Woodward 8408-0920 from SAUL ELECTRIC | In Stock
1.8408-0920 Product Overview
The Woodward 8408-0920 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. 8408-0920 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 8408-0920 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.
How to use PLC controller and how to repair PLC controller
How to use PLC controller
The use of PLC (Programmable Logic Controller) controllers usually requires the following steps:
Understand the structure and working principle of the controller: Understand the hardware structure and software
programming method of the controller, as well as the role of its input and output signals.
Programming: Writing control programs, including the logical relationship and operation methods of input and output signals.
Connecting devices: Connect the devices that need to be controlled to the input and output ports of the PLC controller.
Loading program: Load the written control program into the PLC controller.
Running program: Turn on the power of the PLC controller, start the control program, and the controller will control the
output signal according to the logical relationship and signal input in the program to achieve the purpose of controlling the equipment.
Monitoring operation status: Through the human-machine interface of the PLC controller or external monitoring equipment,
the operation status of the controller can be monitored at any time and necessary adjustments can be made.
It should be noted that different PLC controllers use different programming languages and human-machine interfaces. Before use,
carefully read the controller”s user manual and adjust it according to the actual situation.
Click to learn more about Woodward”s products
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