8250-022 Woodward Ship Spare Parts

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Product basic information
Manufacturer: Woodward
Model: 8250-022
Belonging to the famous 505 series
Supports multiple communication protocols and can be smoothly integrated with the existing control system of the factory
Core application: Designed specifically for speed control and protection of steam turbines
8250-022 controller has stable performance and high reliability

Categories: WOODWARD
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8250-022 Woodward Ship Spare Parts

The 8250-022 is a microprocessor-based digital governor controller produced by Woodward, belonging to its classic 505 series.
It is primarily designed for speed control and protection of steam turbines. Below is a detailed introduction to this product:

I. Product Overview

Brand and Model: Woodward 8250-022
Series: 505 Series Digital Governor
Type: Microprocessor-based controller
Purpose: Specifically designed for steam turbines to control their speed and provide overspeed protection.

II. Core Functions

Speed Control:
- 8250-022 Precisely controls the speed of steam turbines by adjusting steam inlet flow.
- Supports single-range or split-range actuators to accommodate turbines of different sizes.
Overspeed Protection:
- Incorporates triple independent overspeed protection logic to ensure rapid shutdown in case of overspeed, preventing equipment damage.
- Provides an overspeed test button for convenient on-site testing of protection functions.
Emergency Shutdown:
- Equipped with an emergency stop button for immediate shutdown in emergency situations.
System Protection:
- - Automatically switches control modes upon sensor failure to ensure uninterrupted system operation.
  - Offers local/remote control priority selection to adapt to different operational scenarios.

Global Domain Controller Market Forecast

The entire automotive industry generally believes that domain controllers are the most competitive and profitable part of the automotive electronics industry in the future, benefiting chip manufacturers and core algorithm suppliers.

（1） The driving factors behind the rapid growth of the domain controller market

More and better ADAS functions and intelligent cockpit and information entertainment functions have always been the main factors driving the rapid growth of the domain controller market.

These new functions can significantly improve the technological sense and user experience of the entire vehicle, and therefore are also the focus of investment for OEMs when developing new

models. ADAS applications between L1 and L2+levels have developed rapidly in recent years, with many functions rapidly becoming popular, such as parking assistance, lane departure warning,

adaptive cruise control, collision avoidance, blind spot detection, driver fatigue detection, etc.

A domain controller requires a more powerful and integrated main control processor as its brain. More functions that were originally implemented through separate ECUs can now be implemented on

the domain main control processor, which can save more ECU usage and other hardware resources required in the functional domain. Higher integration can meet the requirements of ADAS domain

control and related component platformization and standardization in the supply chain management of host factories.

（2） The impact on the supply chain of domain controllers

The evolution and development of automotive E/E architecture have also profoundly influenced the supply relationship between OEMs and automotive electronics suppliers. The core competitiveness

of the host factory has shifted from mainly mechanical manufacturing to focusing on software and algorithms. It is expected that there may be two cooperation models between vehicle manufacturers and Tier 1 suppliers in the future:

Firstly, Tier 1 is responsible for the hardware design and production of domain controllers, as well as the middleware software part of the intermediate layer. The vehicle manufacturer is responsible

for the autonomous driving software part. The advantage of Tier 1 is to produce products at a reasonable cost and accelerate their implementation. Therefore, it is inevitable for vehicle manufacturers to

cooperate with Tier 1 in production. The former is responsible for the autonomous driving software part, while the latter is responsible for hardware production, intermediate layer, and chip solution integration.

In this mode, when the project is approved, the vehicle manufacturer may cross Tier 1 and directly determine the chip selection of the solution with the chip manufacturer.

Secondly, Tier 1 collaborates with chip manufacturers to develop central domain controllers after integrating solutions and sell them to vehicle manufacturers, such as Continental ADCU, ZF ProAI, Magna MAX4, etc.

III. Technical Specifications

Power Supply: 18-32 VDC, supporting 24VDC input.
Display: Two-line x 24-character LED display for clear indication of operating status and parameters.
Enclosure: NEMA 4X or IEC 60529 IP56 rated for protection against harsh industrial environments.
Inputs/Outputs:
- Inputs: 6 programmable current inputs, 16 discrete contact inputs.
- Outputs: 2 actuator outputs, 8 relay outputs, 6 programmable current outputs.
Communication Interfaces: 8250-022 Supports RS-232, RS-422, and RS-485 hardware interfaces for easy integration with host computers or other devices.
Software: Equipped with OpView™ and 505View software for parameter configuration, monitoring, and fault diagnosis.
Operating Temperature: -20 to +60°C (some models support -4 to +140°F).
Storage Temperature: -40 to +85°C (some models support -40 to +185°F).
8250-022 Weight: Approximately 9.11 pounds (4.13 kilograms).

IV. Application Scenarios

Steam Turbine Control: 8250-022Suitable for steam turbines of various sizes, including industrial steam turbines, small grid turbo-generators, and turboexpanders.
Single Extraction and Admission Applications: Designed for operating steam turbines in single extraction and/or admission applications.
On-Site Programming: Allows on-site operators to program and adjust parameters through an integrated operator control panel, adapting to different operating conditions.

V. Product Advantages

High Reliability:
- Microprocessor-based design ensures precise control and stability.
- Triple independent overspeed protection logic provides multiple layers of safety.
Flexibility:
- Supports various actuator and sensor configurations to accommodate different turbine models.
- Offers a rich set of input/output interfaces for easy system expansion and integration.
Ease of Use:
- Two-line x 24-character LED display provides an intuitive operating interface.
- A 30-key multifunctional keyboard simplifies parameter configuration and operation.
Compatibility:
- Supports multiple communication protocols for easy integration with DCS, PLC, and other systems.
- Provides OpView™ and 505View software for remote monitoring and fault diagnosis.