Description
The Woodward 8280-339 is a highly versatile programmable digital controller designed for complex prime mover applications. Operating as part of the 723PLUS series (associated with Control Assembly Model 9906-619), it is fully programmable to accommodate applications requiring dual magnetic pickups (MPUs) or proximity switches for precise speed sensing, backed by a comprehensive array of analog and discrete I/O channels.
📋 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
- 🔄 I/O Configuration: 4 Analog Inputs, 3 Analog Outputs, 8 Discrete Inputs, 3 Discrete Outputs, plus dual MPU/proximity switch speed inputs
📖 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 dual speed sensors (MPUs or proximity switches), actuator command lines, and all four analog inputs, three analog outputs, eight discrete inputs, and three discrete outputs to the designated terminal blocks according to the system diagram.
- Software Configuration: Connect a PC running Woodward’s service/control software to the serial port to program control loops, configure I/O parameters, and set up engine or turbine dynamics.
- Operation & Monitoring: Initiate system startup, verify sensor inputs and output responses, and monitor real-time operating metrics through the connected software interface.
❓ Frequently Asked Questions (Q&A)
- Q: What speed sensing inputs does the Woodward 8280-339 support?
- A: It is fully programmable to support applications requiring two magnetic pickups (MPUs) or proximity switches.
- Q: How many I/O channels does this controller feature?
- A: It is equipped with 4 analog inputs, 3 analog outputs, 8 discrete inputs, and 3 discrete outputs.
- Q: What is the associated control assembly model number?
- A: It corresponds to Control Assembly Model Number 9906-619.

