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GCU-20 Automatic Engine & 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
ix DIP switches for setting different engine parameters
Specifications
DC SupplyVoltage 9 to 36VDC
Alternator Input RangeVoltage 5~300 VAC
Frequency 50/60 Hz
MPUSignal Input Range±2V to 70V Peak
Rated MPU Frequency100Hz ~ 10,000Hz
Fuel Solenoid Signal Output10 Amp @ 12/24VDC
Start Signal Output10 Amp @ 12/24VDC
Annunciator Output300mA @ 12/24VDC
Power ConsumptionUnder 3 watts
Protection & Alarm Status Indicators
Start Failure
High Water Temp.
Low Oil Pressure
No Speed Signal
Overspeed
Underspeed
Extra Prog. Input
Adjustable Timers
Engine Pre-Heat : 2~30 Seconds
Starter Cranking Time : 1~15 Seconds
Energize to STOP : 1~15 Seconds
Engine Idle (Governor) : 0~300 Seconds
ngine Cool-Down : 0~300 Seconds
EnvironmentOperation Temperature -20~70C
Storage Temperature-35~85C
Relative Humidity Max. 90%
Dimensions88.0 x 88.0 x 37.5 mm
Weight206 g ±2%
