8440-2082 EG3200XT Woodward ProTech 203

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Product basic information
Manufacturer: Woodward
Model: 8440-2082 EG3200XT
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
8440-2082 EG3200XT controller has stable performance and high reliability

Categories: WOODWARD
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8440-2082 EG3200XT Woodward ProTech 203

The 8440-2082 EG3200XT 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 8440-2082 EG3200XT
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:
- 8440-2082 EG3200XT 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.

What is a host controller?

What is a host controller?
When developing specifications, we should ensure that there is only one host in any USB system. The USB specification

is not intended as a network architecture, its purpose is to achieve simple interconnection from peripherals to PCs. A host can

be a combination of hardware, firmware, or software. The most common USB host implementation scheme in computers currently

is part of the so-called core logic chipset. This host controller device adopts the computing function of PC CPU, supports data storage and

movement with system memory, and is implemented as a whole through PC operating system. All hosts must integrate a root hub into the system.

The host is mainly responsible for the following tasks:

Detecting the external connection and removal of USB devices
Control process between management host and USB devices
Manage the data flow between the host and USB devices
Collect status and activity data
Power supply for external USB devices
USB system software
Manage the interaction between hosts and devices in the following five aspects
Equipment List and Configuration
Synchronous data transmission
Asynchronous data transfer
power management
Equipment and bus management information
Most operating systems now include a series of “class drivers” that facilitate the connection of peripherals. Class drivers enable peripheral manufacturers

to provide products with native support for operating system software, thereby saving the cost of developing drivers and providing drivers for new host systems.

Moreover, after the launch of new storage devices, peripherals can directly support drivers. Most operating systems support some common class drivers, including

audio class, Human Interface Device (HID) class, imaging class, mass storage class, printer class, and video class. At present, many manufacturers

use the above-mentioned class drivers to implement product functions, but they also provide customized drivers or application software to support more functions beyond the class driver specification.

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: 8440-2082 EG3200XT 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).
8440-2082 EG3200XT Weight: Approximately 9.11 pounds (4.13 kilograms).

IV. Application Scenarios

Steam Turbine Control: 8440-2082 EG3200XTSuitable 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.