The Woodward 8280-301 is a specific part configuration of the 721 Digital Control series. This system is a powerful, configurable controller designed for industrial and marine applications, such as managing reciprocating engines in power generation or propulsion systems. It provides advanced speed sensing, torsional filtering, and load sharing capabilities to ensure stable, reliable performance in complex environments. You can learn more about these industrial control solutions at https://www.dcsplcsystem.com.

📋 Technical Specifications

• Model Number: 8280-301 (721 Digital Control)
• Application: Engine speed and load control (Diesel/Gas engines)
• Core Features: Torsional filtering, load sharing, configurable I/O, and fuel limiting
• Mounting: Panel/Chassis mount
• Typical Weight: Approximately 2.0 kg – 2.5 kg
• Country of Origin: United States
• Power Requirements: 18–40 Vdc or 88–132 Vac (depending on specific revision)
• Operating Temp: -40°C to +70°C (-40°F to +158°F)

💡 Frequently Asked Questions (Q&A)

❓ What is the primary function of the 721 Digital Control?

The 721 series is designed to govern reciprocating engines. It manages engine speed and load, filters out torsional vibrations for improved stability, and allows for automatic load sharing between multiple engines driving a common load.

❓ Is the 8280-301 still in production?

Many units in the 721 series are considered legacy or obsolete. It is common to find these components sourced through industrial surplus, decommissioning specialists, or secondary market suppliers.

❓ How are adjustments made to the 721 control?

Adjustments are typically made using a Woodward Hand Held Programmer or a standard ASCII character computer terminal connected via an RS-422 serial port. These tools allow access to configuration menus for dynamics, speed settings, and limiters.

❓ What should I consider when sourcing a used unit?

Since these are critical control components often used in demanding environments, verify the unit’s revision level (e.g., Rev B, Rev F), confirm the voltage input range matches your system requirements, and check if the unit has been tested or refurbished.

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