5464-213 WOODWARD Debugger unit

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Product basic information
Manufacturer: Woodward
Model: 5464-213
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
5464-213 controller has stable performance and high reliability

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5464-213 WOODWARD Debugger unit

The 5464-213 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 5464-213
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:
- 5464-213 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.

Composition of DMA Controller
A DMA controller is actually an interface circuit between peripheral devices using DMA and the system bus. This interface circuit is

composed of an interrupt interface and a DMA mechanism. Traditionally, DMA interface circuits are referred to as DMA controllers.

Composition of DMA Controller
(1) Memory address counter: used to store the address of data to be exchanged in memory. Before DMA transfer, the starting position

(first address) of data in memory must be sent to the memory address counter through a program. When DMA transfers, for each data exchange,

the address counter is incremented by “1” to incrementally provide the address of the batch of data to be exchanged in memory.

(2) Word counter: used to record the length (number of words) of the transmitted data block. Its content is also pre-set by the program before

data transmission, and the number of exchanged words is usually represented in the form of complement codes. During

DMA transfer, the word counter increments by “1” for each word transferred. When the counter overflows and a carry is generated at the highest bit,

it indicates that the batch of data has been transferred, causing the DMA controller to issue an interrupt signal to the CPU.

(3) Data buffer register: used to temporarily store the data (one word) transferred each time. When input, it is sent to the data buffer register by the device

(such as a disk), and then sent to the memory through the data bus by the buffer register. On the contrary, when outputting, it is sent from memory to the

data buffer register through the data bus, and then to the device.

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: 5464-213 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).
5464-213 Weight: Approximately 9.11 pounds (4.13 kilograms).

IV. Application Scenarios

Steam Turbine Control: 5464-213Suitable 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.