Description
The Woodward 8280-423 is a low-voltage dual engine marine load-sharing model produced as part of the 723PLUS Digital Control Standard Applications series. It is engineered specifically to control and manage reciprocating engines utilized in marine propulsion, ensuring precise speed governance and synchronized load balancing across twin-engine configurations.
📋 Technical Specifications
- 🌍 Origin Country: United States
- ⚖️ Weight: Approximately 1.4 kg (3.1 lbs)
- 📐 Dimensions: Standard compact 723-style chassis (approx. 203 mm x 152 mm x 64 mm)
- ⚡ Operating Voltage: Standard low-voltage DC power supply (18–32 VDC)
- 🔌 Power Consumption: Max 25 W
- 🌡️ Operating Temperature: -40°C to +70°C
- 🖥️ Display Type: External programming/monitoring via PC software or handheld programmer
- 🔌 Communication Ports: RS-232 / RS-485 serial communication ports
- 🛡️ Enclosure Protection: Rugged chassis / IP20 internal cabinet mount
- 🔄 Application Support: Dual-engine marine propulsion systems and reciprocating engine load sharing
📖 Operating Instructions
- Power Verification: Ensure the incoming 18–32 VDC power source is properly connected with correct polarity and grounding before energizing the controller.
- System Wiring: Connect speed sensors, actuator command lines, inter-engine load-sharing communication links, and discrete I/O securely to the designated terminal blocks according to the marine application diagram.
- Software Configuration: Connect a PC running Woodward’s service software to the serial port to program engine parameters, speed ranges, and dual-engine load-sharing dynamics.
- Operation & Monitoring: Initiate engine startup, engage the load-sharing and synchronization loops, and monitor real-time operating metrics and performance through the connected software interface.
❓ Frequently Asked Questions (Q&A)
- Q: What is the primary function of the Woodward 8280-423?
- A: It operates as a dual-engine marine low-voltage load-sharing controller designed to manage reciprocating engines used in marine propulsion.
- Q: What power supply range does this model require?
- A: It operates on a standard low-voltage DC power supply ranging from 18 to 32 VDC.
- Q: How is the controller configured?
- A: It is programmed and configured using Woodward service software via its built-in serial communication ports.

