Product Description: Woodward 5461-117 Digital Controller / Synchronizer

Product Model: 5461-117

Brand: Woodward

Product Type: Industrial-grade microprocessor controller, automatic synchronizer, main power module 

I. Product Overview

The Woodward 5461-117 is a high-performance digital control module of the 5461 series, specifically designed for steam turbines, gas turbines, engines, and three-phase AC generator sets. Its core functions include automatic synchronization, speed regulation, load control, and power supply management. As the core component of the 505 control system, it is widely used in key industrial fields such as power generation, oil and gas, ships, and petrochemicals, achieving high-precision and high-reliability automated control.

Core Positioning: Automatic synchronization of the unit + Closed-loop control of speed/load + System main power module

Design Standards: Industrial-grade wide temperature range, shock resistance, EMC protection, compliant with Class I, Division 2 hazardous area certification

Compatible Systems: Woodward 505/505E/505H, 723, NetCon, MicroNet, etc. Full series of control systems

II. Core Technical Parameters

1. Electrical Specifications

Power supply voltage: 24 VDC ±10%

Power consumption: Typical 8 W, maximum 12 W

Digital input (DI): 16 isolated discrete inputs (24 VDC)

Analog input (AI): 4 4–20 mA / 1–5 VDC selectable (accuracy ±0.05%)

Digital output (DO): 8 isolated relays / transistors outputs

Analog output (AO): 2 4–20 mA isolated outputs (drive load 0–750 Ω)

PWM output: Low current PWM drive signal (for actuators / electro-hydraulic converters)

Communication Interfaces:

RS-232 (programming / monitoring)

RS-422 (remote IO / upper computer)

Support Modbus RTU protocol

Control Cycle: 1 ms (high-speed closed-loop)

2. Mechanical and Environment

Size: 120 × 80 × 35 mm

Weight: Approximately 450 g

Installation Method: DIN rail / panel installation

Operating Temperature: -40°C ～ +85°C

Storage Temperature: -55°C ～ +90°C

Protection Grade: IP54 (panel)

Vibration / Shock Resistance: Compliant with MIL-STD-810G military standard

EMC Protection: IEC 61000-6-2/4, industrial-level anti-interference

3. Control Performance

Control Accuracy: Speed ±1 RPM; Load ±0.1%; Synchronization Phase Difference < 0.5°

Regulation Mode: No-difference speed regulation (constant speed), differential speed regulation (differential speed)

Synchronization Function: Automatic frequency, phase, voltage triple matching

Load Distribution: Parallel unit load distribution accuracy < 1%

Protection Functions: Overcurrent, overvoltage, overspeed, undervoltage, short circuit, phase reversal, out-of-step protection

III. Main Functional Characteristics

Dual-mode Control

Programming Mode: Configuration parameters, setting curves, protection thresholds, communication addresses

Operation Mode: Real-time closed-loop control, synchronization, load distribution, fault diagnosis

Fully automatic synchronous synchronization (core)

Real-time detection of grid frequency, voltage, phase

Automatic adjustment of unit speed and excitation to achieve synchronous grid connection

Support for automatic / manual synchronous modes

Speed and load control

Single / multiple unit constant speed / differential speed operation

Base load, island operation, grid-connected with base / differential mode

4–20 mA external setpoint signal control

Power supply management and drive

As the main power module of the system, it supplies power to the control system and peripheral I/O

Drive electro-hydraulic actuators, I/H converters, speed regulators, etc. for actuating mechanisms

Protection and Diagnosis

Multiple fault protection (overspeed, undervoltage, overcurrent, overload, out-of-step) 100 historical fault records + event logs

LED status indicator + remote monitoring

Compatibility

Compatible with Woodward electro-hydraulic actuators, 20/25 series speed regulators

Compatible with AVR, DCS, PLC and third-party control systems

IV. Typical application scenarios

Industrial power generation: Stand-alone power plants, cogeneration units synchronization and control

Oil and gas: Speed control of gas turbines / compressor stations, long-distance pipeline drive

Ships: Main propulsion steam turbines / generator sets control

Petrochemicals: Steam turbine drive pumps, fans, compressors

Power plants: Steam turbine DEH auxiliary control, small steam turbines speed regulation

V. Product advantages

High integration: Integrates synchronization, speed regulation, load control, and power supply management

High precision: ±0.05% measurement / control accuracy

High reliability: Wide temperature range, shock resistance, fanless design, MTBF > 500,000 hours

Strong adaptability: Hazardous area certification, maritime certification, industrial EMC standards

Easy maintenance: Local programming, remote diagnosis, parameter backup / restoration

VI. Model description

5461: Serial number (precision control module)

117: Hardware version / configuration code (24 VDC main power supply, 16DI/8DO, dual serial ports, dedicated synchronization)

VII. Ancillary equipment

Programming cable: RS-232 straight connection

Installation bracket: DIN rail snap-in

Terminal block: 24-pin industrial-grade connector

Software: Woodward ToolKit configuration software