Woodward 1720-707 505 Turbine Control | 100% Original
1.1720-707 Product Overview
The Woodward 1720-707 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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+86 18350224834 （WeChat/WhatsApp）
Email：Mike18350224834@gmail.com
2. 1720-707 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 1720-707 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.
What are the characteristics of combinational logic controllers and microprogram controllers?
Combined Logic Controller
A combinational logic controller is a computer controller based on combinational logic circuits. Its main features are:
1.1 High speed: The combinational logic controller uses hardware to implement control logic, thus having a high execution speed.
1.2 Flexibility: The design of combinational logic controllers can be customized according to different computer systems to meet specific needs.
1.3 Scalability: The combinational logic controller can expand its functionality by adding more logic gates and circuits.
1.4 Maintainability: Due to its hardware based design, the maintenance and troubleshooting of combinational logic controllers may be relatively complex.
1.5 Reusability: The design of combinational logic controllers can be used for multiple projects and has high reusability.
1.6 Low power consumption: Due to its hardware based design, combinational logic controllers typically have lower power consumption.
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