Woodward 8441-1120 505 Turbine Control | 100% Original
1.8441-1120 Product Overview
The Woodward 8441-1120 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.
contacts： Mike
+86 18350224834 （WeChat/WhatsApp）
Email：Mike18350224834@gmail.com
2. 8441-1120 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 8441-1120 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.
feature
(1) High integration: Microcontrollers integrate key components such as CPU, memory, and I/O interfaces onto a single chip,
making the entire system more compact and efficient.
(2) Powerful functionality: Microcontrollers have rich instruction sets and powerful data processing capabilities, which can meet various complex control needs.
(3) Low power consumption: The microcontroller adopts advanced low-power design technology, which enables
the system to have lower energy consumption during operation.
(4) Strong flexibility: Microcontrollers can be customized and developed according to different application scenarios to meet specific needs.
3、 Definition and Characteristics of Motion Controllers
definition
A motion controller is a specialized controller used to control the operation of actuators such as electric motors.
It is responsible for transforming predetermined control schemes and planning instructions into desired mechanical motion,
achieving precise control of mechanical motion in terms of position, velocity, acceleration, torque, or force.
feature
(1) High precision: The motion controller has high-precision control capability, which can ensure that the actuator moves according to the predetermined trajectory and speed.
(2) Strong real-time performance: The motion controller adopts real-time control technology, which can quickly respond to
external signals and internal state changes, ensuring the stability and safety of the system.
(3) Multi axis coordination: The motion controller can achieve multi axis coordination control of multiple servo motors to meet complex motion control requirements.
(4) Strong scalability: The motion controller has rich interfaces and expansion functions, which can be connected and communicated with various sensors and actuators.
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