Description
The Woodward 8301-1146 is a specialized digital controller from the robust 723PLUS series, engineered specifically for controlling vessel generators in marine applications. It features dual speed inputs and can be fully programmed to suit applications requiring two magnetic pickups (MPUs) or proximity switches for accurate and redundant speed sensing.
📋 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
- 🔄 Speed Inputs: 2 dedicated speed inputs supporting magnetic pickups (MPUs) or proximity switches
📖 Operating Instructions
- Power Verification: Ensure the incoming 18–32 VDC power source is properly connected with correct polarity and grounding before energizing the controller.
- Sensor & System Wiring: Connect the dual magnetic pickups or proximity switches to the two speed input terminals, alongside actuator command lines, generator I/O, and serial communication wires according to the marine application diagram.
- Software Configuration: Connect a PC running Woodward’s service software to the serial port to program generator control loops, speed setpoints, and engine dynamics.
- Operation & Monitoring: Initiate system startup, verify speed signal stability from both inputs, and monitor operating metrics and generator performance through the connected software interface.
❓ Frequently Asked Questions (Q&A)
- Q: What primary application is the Woodward 8301-1146 designed for?
- A: It is used primarily for controlling vessel generators in marine power systems.
- Q: What speed sensing inputs does this controller support?
- A: It includes two speed inputs that can be programmed for applications requiring two magnetic pickups (MPUs) or proximity switches.
- Q: How is the unit configured and programmed?
- A: It is configured using Woodward service software via its built-in serial communication ports.

