8200-314 Woodward ProTech 203

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Product basic information
Manufacturer: Woodward
Model: 8200-314
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
8200-314 controller has stable performance and high reliability

Categories: WOODWARD
Tags: - Actuator 8200-314 controller debugger module Motor touch screen WOODWARD

8200-314 Woodward ProTech 203

The 8200-314 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 8200-314
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:
- 8200-314 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.

Principles, Types, and Applications of Motor Controllers

1. Introduction

As the core component of modern motor drive systems, the performance of the motor controller directly affects the operational efficiency and stability of the entire system.

With the continuous improvement of industrial automation and intelligence, the application of motor controllers is becoming increasingly widespread.

This article will provide a detailed introduction to the principles, types, and applications of motor controllers.
2、 The principle of motor controller

A motor controller is a device used to control the operation of a motor, which precisely controls the operating status of the motor by receiving external commands or

sensor signals. The principle of motor controller mainly includes the following aspects:

Signal processing: The motor controller receives signals from external sources, such as gear, throttle, brake commands, or signals from sensors, such as speed,

position, etc. After being processed by the controller, these signals are converted into instructions for controlling the operation of the motor.

Control algorithm: The motor controller integrates multiple control algorithms internally, such as PID control, fuzzy control, etc. These algorithms calculate the

optimal control parameters, such as voltage, current, frequency, etc., based on the input signal and the actual operating state of the motor.
Power output: The motor controller converts the calculated control parameters into specific power output, and transmits electrical energy to the motor through

the driving circuit to control the motor”s starting, stopping, accelerating, decelerating, forward, reverse and other operating states.

Feedback regulation: The motor controller monitors the operating status of the motor in real-time through sensors, such as speed, position, temperature, etc

. When there is a deviation between the actual operating state of the motor and the expected state, the controller will adjust the control parameters in real time based on the feedback signal to ensure the stable operation of the motor.

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: 8200-314 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).
8200-314 Weight: Approximately 9.11 pounds (4.13 kilograms).

IV. Application Scenarios

Steam Turbine Control: 8200-314Suitable 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.