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Woodward 9905-971

Product Brief Introduction

This module is original US Woodward Fort Collins factory manufactured field digital signal acquisition unit under LINKnet I/O product lineup, designed as intermediate signal conversion interface between field on-site switching devices and upper MicroNet Plus main control unit. The product collects dry contact switch signal or 0~24VDC discrete voltage signal from on-site limit switches, emergency stop buttons, auxiliary relay contacts and equipment status feedback sensors, converts acquired field binary state data into standardized LINKnet bus protocol data frame, and uploads real-time data to host controller via onboard RS485 communication circuit.
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Woodward 9905-973

Product Name

  • Full Official Product Name: Woodward 9905-973 LinkNet 8-Channel Isolated Relay Output Module
  • Fixed Unique Part Number: 9905-973
  • Registered Manufacturer: Woodward Inc., United States Original Production
  • Product Classification: DIN Rail Mounted LinkNet Bus Digital Relay Output Module belonging to Woodward 9905 Series, specially designed for MicroNet Plus turbine & genset distributed control system discrete signal output control
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Woodward 9907-028

Product Name

  • Full Official Product Name: Woodward 9907-028 SPM-A Analog Speed & Phase Synchronizer Module
  • Short Product Alias: SPM-A Generator Phase Synchronization Controller
  • Manufacturer Registered Brand: Woodward (United States Woodward Governor Group)
  • Fixed Core Part Code: 9907-028
  • Core Product Definition: Non-Voltage-Matching Type SPM-A Series Synchronizer Unit
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Woodward 9907-029

Product Brief Introduction

This product is original US Woodward factory-manufactured dedicated generator grid-parallel synchronization controller, core auxiliary matching component for 2301A/2301/EPG series engine speed governors. The module continuously collects generator side PT voltage signal and busbar grid PT voltage signal, automatically identifies frequency deviation, voltage difference and phase angle offset between incoming generator and live bus; outputs adjustable bias control signal to prime mover speed governor and generator AVR voltage regulator to modify engine rotating speed and generator output voltage, fulfills precise phase locking and bumpless breaker closing for generator paralleling into grid or multi-generator busbar parallel operation.
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Woodward 9907-1290

Product Name

  • Full Official Designation: Woodward 9907-1290 ProAct Model II Digital Prime Mover Speed & Load Controller
  • Short Model Code: 9907-1290
  • Product Classification: Microprocessor-based digital governor controller belonging to Woodward ProAct Model II Full Digital Control Product Line
  • Brand Origin: Woodward Inc., United States, Engine & Turbine Control Division
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Woodward 9907-149 ProTech 203 De-energize-to-Trip Electronic Overspeed Protection System

Key Features

  • Triple - Channel Redundancy: Three fully independent speed - sensing units, each with its own power supply, MPU interface, and trip relay, ensuring no single - point failure disables protection.
  • 2 - out - of - 3 Voting Logic: Trip relay activation requires agreement from at least two units, balancing safety and avoiding false trips from a single faulty unit.
  • De - energize - to - Trip Safety: Default safety configuration where power loss triggers the trip relay, minimizing risk of failed trip during power outages.
  • On - line Maintainability: Modular design allows hot - swapping of a single failed unit without shutting down the prime mover, reducing downtime.
  • Real - time Monitoring & Diagnostics: Front - panel LCDs display speed from each MPU, the highest speed reading, and system status; LEDs indicate power, MPU health, and trip conditions.
  • Configurable Protection Parameters: Programmable overspeed setpoints, MPU fault timeouts, MPU fault setpoints, and gear tooth counts to match specific machinery requirements.
  • On - line Testing Capability: Supports overspeed test mode without triggering actual turbine trips, enabling verification of system functionality during operation.
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Woodward 9907-164 505 Digital Governor Controller

Key Features

  • Precision Speed Regulation: Maintains ±0.1% steady-state speed accuracy across load changes to ensure stable turbine/generator output.
  • Split-Range Actuator Support: Drives 1–2 steam inlet valves via dual actuator outputs for single or split-stage steam admission control.
  • Integrated Operator Control Panel: 2-line LED display + 30-key keypad enables local parameter setup, status monitoring, and overspeed test initiation.
  • Critical Speed Avoidance: Automatically skips user-defined critical speed bands during startup/shutdown to prevent turbine resonance damage.
  • First-Out Trip Indication: Logs and displays the root cause of shutdowns (overspeed, low oil pressure, high temperature) for rapid troubleshooting.
  • Modbus Communication: RS-232/RS-422 ports support remote configuration, data logging, and SCADA integration via 505View software.
  • Auto Start/Stop Sequencing: Executes preprogrammed start/stop logic with warm-up delays and load ramp rates to optimize turbine life.
  • IP56 Enclosure: Protects against dust and water ingress for reliable operation in petrochemical/refinery environments.
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Woodward 9907-83

Product Name

  • Full Official Product Name: Woodward 9907-838 PWM-Type Generator Load Sharing Module (LSM)
  • Fixed Unique OEM Part Number: 9907-838
  • Registered Manufacturer: Woodward Inc., United States original factory production
  • Product Classification: Special paralleling load-sharing control module belonging to Woodward 9907 series, dedicated for multi-unit genset parallel operation matching Caterpillar PWM digital speed governor and Woodward synchronous control equipment
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Woodward E309-1583 ECL02

Key Features

  • Dual Load Sharing Modes: Supports isochronous (fixed frequency) and droop (proportional kW sharing) to match grid/isolated system requirements.
  • PWM Speed Reference Output: Delivers precise duty‑cycle signals to adjust engine speed controls for real‑time load balancing across paralleled gensets.
  • 3‑Phase PT/CT Sensing: Measures true RMS voltage/current to calculate real power (kW) with ±0.5% accuracy for precise load distribution.
  • Surge & Polarity Protection: Guards PT/CT inputs and power supply against transients and reverse wiring to prevent board damage.
  • UL/CE Compliance: Validated for global industrial use, including harsh environments in power generation and oil/gas sectors.
  • Plug‑and‑Play Integration: Direct replacement for ECL01 boards in 9907‑838 modules; no additional wiring for retrofits.
  • Broad Frequency Compatibility: Operates with 50–400 Hz gensets for marine, industrial, and emergency power applications.
  • Low Power Consumption: 5 W @ 25°C minimizes heat generation for extended component life in sealed enclosures.
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WOODWARD EASYGEN 3500-5

Product Name: Woodward Easygen-3500-5 Genset Controller
Product Introduction: The Easygen-3500-5 is a microprocessor-based digital controller for diesel, gas, and dual-fuel generator sets, integrating engine management, generator control, and paralleling functions in a single unit with a 7-inch color touchscreen.
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Woodward EASYGEN-3200 8440-2052H Controller

Technical Specifications:

  • Operating Voltage: 12 or 24 Vdc (engine start battery)
  • Power Consumption: Typically less than 6 watts
  • Operating Temperature: -25°C to +70°C
  • Storage Temperature: -40°C to +85°C
  • Humidity Range: Up to 95% relative humidity, non-condensing
  • Dimensions: Approx. 230 mm x 170 mm x 80 mm (WxHxD)
  • Weight: Around 1 kg
  • Communication Protocols: Modbus RTU, J1939
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Woodward easYgen-3500 8440-1936

Product Name:​ Woodward easYgen-3500-1A/P2 Genset Controller, Part No. 8440-1936
Product Introduction:​ Advanced microprocessor-based genset control and protection device for single or multi-unit paralleling (up to 32 units), base-load, peak-shaving, and mains import/export control with integrated graphic LCD and keypad.
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