Programmable variable speed controller
EDG Elliott Company

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The Elliott Digital Governor (EDG) is a compact, cost efficient, packaged electronic speed control unit for precise, reliable speed control of mechanical drives or induction generators. The EDG has simple push-button control to provide improved reliability and speed control over hydraulic governors without the use of wearing parts such as linkages and bearings. Additionally, it does not require a separate programmer as required by many other speed control methods.

The EDG has numerous standard design features including a large, continiuous LCD display and a wide, continuously adjustable governing range from 200-10,000 Hz. Idle speed, ramp rate and turbine speed are programmable, while electrical trip speed is pre-programmed. Optional features include remote trip and start/stop capabilities. The unit is sized for 19-inch rack mounting and can be configured for NEMA A or NEMA D operation. The standard enclosure is NEMA 4X and is suitable for wall mounting.