5466-329 Woodward ProTech 203

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Product basic information
Manufacturer: Woodward
Model: 5466-329
Belonging to the famous 505 series
Supports multiple communication protocols and can be smoothly integrated with the existing control system of the factory
Core application: Designed specifically for speed control and protection of steam turbines
5466-329 controller has stable performance and high reliability

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5466-329 Woodward ProTech 203

The 5466-329 is a microprocessor-based digital governor controller produced by Woodward, belonging to its classic 505 series.
It is primarily designed for speed control and protection of steam turbines. Below is a detailed introduction to this product:

I. Product Overview

Brand and Model: Woodward 5466-329
Series: 505 Series Digital Governor
Type: Microprocessor-based controller
Purpose: Specifically designed for steam turbines to control their speed and provide overspeed protection.

II. Core Functions

Speed Control:
- 5466-329 Precisely controls the speed of steam turbines by adjusting steam inlet flow.
- Supports single-range or split-range actuators to accommodate turbines of different sizes.
Overspeed Protection:
- Incorporates triple independent overspeed protection logic to ensure rapid shutdown in case of overspeed, preventing equipment damage.
- Provides an overspeed test button for convenient on-site testing of protection functions.
Emergency Shutdown:
- Equipped with an emergency stop button for immediate shutdown in emergency situations.
System Protection:
- - Automatically switches control modes upon sensor failure to ensure uninterrupted system operation.
  - Offers local/remote control priority selection to adapt to different operational scenarios.

receiver:

The receiver can adopt a larger number of digital integrated circuits. Of course, the closer the digital circuit of the receiver is to the antenna, the more it can leverage the advantages

of reception. Therefore, some people believe that an analog-to-digital converter can be placed at the output of the RF system for direct RF sampling. This design may seem desirable, but it raises another issue that we have to consider.

In order to suppress unwanted out of band signals in advance and meet the frequency range required by the analog-to-digital converter, the received signal must be

filtered and undergo automatic gain control before being input into the analog-to-digital converter. Therefore, many digital receivers adopt a compromise approach,

first converting the analog signal into a digital signal through the first and second frequency stages at the output end, so that the out of band signal is filtered before

entering the analog-to-digital converter, and also ensuring that some signals are automatically gain controlled in the analog stage before entering the analog-to-digital converter,

in order to avoid the in band signal from driving the analog-to-digital converter as much as possible, so that the signal can reach the maximum signal

gain before undergoing analog-to-digital conversion. In addition, if we adopt intermediate frequency sampling and digital reception technology, there is no need to add additional intermediate frequency stages such as mixers,

filters, and amplifiers, which helps reduce costs. Moreover, if system design engineers use programmable digital filters instead of fixed analog filters, they can fully utilize the flexibility in design.

Device:

Texas Instruments (TI) recently announced the launch of a 4A high-speed synchronous driver TPS28225 for N-channel complementary drive power MOSFETs. This 2MHz driver simplifies

power supply design for high current single-phase and multi-phase applications, such as voltage regulator module (VRM) design, laptops, isolated power supplies with secondary synchronous rectifiers, and DC/DC converters that require high efficiency.

TI”s TPS28225 driver controls the MOSFET gate with a voltage range of 4.5V to 8.8V, achieving high efficiency and low electromagnetic interference (EMI). The device efficiency

reaches its maximum when the current per phase exceeds 40A in the voltage range of 7V to 8V. TPS28225 has implemented 14ns adaptive dead time control, 14ns transmission delay time,

2A high current power supply, and 4A suction drive function. Other features of the driver include low impedance suction (typical value of 0.4 ohms) and source current (typical value of 1 ohm) functionality;

Acceptable a wide range of voltage input signals (3V to 24V range); Single pin supports Space saving (input) and PowerGood (output) signals;

The unique input level is compatible with all industry standard analog and digital controllers; Provide intelligent management functions for narrow duty cycle signals.

III. Technical Specifications

Power Supply: 18-32 VDC, supporting 24VDC input.
Display: Two-line x 24-character LED display for clear indication of operating status and parameters.
Enclosure: NEMA 4X or IEC 60529 IP56 rated for protection against harsh industrial environments.
Inputs/Outputs:
- Inputs: 6 programmable current inputs, 16 discrete contact inputs.
- Outputs: 2 actuator outputs, 8 relay outputs, 6 programmable current outputs.
Communication Interfaces: 5466-329 Supports RS-232, RS-422, and RS-485 hardware interfaces for easy integration with host computers or other devices.
Software: Equipped with OpView™ and 505View software for parameter configuration, monitoring, and fault diagnosis.
Operating Temperature: -20 to +60°C (some models support -4 to +140°F).
Storage Temperature: -40 to +85°C (some models support -40 to +185°F).
5466-329 Weight: Approximately 9.11 pounds (4.13 kilograms).

IV. Application Scenarios

Steam Turbine Control: 5466-329Suitable for steam turbines of various sizes, including industrial steam turbines, small grid turbo-generators, and turboexpanders.
Single Extraction and Admission Applications: Designed for operating steam turbines in single extraction and/or admission applications.
On-Site Programming: Allows on-site operators to program and adjust parameters through an integrated operator control panel, adapting to different operating conditions.

V. Product Advantages

High Reliability:
- Microprocessor-based design ensures precise control and stability.
- Triple independent overspeed protection logic provides multiple layers of safety.
Flexibility:
- Supports various actuator and sensor configurations to accommodate different turbine models.
- Offers a rich set of input/output interfaces for easy system expansion and integration.
Ease of Use:
- Two-line x 24-character LED display provides an intuitive operating interface.
- A 30-key multifunctional keyboard simplifies parameter configuration and operation.
Compatibility:
- Supports multiple communication protocols for easy integration with DCS, PLC, and other systems.
- Provides OpView™ and 505View software for remote monitoring and fault diagnosis.