Woodward E8516-051 |CPU Module, Origin: United States
1.E8516-051 Product Overview
The Woodward E8516-051 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.
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2. E8516-051 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 E8516-051 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.
3. Adjust the inductance
Inductance is another parameter that can regulate current. Inductors can store and release magnetic field energy in circuits, thereby affecting changes in current.
By replacing inductors with different inductance values or adjusting the voltage of the inductors, it is possible to adjust the current. Inductive regulation is commonly
used in situations where stable current or suppression of current fluctuations is required.
4. Adjust the voltage
Voltage is a factor that directly affects current. According to Ohm”s Law, current is equal to voltage divided by resistance. Therefore, by changing the power supply voltage
or adjusting the output voltage of the power supply, it is easy to regulate the current in the circuit. Voltage regulation usually has the advantages of fast response speed and
wide adjustment range, and is one of the commonly used adjustment methods in current controllers.
3、 Application scenarios
1. Electric vehicle controller
In electric vehicles, the current controller is responsible for regulating the working current of the motor, thereby affecting the speed and power of the electric vehicle.
Electric vehicle controllers typically have a knob or slider for adjusting the current. Rotating or sliding this device can change the magnitude of the current, thereby
adjusting the speed and power of the electric vehicle. When adjusting the electric vehicle controller, attention should be paid to observing the operating status of the
motor and the battery level to avoid equipment damage caused by overcurrent or overheating.
2. Industrial equipment
In industrial equipment, the regulation of current controllers usually requires professional skills and the use of specialized tools. For example, in automated production lines,
current controllers are used to regulate the working current of actuators such as motors and solenoid valves to ensure the stability and accuracy of the production process.
When adjusting the current controller in industrial equipment, it is necessary to fully understand the working principle and control requirements of the equipment, and follow the operating guidelines of the equipment manufacturer.
Click to learn more about Woodward”s products
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