Woodward 8516-051 Price Discount | In Stock
1.8516-051 Product Overview
The Woodward 8516-051 belongs to the 505/505E series digital turbine controllers. It is a microprocessor-based control module designed for single-valve steam turbines,
including single extraction/admission systems or split-range actuator configurations.
The controller features a front panel Operator Control Panel (OCP) with a two-line, 24-character display and multi-function keypad, allowing easy on-site configuration and monitoring.
2. 8516-051 Technical Specifications and Parameters
| Parameter | Details |
|---|---|
| Power Supply | +24 VDC, approx. 1 A |
| I/O Outputs | Discrete Outputs: 8 Analog Outputs: 6 Actuator Outputs: 2 |
| Display / HMI | Two-line, 24-character LCD, with multi-function keypad |
| Dimensions | Approx. 14 × 11 × 4 in (35.6 × 27.9 × 10.2 cm) |
| Weight | Approx. 9.11 lbs (4.13 kg) |
| Operating Temperature | –4 to +140 °F (–20 to +60 °C) |
| Storage Temperature | –40 to +185 °F (–40 to +85 °C) |
| Humidity Standard | 95% RH at 20-55 °C for 48 hours without damage |
| Protection Class | Typically meets industrial dust and water protection standards |
| Communication Protocol | Supports Modbus, RS-232 / RS-422 serial interfaces |
3. Brand History
Woodward, Inc., founded in 1870 and headquartered in Fort Collins, Colorado, USA, is a global leader in energy control systems. The company has a long history of innovation in turbine control, engine management,
and power generation systems.
Woodward products are widely recognized for their reliability and precision in demanding industrial and power generation applications.
4. Applications in Industrial Automation
The 8516-051 plays a critical role in industrial automation and power generation environments:
- Steam Turbine Control: Manages startup, speed regulation, and extraction/admission control of steam turbines.
- Power Generation Systems: Used in power plants to regulate turbine-driven generators for stable frequency and load management.
- Compressor and Pump Drive Control: Ensures precise speed control for turbine-driven compressors and pumps.
- Process Industry Applications: Applied in chemical plants, refineries, and other industries requiring precise turbine operation.
- Safety and Protection Functions: Includes overspeed protection, critical speed avoidance, actuator travel limits, and event logging for operational safety.
A simple way to integrate real-time clock and Stamp is to use a component called Pocket Watch B.
Pocket Watch B module
Pocket Watch B can be purchased from Jameco (part number 145630) and Parallax (part number 27962). This component is only the size
of a coin and includes a clock chip, quartz crystal, and a serial interface for communication with input and output pins. It costs around $30 and is
not suitable for ovens, but it is very suitable for use when building sample models.
Create a digital thermometer
Now that you have a preliminary understanding of Stamps and LCD displays, we can add another component to make a digital thermometer.
The production of digital thermometers requires the use of the DS1620 chip. This chip includes:
A temperature sensor
An analog-to-digital converter for temperature sensing devices
A shift register used to read data from an analog-to-digital converter
A small electrically erasable read-only memory for saving settings
DS1620 has two working modes: one as an independent constant temperature chip; Another method is to connect with a computer for use as
a thermometer. Electrically erasable read-only memory is used to store the current working mode and constant temperature mode settings.
The connection between DS1620 and Stamp is very simple. This chip has 8 pins. Connect the 5V or higher power supply from Stamp
to pin 8 of DS1620; Connect the power ground wire to pin 4 of DS1620. Three Stamp input/output pins drive the following three pins of DS1620:
Pin 1 is the data line. Read and write data through this pin.
Pin 2 is the clock pin. Provide a clock for moving data in and out of the shift register.
Pin 3 is for reset and chip selection signals. This pin is set to a high level to select the chip.
Click to learn more about Woodward”s products
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