Woodward 8250-818 |CPU Module, Origin: United States
1.8250-818 Product Overview
The Woodward 8250-818 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.
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2. 8250-818 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 8250-818 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.
Stepper Driver Manual _ How to Use Stepper Motor Driver _ Stepper Driver Maintenance
In the previous article, we introduced the principle of stepper drivers and the wiring diagram of stepper drivers. Now, let”s follow
in the footsteps of the editor to understand how to use and repair stepper drivers.
We have understood the principle and wiring diagram of the stepper driver, but we still do not know how to operate it. Next, taking
the ZHH-MC two-phase hybrid stepper motor driver as an example, we will talk about the user manual of the stepper motor driver.
Stepper Driver Manual _ How to Use Stepper Motor Driver _ Stepper Driver Maintenance
Stepper Driver Manual _ How to Use Stepper Motor Driver _ Stepper Driver Maintenance
Stepper Driver Manual _ How to Use Stepper Motor Driver _ Stepper Driver Maintenance
Since it is used, there must be losses. How to solve the problem when the loss of the stepper driver malfunctions? Don”t worry,
let”s follow in the footsteps of the editor and explore together.
Click to learn more about Woodward”s products
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