Product Description: Woodward 5462-117 Digital Speed Controller

Product Model: 5462-117

Brand: Woodward

Product Series: 500 Series Industrial Controller

I. Product Overview

The Woodward 5462-117 is a high-performance microprocessor control module designed specifically for the speed, load control, and synchronous grid connection of industrial turbines, engines, and generator sets. It integrates high-precision speed control, synchronous control, load distribution, and comprehensive protection functions, serving as the core control unit for cogeneration, power drive, and backup power generation systems.

Core Functions: Speed control, load control, automatic synchronous grid connection, load distribution, safety protection

Applicable Objects: Steam turbines, gas turbines, diesel engines, gas engines, and generator sets

Product Form: Standard modular controller, rail / rack-mounted installation 

II. Core Technical Parameters

1. Electrical Specifications

Power Supply: 24 VDC (18–32 VDC)

Speed Input: Dual redundant MPU electromagnetic sensors (differential input)

Analog Input: 4–20 mA / 1–5 VDC (remote speed / load setpoint)

Control Output:

Low current PWM signal (drive electro-hydraulic actuator)

Multi-channel relay output (alarm, shutdown, status indication)

4–20 mA analog feedback

Communication Interface: Dual independent serial ports (RS-232 + RS-422), supporting Modbus RTU

Safety Level: Hardware-level overspeed protection, compliant with SIL2 safety standard

2. Mechanical and Environmental

Operating Temperature: -40°C ～ +70°C

Protection Grade: IP20 (cabinet installation)

Installation Method: 35mm DIN rail / 19-inch standard rack

Anti-vibration / shock: Compliant with MIL-STD-810 military standard

Weight: Approximately 0.7 kg

3. Control Performance

Control Modes:

Speed Control

Load Control

Synchronizing

Isochronous / Droop

Speed Regulation Accuracy: ≤ ±0.02%

Synchronous Response: Automatic frequency, phase, voltage matching, grid connection time < 5 seconds

Protection Functions:

Overspeed Protection (103% / 110% rated speed)

Sensor Fault, Actuator Fault, Power Fault Diagnosis

Overcurrent, Short Circuit, Reverse Connection, Overvoltage, Undervoltage Full Electrical Protection

III. Main Functional Characteristics

Multi-mode High Precision Control

Supports three core control modes of speed, load, and synchronizing, suitable for single-unit operation, parallel grid connection, etc., in all operating conditions.

Dual modes of no-difference / difference regulation, meeting the requirements of isolated grid stable operation or multi-unit parallel load distribution.

Automatic avoidance of critical speed, protecting the shaft system safety.

Full automatic synchronous grid connection

Built-in microprocessor synchronizer, automatically detects grid frequency, phase, and voltage.

Automatic adjustment of generator speed and voltage to achieve impact-free, one-click grid connection.

Supports automatic load distribution to ensure load balance when multiple units are connected in parallel.

Industrial-grade reliable design

Wide temperature range, high vibration resistance, full signal isolation, suitable for harsh environments such as power plants, petrochemicals, and offshore platforms.

Hardware independent overspeed protection, not dependent on software, response time < 10ms.

Real-time self-diagnosis, status monitoring, fault recording, facilitating rapid maintenance.

Flexible communication and integration

Dual serial ports (RS-232/422) + Modbus, seamless integration into DCS/PLC/SCADA systems.

Standard analog/digital I/O, compatible with Woodward and third-party electro-hydraulic actuators.

Local keypad panel + Toolkit software, supports local / remote dual-mode debugging.

IV. Typical Application Scenarios

Industrial cogeneration: Turbine / engine drives generator, synchronous grid connection, load control

Standby / emergency power generation: Diesel / gas generator sets, automatic startup, speed regulation, parallel operation

Turbine-driven equipment: Speed and load control of compressors, pumps, fans

Multi-unit parallel power station: Synchronous, load distribution, stable grid connection operation

Renovation of old units: Replace traditional mechanical speed regulators to achieve digital and automated upgrade

V. Product Advantages

All-in-one Control: Speed + Synchronization + Load Distribution, single module solves the entire process control.

Safety First: SIL2 hardware-level protection, redundant key signals, meeting the highest industrial safety standards. Precise and stable: Microsecond-level control cycle, speed regulation accuracy reaches ±0.02%, and grid connection without impact.

Easy integration: Dual serial ports + standard signals, compatible with various industrial control systems, plug-and-play.

Easy maintenance: Full diagnosis + data recording, high maintenance efficiency, significantly reducing downtime.

VI. Model Code Interpretation

5462: Woodworth 500 series controller base model number

117: Hardware configuration code (24VDC, dual serial ports, synchronous grid connection function, PWM output, SIL2 safety level, industrial-grade wide temperature range)

VII. Standard Accessories

Speed sensor: Dual-channel MPU electromagnetic speed probe

Connection cable: Shielded signal cable, communication cable

Software tools: Woodward ToolKit configuration and debugging software

Installation accessories: Guide rails / rack installation bracket, fixing screws