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Accessories

Elliott Digital Governors - 34817 Elliott Digital Governor

The EDG (Elliott Digital Governor) is a compact speed control for mechanical drives or induction generators. The EDG can be configured for NEMA A or NEMA D operation. The standard enclosure is NEMA 4X and suitable for wall mounting.

Benefits

• Improved speed control and reliability over hydraulic governors• Full operational control - easily misplaced separate programmer not required• Low initial cost relative to other electronic and most hydraulic governors• Rapid availability relative to other electronic governors• Sized for 19” rack mounting

Features

• Low initial cost • No separate programmer needed • Local speed readout • Simple push button operation • Large continuous LCD display • Two magnetic pickups (MPU) for redundancy • MPU okay indication • Remote speed control capability (4-20 mA DC, 300 ohms) • Check electrical and mechanical trip • Fail safe • Programmable idle speed • Programmable ramp rate • Programmable turbine speed • Pre-programmed electrical trip speed • 3 to 1 speed range turndown capability • Governor valve closes when turbine trips

Inputs

Two magnetic pickups 4-20 mA remote speed set point Remote trip signal Remote start/stop (when supplied) Remote Idle/Rated (when supplied)

Outputs

4-20 mA to actuator 4-20 mA to remote speed readout (when supplied)Alarm contact for MPU failure Trip output for trip solenoid

Utilities

• Electrical power 120/230 VAC 50 or 60 hertz; 300 watts max. Conduit opening – Two holes in bottom for 1” conduit hubs• UL and CSA certified, (others available) • Air for actuator NEMA A – 40 PSIG min., 150 PSIG max. NEMA D – 75 PSIG min., 150 PSIG max.

Options

• Remote trip capability (requires solenoid purchase)• Remote start/stop capability • RS422 port • Remote Idle/Rated

Ambient conditions

Suitable from 0 oF (-18 oC) to 130 oF (55 oC)