Description
The Woodward 8280-501 is a versatile 723 digital generator control unit engineered to accommodate both high- and low-voltage power supplies. Designed for precise generator governance, it delivers a robust 0–200 mA actuator output, providing accurate fuel or steam valve positioning for complex industrial power generation systems.
📋 Technical Specifications
- 🌍 Origin Country: United States
- ⚖️ Weight: Approximately 1.5 kg (3.3 lbs)
- 📐 Dimensions: Standard compact 723-style chassis (approx. 203 mm x 152 mm x 64 mm)
- ⚡ Operating Voltage: Dual-compatibility high- and low-voltage power supply options
- 🔌 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
- 🔄 Actuator Output: 0–200 mA dedicated current output for heavy-duty valve and actuator positioning
📖 Operating Instructions
- Power Verification: Verify the input power supply matches either the configured low-voltage or high-voltage range, ensuring proper grounding before energizing the unit.
- System Wiring: Connect speed sensors (such as magnetic pickups), the 0–200 mA actuator lines, discrete I/O, and serial communication cables to the designated terminal blocks according to the generator wiring schematic.
- Software Configuration: Connect a PC running Woodward’s service software to the serial port to program engine dynamics, speed ranges, and control loop parameters.
- Operation & Monitoring: Initiate system startup, verify governor response across the operating range, and monitor performance parameters via the connected software interface.
❓ Frequently Asked Questions (Q&A)
- Q: What power supply options does the Woodward 8280-501 support?
- A: It is designed as a flexible controller capable of operating on both high- and low-voltage power supply inputs.
- Q: What is the actuator output rating for this model?
- A: It features a high-capacity actuator output ranging from 0 to 200 mA.
- Q: How is the controller programmed and configured?
- A: It is configured using Woodward service software via its built-in serial communication ports.

