Woodward 8290-194 Price Discount | In Stock
1.8290-194 Product Overview
The Woodward 8290-194 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. 8290-194 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 8290-194 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.
2、 Classification of Drivers
1. Classified by energy conversion method: Drivers can be divided into electric drivers, hydraulic drivers, pneumatic drivers, etc.
2. Classified by motion mode: Drivers can be divided into linear motion drivers, rotary motion drivers, swing motion drivers, etc.
3. Classified by control method: Drivers can be divided into open-loop drivers, closed-loop drivers, semi closed-loop drivers, etc.
4. Classified by function: Drivers can be divided into positioning drivers, speed regulating drivers, synchronous drivers, etc.
3、 The working principle of the driver
1. Electric drive: The electric drive converts electrical energy into mechanical energy through an electric motor to achieve the
operation of mechanical equipment. The working principle of electric motors mainly includes DC motors, AC motors, stepper motors, servo motors, etc.
2. Hydraulic Drive: Hydraulic drives convert hydraulic pressure energy into mechanical energy through hydraulic pumps,
enabling the operation of mechanical equipment. The working principle of hydraulic actuators includes the collaborative work
of components such as hydraulic pumps, hydraulic cylinders, and hydraulic valves.
3. Pneumatic actuator: Pneumatic actuators convert gas pressure energy into mechanical energy through pneumatic components
to achieve the operation of mechanical equipment. The working principle of pneumatic actuators includes the coordinated operation
of components such as pneumatic cylinders, pneumatic valves, and air sources.
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