Automatic Controller GCU-20 for Generator Control Unit

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 Supply Voltage 9 to 36VDC Alternator Input Range Voltage 5~300 VAC Frequency 50/60 Hz MPUSignal Input Range ±2V to 70V Peak Rated MPU Frequency 100Hz ~ 10,000Hz Fuel Solenoid Signal Output 10 Amp @ 12/24VDC Start Signal Output 10 Amp @ 12/24VDC Annunciator Output 300mA @ 12/24VDC Power Consumption Under 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 Environment Operation Temperature -20~70°C Storage Temperature-35~85°C Relative Humidity Max. 90% Dimensions 88.0 x 88.0 x 37.5 mm Weight 206 g ±2%

• 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.)