Description
The Woodward 8403-200 A In-Pulse Plus is a high-performance Electronic Fuel Injection (EFI) control unit designed to manage fuel delivery with exceptional precision. Engineered for heavy-duty industrial engines, this controller optimizes combustion efficiency, improves power output, and significantly reduces emissions. It works by processing engine sensor data in real-time to precisely time and meter fuel injection pulses, ensuring stable performance even under fluctuating mechanical loads.
Product Datasheet
- Model Number: 8403-200 A
- Product Series: In-Pulse Plus Electronic Fuel Injection Control
- Manufacturer: Woodward
- Country of Origin: United States (USA)
- Dimensions: Approximately 245 mm x 180 mm x 65 mm (9.65 in x 7.09 in x 2.56 in)
- Weight: Approximately 2.4 kg (5.3 lbs)
- Operating Voltage: 24 VDC nominal (18 to 32 VDC range)
- Enclosure Rating: IP66 / NEMA 4X for harsh environmental protection
- Communication Protocols: CANbus (J1939), RS-232, and RS-485 Serial Ports
Target Applications
The Woodward In-Pulse Plus control unit is primarily deployed in high-horsepower, critical-infrastructure engine systems. Key application fields include:
- Marine Propulsion: Large container ships, tugboats, and transport vessels requiring strict emissions compliance and fuel economy.
- Power Generation: Main and standby industrial diesel and gas generator sets used in data centers, hospitals, and remote power grids.
- Oil and Gas Industry: Heavy machinery driving pumps and compressors on offshore drilling rigs and pipeline transmission stations.
- Locomotive Engines: Rail transport systems utilizing high-displacement diesel engines.
Operating Instructions
To ensure safe installation and reliable long-term operation of the controller, follow these fundamental guidelines:
- Mounting and Placement: Install the control unit in a well-ventilated area away from direct exhaust heat. Use high-quality vibration isolation mounts to protect the internal circuitry from structural engine vibrations.
- Wiring and Grounding: Always disconnect the main power supply before beginning installation. Use shielded twisted-pair cables for all sensor inputs and communication lines to prevent electromagnetic interference (EMI). Ensure a solid, single-point chassis ground to avoid ground loop errors.
- Commissioning: Connect the controller to a PC using the authorized Woodward service tool software. Load the application-specific engine map configuration file and perform a static sensor calibration check before cranking the engine for the first time.
- Maintenance: Periodically inspect the wiring harness for signs of fraying, thermal degradation, or loose connector pins. Clean dust and debris from the cooling fins on the enclosure to maintain optimal thermal dissipation.
Common Questions & Answers
What does the Woodward 8403-200 A In-Pulse Plus control unit do? It is a dedicated micro-processor based controller that regulates the timing and duration of fuel injection pulses in large industrial engines to optimize fuel efficiency and limit exhaust emissions.
Where can I find technical support or verify inventory availability for this controller? You can access full datasheets, check stock parameters, and request quotes for industrial control parts directly through our global hardware distribution channel.
Can this controller handle dual-fuel engine applications? Yes, specific firmware configurations within the In-Pulse Plus series allow it to manage advanced fuel switching and blending profiles for gas-and-diesel combined operations.
What should I do if the status LED indicates a generic communication fault? First, inspect the CANbus or Serial wiring for proper terminating resistor placement (typically 120 ohms for CAN). Ensure that the baud rate settings on your interface tool match the configured internal registers of the module.
