WOODWARD 5439-984 Product Detailed Description

Product Model: WOODWARD 5439-984

Brand: WOODWARD (Woodward)

Product Type: NetCon 5000 / MicroNet Series LinkNet FTM Controller Module / Precision Speed Controller

Generation Time: 2026-05-18 11:07:24

I. Product Overview

WOODWARD 5439-984 is a highly integrated and high-precision digital controller module, which is a core component of the NetCon 5000 control system. It is specifically designed for the speed, load, and process control of steam turbines, engines, generators, and pump-type equipment. It integrates high-speed computing, multi-loop regulation, signal conditioning and driving, and communication, and is a high-performance intelligent unit for implementing complex industrial control logic. 

II. Core Functional Characteristics

High Precision Control: Measurement accuracy up to ±0.01%, control cycle ≤ 5ms, achieving ultra-precise adjustment.

Multi-function Integration: Integrates speed control, load control, synchronization control, and electro-hydraulic drive.

Dual Mode Adjustment: Supports **uncontrolled speed adjustment (constant speed) and controlled speed adjustment (load distribution)** dual modes.

Multiple Protocol Communication: Built-in Modbus RTU/TCP, PROFIBUS DP, LinkNet, LON interfaces.

Rich I/O Configuration: 4 channels of AI, 3 channels of AO, 8 channels of DI, 3 channels of DO, all isolated programmable.

Electro-hydraulic Drive Capability: Directly outputs 0-250mA current, driving servo valves / proportional valves.

Adaptive Setting: Real-time parameter adaptation, dynamic optimization of control performance.

Full Protection Mechanism: Over-speed, over-current, short circuit, sensor failure, power loss all protection.

Hot Swap Design: Supports online maintenance, safe replacement during system operation.

Industrial Grade Reliability: -40°C ~ +85°C wide temperature range, IP20 protection, strong anti-vibration and anti-interference.

Field Programming: Supports handheld programmer / software online configuration, parameter setting, diagnosis.

III. Technical Specifications

1. Electrical Parameters

Power Supply: 24 VDC ±10%, power consumption ≤ 25W

Speed Input: 2 channels of differential magnetic resistance / pulse sensors, 1Hz ~ 100kHz

Analog Input: 4 channels of 4-20mA / 1-5V (16 bits, ±0.01% accuracy)

Analog Output: 3 channels of 4-20mA / 0-10V / 0-250mA (servo drive)

Digital I/O: 8 channels of DI (24VDC), 3 channels of DO (relay / transistor)

Communication Interface: LinkNet, LON, RS-485 (Modbus), Ethernet (Modbus TCP)

Control Cycle: 5ms (high-speed closed-loop)

Isolation Voltage: Input / Output / Power supply three-terminal isolation 2500V AC

Accuracy: Speed control ±1rpm, analog quantity ±0.01%

2. Physical and Environmental

Size (W×H×D): 229 mm × 178 mm × 45 mm

Weight: Approximately 1.0 kg

Installation: Standard NetCon/MicroNet rack slot

Operating Temperature: -40°C ~ +85°C

Storage Temperature: -55°C ~ +90°C

Humidity: 5% ~ 95% RH (no condensation)

Vibration Resistance: Complies with IEC 60068-2-6

Protection: IP20

3. Certification and Status

Certification: CE, UL, ATEX, SIL-2

Product Status: Active (In Service)

Alternative Models: 5439-966 (Electro-hydraulic Control Module), 5439-927 (Precision Control Module)

IV. Typical Application Scenarios

Steam Turbine Control: Independent 505 speed regulation, load control, synchronization grid connection, electro-hydraulic drive.

Gas Turbine Control: Speed adjustment, fuel valve control, anti-surge, sequence control.

Engine Speed Regulation: Diesel / gas engine constant speed, load distribution, parallel operation.

Generator Control: Speed regulation, voltage regulation, synchronization, load distribution, protection.

Pump / Compressor Control: Speed / pressure / flow closed-loop, anti-surge, interlock protection.

Industrial Processes: Petrochemicals, power, metallurgy, papermaking high-precision process control.

Ship Power: Marine steam turbine / engine main propulsion control system. V. System Configuration and Compatibility

1. Supporting Modules

Power Module: 5439-766 (Main Power Supply), 5439-929 (High Voltage Power Supply)

Rack: 5439-861 (12-slot Standard Rack)

I/O Module: 5437-xxx Series Analog/Digital Expansion Module

CPU Module: 5435-xxx (NetCon Main Controller)

2. Compatible Systems

Full Series of NetCon 5000 / MicroNet / MicroNet Plus

WOODWARD 505 / 505E Steam Turbine Controller

WOODWARD 723 / 723+ Digital Controller

Third-party DCS/PLC Systems (via Modbus/PROFIBUS)

VI. Quality and Service

Origin: USA (WOODWARD Original Factory)

Warranty: 12 Months

Service: System Configuration, Parameter Tuning, On-site Debugging, Fault Diagnosis, Technical Training