Woodward 5464-676 from SAUL ELECTRIC | In Stock
1.5464-676 Product Overview
The Woodward 5464-676 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. 5464-676 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 5464-676 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 Development History of CPU Controllers
The development process of CPU controllers can be divided into the following stages:
(1) Early CPUs, such as the Intel 4004, used a 4-bit data bus with a clock frequency of 740kHz and integrated 2300 transistors.
(2) 16 bit CPU: such as Intel 8086, using a 16 bit data bus, with a main frequency of 4.77MHz, and integrating 29000 transistors.
(3) 32-bit CPU: such as Intel 80386, using 32-bit data bus, with a main frequency of 12MHz, integrated with 275000 transistors.
(4) Superscalar CPU: such as Intel Pentium, which adopts superscalar architecture and can execute multiple instructions simultaneously, improving computational efficiency.
(5) Multi core CPU: such as Intel Core i7, which adopts a multi-core architecture and can execute multiple programs simultaneously, improving computing power.
(6) Heterogeneous computing: such as Intel Xeon Phi, which integrates CPU and GPU, can achieve heterogeneous computing and improve computing performance.
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