8440-3000 Woodward overspeed protector

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Product basic information
Manufacturer: Woodward
Model: 8440-3000
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
8440-3000 controller has stable performance and high reliability

Categories: WOODWARD
Tags: - Actuator 8440-3000 controller debugger module Motor touch screen WOODWARD

8440-3000 Woodward overspeed protector

The 8440-3000 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 8440-3000
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:
- 8440-3000 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.

4、 Application of Motor Controller

Motor controllers are widely used in various devices and systems that require motor drive, such as electric vehicles, industrial automation, robots,

aerospace, and other fields. The following are the applications of motor controllers in several typical fields:

Electric vehicles: In electric vehicles, the motor controller is a key component that controls the vehicle”s driving status. It precisely controls the operation

of the motor based on the driver”s instructions and the actual state of the vehicle, achieving functions such as starting, accelerating, decelerating,

and braking of the vehicle. At the same time, the motor controller can also achieve functions such as energy recovery and braking energy feedback, improving the vehicle”s energy utilization rate and range.

Industrial automation: In the field of industrial automation, motor controllers are widely used in various mechanical equipment and production lines.

Accurate control of the motor through the motor controller can achieve automated operation and precise control of the equipment, improving production

efficiency and product quality.

Robots: In the field of robotics, motor controllers are key components for controlling the movement of robots. By using a motor controller to precisely control

the motors of each joint of the robot, precise control of various actions and postures of the robot can be achieved, enabling the robot to complete various complex tasks.

Aerospace: In the field of aerospace, motor controllers are applied in the drive systems of various aircraft and spacecraft. Due to the high performance requirements

for motor controllers in the aerospace industry, motor controllers need to have characteristics such as high precision, high reliability, and high stability.

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: 8440-3000 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).
8440-3000 Weight: Approximately 9.11 pounds (4.13 kilograms).

IV. Application Scenarios

Steam Turbine Control: 8440-3000Suitable 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.