GCU-20

Automatic Engine and Generator Control Unit

GCU-20 Automatic Engine and Generator Control Unit has many useful functions like annunciator alarm output and selectable EM81 / EM121 MPU signal for speed sensing. It's suitable for pump engine control. GCU-20 also provide IDLE control for electronic governors.
* Together with RA-20 Annunciator Module to help user monitor onsite and remote monitoring and warning.

Features

Microprocessor based design
Universal LED graphic interface, displays generator status and failures
Modular design, quick installation
With annunciator alarm output
Selectable MPU signal for speed sensing
Suitable for pump engine control
With lamp test function for all front panel LEDs and annunciator lamps
Provide IDLE control for Elec. governors
Five adjustable time delay potentiometers
Six DIP switches for setting different engine parameters

Specifications

Specifications
DC Supply	Voltage 9 to 36 Vdc
Alternator Input Range	Voltage 5 to 300 Vac Frequency 50/60 Hz
MPU Signal Input Range	+/-2V to 70V Peak
Rated MPU Frequency	100 to 10,000 Hz
Fuel Solenoid Signal Output	10 Amp @ 12/24 Vdc
Start Signal Output	10 Amp @ 12/24 Vdc
Annunciator Output	300 mA @ 12/24 Vdc
Power Consumption	Under 3 watts

Adjustable Timers
Engine Pre-Heat	2 to 30 seconds
Starter Cranking Time	1 to 15 seconds
Energize to STOP	1 to 15 seconds
Engine Idle (Governor)	0 to 300 seconds
Engine Cool-Down	0 to 300 seconds