8516-068 Woodward ProTech 203

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Product basic information
Manufacturer: Woodward
Model: 8516-068
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
8516-068 controller has stable performance and high reliability

Categories: WOODWARD
Tags: - Actuator 8516-068 controller debugger module Motor touch screen WOODWARD

8516-068 Woodward ProTech 203

The 8516-068 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 8516-068
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:
- 8516-068 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.

The connectors on the board are arranged in a standard manner so that shielding can be connected. Shielding is a module with specialized functions

(such as infrared output, Bluetooth, GSM, WIFI, Ethernet, motor on/off control using Relas, stepper motor control). Depending on the type of shield,

multiple shields may be stacked together and addressed separately through the I2C serial bus.

Due to the open-source nature of Arduino code and hardware, third-party developers have already created copies of the official Arduino development board.

The Arduino development board has 32 to 512k of flash memory, which can be used for program storage.

Leonardo – a specific model of Arduino development board. Digital pins can be configured as inputs or outputs. In addition to standard analog inputs,

several digital pins can also serve as analog inputs.

What can Arduino development boards be used for?

Arduino development boards can be used to do many cool things. You can easily add LCD displays, keyboards, or seven segmented display modules and quickly

build a simple system. The Arduino. cc website provides a wealth of information and libraries. You can design your own electronic plugins or use shielding covers to

build modular systems. Arduino, due to its versatility, can be used for simple, mundane tasks or complex applications. A simple application example is to activate the

device when the indoor temperature drops below a certain level. Expanding this application and adding a GSM module can easily send text messages when such situations occur. Arduino development boards can be used to

implement complex home automation systems that can be controlled through smartphones. Enthusiasts also use them as processing and control devices in robots,

and provide kits for building simple wheeled robots.

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: 8516-068 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).
8516-068 Weight: Approximately 9.11 pounds (4.13 kilograms).

IV. Application Scenarios

Steam Turbine Control: 8516-068Suitable 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.