Woodward 8239-008 |CPU Module, Origin: United States
1.8239-008 Product Overview
The Woodward 8239-008 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. 8239-008 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 8239-008 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.
What is an LCD controller? The function, overview, and product list of Epson LCD controllers
What is an LCD controller
The role and function of LCD controller
LCD controller (liquid crystal display controller) is a dedicated integrated circuit (IC) connected to the host CPU and controlling the
LCD panel. It is also known as LCDC (LCD controller), display controller, or liquid crystal controller. In the following text, we will refer to it as LCDC.
LCDC receives display image data from the host CPU and outputs data and synchronization signals at timing that matches the
specifications of the LCD panel. Some LCDCs have built-in memory and image processing capabilities, allowing them to expand,
shrink, rotate, or overlay multiple images to fit the screen size.
Example of Epson LCDC Evaluation Board
Arduino is a widely sold board equipped with MCU. Here, we introduce an example of using Arduino Due, which is one
of the Arduino boards connected to Epson LCDC S1D13781.
Arduino Due is an Atmel SAM3X8E board based on the ARM Cortex-M3 core. Although it is sold globally, it can also be
easily obtained through many online retailers.
S1D13781 is an LCDC capable of full-color display control up to WQVGA. The S5U13781R01C100 board is equipped with
S1D13781, designed for easy connection to Arduino Due.
We have prepared a reference design that combines the S5U13781R01C100 board, Arduino Due, and WQVGA TFT LCD
module, allowing you to easily verify the functionality of the LCDC.
Click to learn more about Woodward”s products
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