Woodward 8272-242B |CPU Module, Origin: United States
1.8272-242B Product Overview
The Woodward 8272-242B 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. 8272-242B 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 8272-242B 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. Household appliances
Many household appliances such as televisions, computers, and air conditioners also have the option to adjust the current.
The current regulation of these devices is usually achieved through the device”s menu settings or control panel. When regulating the current in
household appliances, attention should be paid to observing the operating status and power consumption of the equipment to avoid damage or
impact on its service life caused by overcurrent or overload.
4. Electronic musical instruments
In electronic musical instruments, current controllers are used to adjust the current magnitude of audio signals, thereby affecting pitch, volume,
and other audio characteristics. For example, in a synthesizer, the current controller can adjust the output current of the oscillator, thereby changing the
tone and volume of the synthesized sound. When adjusting the current controller in electronic musical instruments, attention should be paid to maintaining
the stability and clarity of the audio signal to avoid introducing unnecessary noise or distortion.
4、 Precautions
1. Safety first: When adjusting the current controller, ensure that the power is turned off or in a safe state to avoid dangerous situations such as electric shock or short circuit.
2. Understanding the equipment: Before adjusting the current controller, it is necessary to fully understand the working principle and
control requirements of the equipment to ensure correct operation.
3. Gradual adjustment: When adjusting the current, the current value should be gradually increased or decreased, and the operating
status and response of the equipment should be observed to avoid damage caused by overcurrent or overload.
4. Monitoring current: When adjusting the current controller, measuring tools such as ammeters should be used to monitor the
current value in real time to ensure that the current fluctuates within the allowable range.
5. Maintain ventilation: When adjusting the current controller, attention should be paid to maintaining good ventilation around
the equipment to avoid equipment damage or performance degradation due to overheating.
6. Regular maintenance: Regular maintenance and inspection of the current controller can promptly detect and solve potential problems,
ensuring the normal operation of the equipment and extending its service life.
Click to learn more about Woodward”s products
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