Woodward 5464-658 from SAUL ELECTRIC | In Stock
1.5464-658 Product Overview
The Woodward 5464-658 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. 5464-658 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 5464-658 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.
The enhancement of noise resistance is another advantage of PWM over analog control, and this is also the main reason why PWM is
used for communication in some cases. Switching from analog signals to PWM can greatly extend communication distance. At the
receiving end, modulated high-frequency square waves can be filtered out and the signal can be restored to analog form through appropriate
RC or LC networks. PWM is widely used in various systems.
In short, PWM is not only economical, space saving, and has strong noise resistance, but also an effective technology worth using by
engineers in many design applications.
The commonly used linear series stabilized power supply chips are: 78XX series (positive voltage type), 79XX series (negative voltage type)
(in actual products, XX is represented by a number, and the output voltage is what XX is. For example, 7805 with an output voltage of 5V; LM317
(adjustable positive voltage type), LM337 (adjustable negative voltage type); 1117 (low voltage difference type, there are multiple models,
and the voltage value is represented by the last digit. For example, 1117-3.3 is 3.3V, and 1117-ADJ is adjustable).
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