
2301E 8273-1011 from SAUL ELECTRIC | In Stock,
8271-147 505 Turbine Control | 100% Original,
8440-1831 505 Turbine Control | 100% Original,
5501-367 505 Turbine Control | 100% Original,
8280-505 Price Discount | In Stock,
8915-877 505 Turbine Control | 100% Original,
5462-520 from SAUL ELECTRIC | In Stock,
8250-749 |CPU Module, Origin: United States,
5464-337 | Governor | Controller | Potential Converter,
5464-827 505 Turbine Control | 100% Original,
8237-1247 505 Turbine Control | 100% Original,
5461-290 |CPU Module, Origin: United States,
5464-596 from SAUL ELECTRIC | In Stock,
8239-008 from SAUL ELECTRIC | In Stock,
8580-071 | Governor | Controller | Potential Converter,







There are no reviews yet.