Product Description: Woodward 5462-472 Digital Control Module

Product Model: 5462-472

Brand: Woodward

Product Series: 500 Series

Product Type: Digital Microprocessor Control Module / 505 Controller Expansion Module

I. Product Overview

The Woodward 5462-472 is a high-performance expansion function module specifically designed for the 505/505E digital speed control system. It is mainly used to enhance the power management, signal distribution, and actuator driving capabilities of the main controller. As a complementary unit of the 505 controller, it provides stable auxiliary power, multiple signal isolation, and power amplification, and is a key component for building a highly reliable steam turbine / engine electro-hydraulic control system.

Core Functions: Auxiliary Power Distribution, Signal Isolation, Actuator Driving, Status Monitoring

Target Users: 505/505E Speed Regulators, Steam Turbines, Gas Turbines, Engine Electro-hydraulic Actuation Systems

Product Form: Modular Circuit Board, Standard Rack Installation

II. Core Technical Parameters

1. Electrical Specifications

Main Power Input: 24 VDC (18–32 VDC)

Auxiliary Power Output: Multiple Isolated 24VDC / 12VDC, Total Current 5A

Signal Input: 505 Controller PWM / Analog Signals (4–20mA / 0–10V)

Drive Output: Dual High-Power Actuator Drive (±10V / 0–2A)

Feedback Interface: LVDT/RVDT Position Signal Input

Isolation Voltage: Input / Output / Power 2500Vrms Electrical Isolation

Protection Features: Overcurrent, Short Circuit, Reverse Connection, Overtemperature, Surge Protection

2. Mechanical and Environmental

Operating Temperature: -40°C ～ +85°C

Protection Grade: IP20

Installation Method: 19-inch Standard Rack

Size: 125mm × 85mm × 40mm

Weight: Approximately 0.55 kg

3. Performance Indicators

Response Time: ≤ 1.5 ms

Linearity: ≤ ±0.08% F.S.

Signal Bandwidth: 0–150 Hz

Zero Position Temperature Drift: ≤ ±0.04% F.S./°C

MTBF: > 500,000 Hours

III. Main Functional Characteristics

Enhanced Power Management

Provides multiple isolated regulated power supplies to power the 505 controller, sensors, and actuators.

Active Power Filtering to suppress industrial grid interference and ensure the stability of the control system.

Power Redundancy and Power Failure Retention, Key Parameters Not Lost During Power Failure.

High-Performance Signal Processing

Receives control signals from the 505 controller, amplifies them, and drives electro-hydraulic actuators.

Supports Position Closed-loop Control, Accesses LVDT/RVDT Feedback, Achieving Precise Positioning.

Full Differential Signal Processing, Strong Anti-interference, Suitable for Complex Industrial Electromagnetic Environments.

Comprehensive Protection and Diagnosis

Hardware-level Overcurrent / Short Circuit Protection, Automatic Current Limiting, Protecting Actuators and Module.

Real-time Status Monitoring: Power, Signal, Temperature, Fault LED Indicators.

Fault Signal Output, Can Link to the Main Controller for Safe Shutdown.

Industrial-grade Reliable Design

Wide Temperature, High Resistance, Long-Life Components, Suitable for Power Plants, Petrochemicals, Offshore Platforms.

No Fan, No Contacts, Maintenance-Free Operation.

Plug-and-Play, Perfectly Compatible with the Full Series of 505/505E Controllers.

IV. Typical Application Scenarios

505 Speed Control System Expansion: 505 Controller → 5462-472 → High-Power Electro-hydraulic Actuator

Multi-Actuator Control: Single 505 Controller Drives Two Actuators (Main Steam Valve + Regulating Steam Valve) Long-distance signal transmission: Signal isolation amplification, long-distance driving of actuators

Renovation of old systems: Upgrade 505 system, enhance driving capability and reliability

Application in hazardous areas: Combined with intrinsically safe sensors, used in Class I, Div. 2 hazardous areas

V. Product advantages

Specialized function: 505 controller exclusive expansion, power supply + drive + signal integration.

Strong drive: 2A high current output, directly drives various large-power electro-hydraulic actuators.

Stable and reliable: Full isolation + multiple levels of protection, long-term stable operation in industrial environment.

Seamless compatibility: Plug-and-play, perfectly compatible with 505/505E speed control system.

Installation convenient: Standard rack, simple wiring, easy maintenance.

VI. Model code interpretation

5462: Woodward 500 series control module base series number

472: 505 controller dedicated expansion module (24VDC, dual drive, multiple isolated power supplies, wide temperature range, high power)

VII. Standard packaging list

5462-472 control module 1 piece

Installation bracket and fixing screws

Product certificate and warranty card

Terminal blocks and labels

User manual (English / Chinese)