5464-018 Woodward turbine controller
The 5464-018 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 5464-018
- 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:
- 5464-018 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:
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- Automatically switches control modes upon sensor failure to ensure uninterrupted system operation.
- Offers local/remote control priority selection to adapt to different operational scenarios.

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ADAS domain controllers typically require the connection of multiple cameras, millimeter wave radars, laser radars,
and other sensor devices. They need to have the ability to fuse multiple sensors, locate, plan paths, make decisions,
control wireless communication, and communicate at high speeds. They need to complete many functions, including image
recognition and sensor data processing. Therefore, they need to perform a large amount of computation. Domain controllers generally
need to be matched with a processor with strong core computing power, which can provide support for different levels of computing power
in autonomous driving. Currently, there are NVIDIA, Huawei, Renesas, etc. in the industry NXP、TI、Mobileye、 Multiple plans such as Xilinx and Horizon.
Autonomous driving technology is currently at the forefront of the global technology industry. The assisted driving technology and functions at the L1
to L2+level have become increasingly mature, and many car models equipped with ADAS functions and applications have begun to enter mass production
. It can be seen that the market penetration of L1/L2 level ADAS functions will increase rapidly, while L3/L4 level auto drive system is
still in the stage of small-scale prototype testing.
In today”s autonomous driving industry, the Chinese market is definitely the main force. This year, the carrying capacity of L2 in China is
expected to exceed 800000, with Chinese brands occupying the vast majority of the market share. The penetration rate of ADAS functions
in the future Chinese market will continue to rapidly increase, and the ADAS functions configured in mid to low end cars will gradually increase.
According to a research report by iResearch Consulting, it is expected that the penetration rate of ADAS functions in the passenger car market will
reach around 65% by 2025. The L3 level high-speed automatic navigation HWP function and L4 level AVP automatic parking function currently
have a low penetration rate in the vehicle model, and there is a lot of room for improvement in the future.
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: 5464-018 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).
- 5464-018 Weight: Approximately 9.11 pounds (4.13 kilograms).
IV. Application Scenarios
- Steam Turbine Control: 5464-018Suitable 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.
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