Posted in | Actuators

ProAct TM Digital Plus Actuators from Woodward Governor Company

The ProActTM Digital Plus actuator is intended to be mounted on-engine to control varying functions including (but not limited to): fuel rack positioning, timing control, throttle valve, and wastegate positioning. The actuator is effectively a positioner with an integral driver, which will accept a position command signal from another device in the system such as a speed control. The ProAct Digital Plus actuator includes an integral digital driver capable of controlling the actuator, communicating with the outside control system, and containing on-board software and intelligence to realize monitoring and customizing functions.

The actuators are designed to be base- or flange-mounted (Model IV is basemounted only) in an on-engine environment and can herefore withstand high levels of vibration and temperature extremes. They all have a 0.625-36 serrated tooth terminal shaft, and an optional rotation scale and indicator are available for visible travel detection. The actuators accept analog or PWM position command signals. In addition, the Digital Plus driver accepts CAN position command signals and can be configured for redundant command signals. It monitors all available internal and external signals, and annunciates any detected faults through a discrete output. An analog output provides actual position indication, and a discrete input is available to remotely shut down the actuator.

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