+86 15340683922
+86 15340683922الوصف
The Woodward 8280-4074 is a specific part number that identifies a LECM (Large Engine Control Module) E6 Lean-Burn Control. This is a highly sophisticated electronic control unit designed for advanced management of large industrial internal combustion engines, particularly those configured for lean-burn operation, and includes robust capabilities for Real-Time Combustion Diagnostics & Control (RTCDC).
WOODWARD 8280-4074: LECM E6 Lean-Burn Control (3-Stack: Main; AUX RTCDC, 20 Knock)
The Woodward 8280-4074 is a high-performance Large Engine Control Module (LECM) within Woodward’s E6 platform. These modules are specifically designed to meet the demanding requirements of large industrial engines, providing comprehensive control over various engine parameters for optimal performance, efficiency, and advanced diagnostics in lean-burn applications.
Product Overview
- Product Type: Large Engine Control Module (LECM) / Electronic Control Unit (ECU)
- Manufacturer: Woodward
- Series: E6 / LECM
- Function: This particular configuration is a “Lean-Burn Control” in a “3-Stack” modular system. This means it comprises a Main module and two additional Auxiliary (AUX) modules stacked together. Its key capabilities are centered around advanced Real-Time Combustion Diagnostics & Control (RTCDC) and comprehensive knock detection. This makes it suitable for detailed engine performance monitoring and precise control, particularly vital for protecting lean-burn gas engines from detonation.
- Configuration:
- 3-Stack: Indicates a modular system with a main control module and two additional specialized modules.
- Main: The core processing unit for overall engine control.
- AUX RTCDC: An auxiliary module specifically dedicated to Real-Time Combustion Diagnostics & Control. This unit processes high-speed, in-cylinder pressure signals or other fast-response data for detailed insights into the combustion process, allowing for fine-tuning combustion parameters.
- 20 Knock: An auxiliary module or integrated capability providing 20 knock inputs. This allows for sophisticated, per-cylinder knock detection, which is crucial for protecting lean-burn gas engines from detonation and optimizing their operation close to the knock limit for maximum efficiency.
Detailed Description
The Woodward LECM series, including the 8280-4074, offers a powerful and flexible control platform for demanding large engine applications.
Key characteristics of the 8280-4074:
- Advanced Hardware Architecture: It features a robust processor and extensive, high-speed I/O capabilities, crucial for the complex real-time calculations involved in combustion diagnostics and precise control.
- Modular and Scalable: The “3-Stack” configuration highlights its expandability and specialization. By combining different modules, the LECM system can be precisely tailored to provide the necessary control and diagnostic capabilities for various engine sizes and complexities. The inclusion of both RTCDC and 20 knock inputs makes it suitable for highly sophisticated lean-burn engines.
- Comprehensive Engine Control Integration: This unit integrates seamlessly with other Woodward components (like TecJet valves for precise fuel metering, ProAct actuators for throttle control, and ignition systems) to form a complete engine management system. This includes control of speed, load, air/fuel ratio, sophisticated diagnostics, and critical engine protection functions.
- Enhanced Diagnostics and Optimization: The dedicated RTCDC module along with numerous knock inputs allows for unparalleled insight into the combustion process. This data can be used for:
- Optimizing combustion efficiency and reducing fuel consumption.
- Minimizing harmful emissions by fine-tuning the combustion event.
- Proactive maintenance by identifying potential issues before they escalate.
- Real-time adjustments to engine parameters based on actual combustion feedback.
- Communication: LECM modules typically offer a variety of robust communication ports, including Ethernet (for service interface, HMI/PLC integration using Modbus TCP/IP, remote diagnostics, and IIoT capabilities), CAN (for reliable communication with other engine components and external systems like J1939), and Modbus (for integration with SCADA or plant control systems).
- Rugged Design: It’s built to withstand the extreme environmental conditions typically found in engine rooms, including high vibrations and wide temperature ranges, ensuring long-term reliability in demanding industrial settings.
Applications
The Woodward 8280-4074 LECM E6 Lean-Burn Control, with its advanced RTCDC and extensive knock detection capabilities, is primarily used in applications involving large reciprocating engines where advanced monitoring, precise control, and detailed diagnostics are critical, especially for spark-ignited gas engines operating in lean-burn mode:
- Power Generation: For engine-driven generator sets (gensets) in base-load, peaking, or grid stabilization applications, particularly where stringent NOx emissions regulations apply.
- Oil & Gas: For engines driving compressors in pipeline applications or pumps in upstream/midstream operations, where precise and efficient fuel management is key.
- Industrial Applications: In large industrial prime movers where detailed combustion analysis can lead to significant operational savings and reduced downtime.
- Engine Development & Testing: Due to its high-resolution diagnostic capabilities, it’s also highly valuable in engine development and testing environments for research and optimization.
Compatibility and Replacement Notes
It’s important to note the current status of the 8280-4074:
- Obsolescence: The 8280-4074 belongs to the 723, 723+, and 828 product line, which Woodward has officially inactivated (End-of-Life). This decision was made due to component obsolescence. This means direct sales and new production of the 8280-4074 are discontinued. While limited repairs might have been supported based on parts availability until September 2024, as of July 2025, this support period has likely ended or is extremely limited.
- Replacement: Woodward offers newer product lines as replacements for the 723, 723+, and 828 platforms. These typically include:
- LECM SA (Stand-Alone) Main board variant: This is the modern, powerful base unit, which can be expanded with additional I/O modules to match the comprehensive functionality (including RTCDC and multiple knock inputs) of the 8280-4074.
- Flex500: A highly flexible and modern control platform that can support advanced combustion diagnostic features and extensive I/O.
- 2300E: Another electronic control option that may integrate with external diagnostic solutions to achieve similar functionality.
