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Woodward 8406-002

Product Overview

A microprocessor-based integrated controller for diesel and gas generator sets, combining engine speed control, generator voltage regulation, and system protection into a single unit. It supports automatic start/stop, synchronization, load sharing, and comprehensive fault protection for standalone or grid-parallel operation. The controller’s dual LCD displays provide clear, real-time monitoring of critical parameters, while its rugged design ensures reliable performance in harsh industrial environments.

Detailed content

Technical Specifications
  • Power Supply: 9–32 VDC (24 VDC nominal)
  • AC Voltage Input: 50–150 VAC PT input
  • Speed Input: Magnetic pickup (MPU) signal, 1–3 kHz
  • Analog Outputs: 2 channels (4–20 mA) for speed/voltage control
  • Relay Outputs: 8 programmable relays (250 VAC, 5 A)
  • Communication: Modbus RTU (RS-485), CAN bus
  • Display: Dual 2-line LCD displays with backlight
  • Operating Temperature: -20 °C to +70 °C
Functional Characteristics
  • All-in-one control: speed, voltage, synchronization, and protection
  • Automatic start/stop sequencing with configurable timers
  • Synchronization and load sharing for parallel generator operation
  • Comprehensive protection: over/under speed, over/under voltage, reverse power, overload
  • User-friendly interface with local parameter adjustment
  • Non-volatile memory for fault logging and parameter storage
Application Scenarios

Industrial standby power systems, commercial building emergency generators, marine power plants, agricultural irrigation pumps, and small-to-medium gas turbine generator sets.

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