5403-536
May 18, 2026

5403-536

WOODWARD 5403‑536 is a high‑performance digital controller of the 505 series, designed for advanced speed, load and turbine control in single or dual‑actuator steam turbines, offering enhanced I/O flexibility, expanded communication options and comprehensive fault protection compared to standard models. It provides precise regulation, robust diagnostics, and seamless integration with DCS and actuator systems, making it suitable for power generation, petrochemical and industrial turbine applications requiring higher control complexity and reliability.

Description

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WOODWARD 5403-536

505 Digital Turbine Controller English Specification

General Description

WOODWARD 5403-536 is an upgraded version of 505 series digital governor controller, professionally applied to single and dual actuator steam turbines. It achieves high-precision speed governing, load distribution, valve control and auxiliary parameter monitoring functions, comes with abundant configurable analog and discrete I/O points, supports Modbus RTU and CAN bus communication protocols, integrates perfect overspeed trip protection, fault self-diagnosis and abnormal state alarm functions. With excellent anti-interference performance and wide temperature adaptability, this controller can be matched with various electro-hydraulic actuators, widely used in power station generator sets, petrochemical industry steam turbine drive equipment and other industrial occasions to ensure stable, safe and efficient operation of turbine units.

Main Features

  1. High control accuracy, stable isochronous speed regulation and droop load control mode

  2. Rich built-in analog input/output and switch input/output resources, flexible signal matching

  3. Multiple communication interfaces, easy to realize data interconnection with DCS system

  4. Independent overspeed protection logic, reliable emergency trip function

  5. Complete fault diagnosis function, convenient for on-site maintenance and troubleshooting

  6. Industrial standard design, strong vibration resistance and long service life

  7. Support parameter offline configuration and online real-time monitoring

Technical Parameters

  • Model: 5403-536

  • Rated power supply: 24VDC

  • Working temperature: -40℃ ~ +70℃

  • Signal type: 4-20mA analog signal, 24VDC switch signal

  • Communication protocol: Modbus RTU, CAN

  • Installation mode: Cabinet panel mounting

  • Applicable equipment: All kinds of industrial steam turbines

Application Scope

It is mainly used for automatic speed regulation, load control and safety protection of industrial steam turbines, generator set steam turbines, compressor driving steam turbines and other turbine power equipment in electric power, petroleum, chemical industry, metallurgy and other industries.


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