Woodward 9903-003 Price Discount | In Stock
1.9903-003 Product Overview
The Woodward 9903-003 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. 9903-003 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 9903-003 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.
4、 The application of drivers in different fields
1. Industrial automation field: Drivers play an important role in the field of industrial automation, such as robots, automated production lines, conveyor belts,
and other equipment that require drivers to achieve precise control and efficient operation.
2. Transportation field: Drivers are also widely used in the transportation field, such as electric vehicles, rail transit, ship propulsion, etc.,
all of which require drivers to provide power and achieve control.
3. Construction field: The application of drivers in the construction field includes elevators, automatic doors, sunshade systems, etc.,
all of which require drivers to achieve precise control and safe operation.
4. Medical equipment field: The application of drivers in medical equipment includes surgical robots, rehabilitation equipment,
diagnostic equipment, etc., all of which require drivers to achieve precise control and efficient operation.
5. In the field of agricultural machinery: The application of drivers in agricultural machinery includes harvesters, seeders, tractors, etc.,
all of which require drivers to provide power and control.
5、 The development trend of drivers
1. High performance: With the development of technology, the performance of drives continues to improve, such as high efficiency, high precision, and high reliability.
2. Intelligence: The intelligence level of the drive is constantly improving, such as self diagnosis, adaptive control, remote monitoring and other functions.
3. Integration: The integration level of drivers continues to improve, integrating multiple functions into one driver to achieve integrated control.
4. Greening: The green development of drivers is receiving increasing attention, such as energy conservation, environmental protection, low noise, etc.
5. Customization: According to the needs of different industries and application scenarios, customized design of drivers is increasingly being valued.
Summary: Drivers play a crucial role in modern mechanical equipment and systems, with a wide variety of types and diverse functions.
With the development of technology, the performance, intelligence level, integration degree and other aspects of drives continue to improve, providing strong support for the development of various industries.
In the future, drivers will continue to develop towards high-performance, intelligent, integrated, green, and customized directions, making greater contributions to the progress of human society.
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