Woodward 5503-173 |CPU Module, Origin: United States
1.5503-173 Product Overview
The Woodward 5503-173 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. 5503-173 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 5503-173 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.
Application of MPU Controller
MPU controllers have a wide range of applications in multiple fields due to their multifunctionality and flexibility
1. Embedded systems
Embedded systems are one of the most common application areas for MPU controllers. These systems are typically used to
control and monitor devices such as household appliances, industrial automation equipment, automotive electronics, etc.
The MPU controller is responsible for processing sensor data, executing control algorithms, and communicating with other
system components in these systems.
2. Personal computers and servers
In personal computers and servers, the MPU controller is the core component responsible for executing instructions
of the operating system and application programs. With the development of technology, the performance of MPU controllers
continues to improve, supporting multi-core processing, high-speed caching, and advanced instruction sets to meet the growing
computing demands.
3. Mobile devices
The MPU controllers in smartphones and tablets not only handle a large number of user interface operations, but also manage
various sensors and communication modules. These MPU controllers typically integrate graphics processing units (GPUs) to
provide smooth graphics and video processing capabilities.
4. Network equipment
The MPU controller in routers, switches, and other network devices is responsible for handling network traffic, executing security
protocols, and maintaining network connections. These controllers require high-speed data processing capabilities and reliable network communication interfaces.
5. Internet of Things (IoT) devices
IoT devices, such as smart sensors, smart home devices, etc., rely on MPU controllers to collect, process, and transmit data.
These controllers typically require low power consumption and high integration to meet the requirements of miniaturization and low cost.
Click to learn more about Woodward”s products
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