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Small Diesel Engine Controllers

Woodward offers system solutions to control diesel engines and after-treatment systems with robust controllers and components to provide optimal control and emissions monitoring. Woodward is an expert in small engine control systems, whether it's a simple engine health monitor or the complete engine operating system.



APECS® 4500 Programmable Engine Controller

The Woodward APECS® 4500 Programmable Engine Controller controls small spark-ignition engines. The control operates on 9?32 Vdc, and accepts inputs from magnetic pickup, coil-type spark ignition system, magneto spark ignition system, or Hall effect sensor. It offers user-selectable isochronous or droop governing and easy programmability, as well as an external analog input, two switched inputs, PTO switch input, idle verification switch input, engine protection switch input, a status LED, and a configurable auxiliary output.




DPG Series

The Woodward DPG Series microprocessor-based digital controller governs diesel or gas-fueled engines. These programmable controls provide isochronous or droop speed control, isochronous load sharing, and precision frequency control. Works with APECS and Power Flow actuators: DPG 2100 series for generators, DPG 2200 series for load-sharing generators, DPG 2300 series for off-road vehicles, DPG 2400 series for EFC valve applications on Cummins engines.




512/524 & 1712/1724 EPGs

The Woodward 512/524 and 1712/1724 EPGs are three-component governing systems for 12 or 24 Vdc operation. All EPG systems include an actuator, an electronic speed control, and magnetic pickup. Both isochronous and droop controls are available. The EPG is designed for precise speed control of diesel, gas, or gasoline engines, and gas turbines. The governor is especially suited to prime movers without a mechanical drive or hydraulic oil supply for the governor, and which have low-mass, low-friction fuel linkages.




L-Series Integrated Engine Speed Control

The Woodward L-Series Speed Control is a microprocessor-based engine speed controller in a small package. The L-Series can easily be programmed to match the operating parameters of every engine you produce. With many built-in functions, the L-Series speed control allows a high-volume packager to stock one part number, but implement a wide variety of engine control strategies. Moreover the L-Series is available in a variety of mechanical configurations, including one integrated into a rotary diesel fuel pump and one integrated with a throttle body or a throttle body and mixer.