Woodward 5437-672 from SAUL ELECTRIC | In Stock
1.5437-672 Product Overview
The Woodward 5437-672 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. 5437-672 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 5437-672 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.
The composition of the controller: The motor controller mainly consists of the following parts:
1. The electronic control module includes hardware circuits and corresponding control software. The hardware circuit mainly
includes microprocessors and their ZUI subsystems, monitoring circuits for motor current, voltage, speed, temperature
and other states, various hardware protection circuits, and communication circuits for data exchange with external control units
such as vehicle controllers and battery management systems. The control software implements corresponding control algorithms
based on the characteristics of different types of motors.
2. The driver converts the control signal of the microcontroller for the motor into the driving signal for the power converter,
and achieves isolation between the power signal and the control signal.
3. The PowerConverter module controls the motor current. The power devices commonly used in electric vehicles include
high-power transistors, gate turn off thyristors, power field-effect transistors, insulated gate bipolar transistors, and intelligent power modules.
2、 The working principle of the motor controller is that the motor drives the car forward, and the motor controller drives the
motor to work; The motor controller consists of an inverter and a controller; The inverter receives direct current energy from the
battery and converts it into three-phase alternating current to provide power to the car motor; The controller receives feedback signals such as motor speed to
the instrument. When braking or acceleration occurs, the controller controls the frequency of the frequency converter to increase
or decrease, thereby achieving the purpose of acceleration or deceleration.
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