Product Description: Woodward 5462-518 Digital Speed Control Controller

Product Model: 5462-518

Brand: Woodward

Product Series: 500 Series

Product Type: Digital Microprocessor Speed Controller / Generator Set Synchronization Board

I. Product Overview

The Woodward 5462-518 is a high-performance, multi-functional standalone digital speed control and synchronization controller, designed specifically for industrial engines, gas turbines, steam turbines, and generator sets. It integrates speed control, load regulation, synchronization and grid connection, as well as protection functions. It can operate independently as the main controller or as an expansion unit for the 505/505E system to achieve precise speed/load control and multi-machine parallel operation.

Core Functions: Closed-loop speed control, load distribution, automatic synchronization, phase matching, overspeed protection

Target Users: Diesel / gas engines, steam turbines, gas turbines, three-phase AC generator sets

Product Form: Modular control board, standard rack installation

II. Core Technical Parameters

1. Electrical Specifications

Power Supply: 24 VDC (18–32 VDC)

Speed Input: MPU electromagnetic sensor signal (0.1Vrms–90Vrms)

Analog Input: 4–20 mA / 1–5 VDC external speed/load setting

Control Output: PWM actuator drive signal (maximum 2A)

Switching Quantity: 6 programmable DI, 3 relay DO

Communication Interface: Independent RS-232 & RS-422 dual serial ports

Isolation Voltage: I/O fully isolated 2500Vrms

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

Weight: Approximately 0.8 kg

Size: Approximately 177mm × 110mm × 50mm

3. Control Performance

Control Accuracy: ≤ ±0.05% rated speed

Regulation Mode: Constant speed (no difference), variable speed (different speed)

Synchronization Accuracy: Frequency difference ≤ ±0.01 Hz, phase difference ≤ ±1°

Speed Regulation Range: 50–15,000 rpm (programmable)

Response Time: ≤ 8 ms

Steady-State Fluctuation Rate: ≤ ±0.2%

III. Main Functional Characteristics

High Precision Speed and Load Control

Using 32-bit floating-point DSP, achieve sub-speed level precise control.

Supports dual modes of no difference / difference regulation, suitable for single machine constant speed or multi-machine parallel operation.

Built-in load distribution algorithm ensures equal power distribution among multiple units, stable and reliable.

Fully Automatic Synchronization and Grid Connection

Integrated automatic synchronizer function, automatically detects grid frequency, phase, and voltage.

Real-time adjustment of generator speed to achieve precise phase matching and seamless grid connection without impact.

Synchronization process is fully automatic, no need for manual intervention, significantly improving grid connection efficiency.

Comprehensive Protection and Diagnosis

Hardware + software dual redundant overspeed protection, overspeed immediately triggers emergency shutdown.

Real-time sensor/actuator fault diagnosis, open circuit, short circuit automatically alarms.

Output overcurrent / short circuit protection, effectively protects the actuator and module safety.

Flexible Communication and Expansion

Equipped with two independent serial ports (RS-232/RS-422), supports remote monitoring and parameter configuration.

Compatible with Woodward's full range of controllers (505/505E/517, etc.), seamless integration.

Supports connection to upper computer / PLC/DCS system for remote monitoring and data collection.

Industrial-grade high reliability design Wide temperature range, high vibration resistance, fanless design, suitable for harsh environments such as power plants, petrochemical plants, and offshore platforms.

Fully isolated I/O design, highly resistant to industrial electromagnetic interference (EMI/EMC).

Parameters are permanently stored and not lost even when power is off, no battery maintenance required.

Four. Typical application scenarios

Diesel / gas generator sets: single machine constant speed control, multi-machine parallel load distribution, automatic synchronous grid connection

Steam / gas turbine: 505/505E system expansion, independent speed control, synchronous grid connection

Industrial engine drive: precise speed / load control for pumps, compressors, fans

Ship power station: automatic paralleling of ship generator sets, load distribution, frequency stability control

Upgrade of old systems: replace analog speed regulators, upgrade to digital control to improve accuracy and reliability

Five. Product advantages

Superb functionality: speed control + load control + synchronous grid connection + protection + communication in one module, complete control achieved with a single module.

Precise synchronization: 0.01Hz synchronization accuracy, achieve impact-free grid connection, protect equipment.

Stable control: adaptive PID + dynamic load distribution, stable operation without fluctuations in multi-machine parallel operation.

Strong communication: dual serial port design, flexible connection to various control systems.

Reliable and durable: industrial-grade wide temperature design, MTBF > 400,000 hours, long-term stable operation.

Six. Model code interpretation

5462: Woodward 500 series control module base number

518: Speed control + synchronous grid connection + dual serial port controller (24VDC, MPU input, PWM drive, RS-232/422, wide temperature, automatic synchronization)

Seven. Standard packaging list

5462-518 controller main unit 1 piece

Installation bracket and fixing screws

Product certificate and warranty card

Terminal blocks and labels

User manual (English / Chinese)

Configuration software and communication cables