Product Description: Woodward 5461-768 2301A Speed Controller

Product Model: 5461-768

Brand: Woodward

Product Type: 2301A Series Digital Speed Controller 

I. Product Overview

The Woodward 5461-768 is a dedicated speed control module based on a microprocessor, belonging to the classic 2301A control series. It is specifically designed for prime movers such as diesel engines, gas engines, steam turbines, and gas turbines, providing precise speed regulation and load control. It is the core control unit for industrial engines and generator sets to achieve stable and efficient operation.

Core Function: Prime mover speed control, generator set speed regulation, load regulation

Compatible Series: Woodward 2301A / 2301D control system

Product Form: Modular card, standard rack / panel installation

II. Core Technical Parameters

1. Electrical Specifications

Power Supply: 24 VDC (18–32 VDC)

Control Output:

PWM signal output (direct drive actuator)

Output Accuracy: ≤ ±0.25% F.S.

Response Time: < 1 ms

Signal Input:

Speed feedback: MPU electromagnetic sensor signal

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

Switching: Start, stop, reset, idle, operation allowed

Communication Interface: RS-485

Electrical Isolation: Input / Output / Power Three-Port Full Isolation

Safety Certification: Class I, Div 2 Explosion-proof Certification

2. Mechanical and Environmental

Operating Temperature: -40°C ～ +85°C (Industrial-grade wide temperature)

Protection Grade: IP65

Installation Method: Standard 19-inch chassis / panel installation

Anti-vibration / Shock: Compliant with MIL-STD-810F Military Standard

Weight: Approximately 0.8 kg

3. Control Performance

Control Modes:

Uncontrolled Speed Regulation (ISO): Single machine constant speed operation

Differential Speed Regulation (Droop): Parallel / Grid load distribution

Speed Control Accuracy: ≤ ±0.01%

Regulation Algorithm: PID Closed-loop Regulation

Protection Functions:

Over-speed Protection (Overspeed Trip)

Under-speed, Sensor Fault, Actuator Fault Diagnosis

Overcurrent, Short Circuit, Power Reverse Connection Protection

III. Main Functional Characteristics

Professional Prime Mover Control

Suitable for various prime movers such as diesel engines, gas engines, steam turbines, and gas turbines.

One-key switch between uncontrolled / differential modes, suitable for single machine / parallel operation in all conditions.

Direct drive electronic actuator, no need for external amplifier.

High Precision and High Dynamic Response

32-bit processor, millisecond-level response, precise and stable speed control.

Adaptive PID algorithm, excellent dynamic adjustment performance.

Wide power supply voltage range, adaptable to complex industrial power grids.

Highly reliable industrial design

-40°C ~ +85°C wide temperature, IP65 protection, full isolation anti-interference.

Hardware-level fault protection, real-time self-diagnosis and alarm.

Parameter power-off retention, no disturbance recovery upon power-on.

Flexible integration and maintenance

Standard RS-485 interface, supports Modbus communication.

Compatible with Woodward's full series of actuators and sensors.

Supports programming, monitoring, and debugging through Woodward ToolKit software.

IV. Typical Application Scenarios

Diesel / Gas Generator Sets: Single machine constant speed, multi-machine parallel, grid power generation

Industrial Engines: Drive pumps, compressors, fans, crushers

Ship Power: Main propulsion engine, marine generator set

Oil / Chemical: Gas engine drives compressors, pump sets

Standby Power: Automatic speed regulation and protection for emergency generator sets

V. Product Advantages

Professional Level: 2301A series orthodox, benchmark in the field of engine control

High Precision: 0.01% speed accuracy, precise and stable control High reliability: wide temperature range, high protection, full isolation, long lifespan design

Easy integration: standard interfaces, plug-and-play, compatible with various prime movers

Easy maintenance: remote programming, fault diagnosis, convenient parameter backup

VI. Model Number Interpretation

5461: Woodworth Industrial Control Module Serial Number

768: Hardware Configuration Code (2301A Speed Controller, Engine/Turbine General, PWM Output, RS-485, 24VDC, wide temperature range, IP65, explosion-proof)

VII. Standard Accessories

Speed sensor: MPU Electromagnetic Speed Probe

Actuator: Woodworth Electronic Actuator (such as ProAct Series)

Connection cable: Shielded Signal Cable, Communication Cable

Software tools: Woodward ToolKit Configuration and Debugging Software Woodward 

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