Automatic Controller GCU-20 for 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.
Features:Microprocessor based designUniversal LED graphic interface, displays generator status and failuresModular design, quick installationWith annunciator alarm outputSelectable MPU signal for speed sensingSuitable for pump engine controlWith lamp test function for all front panel LEDs and annunciator lampsProvide IDLE control for Elec. governorsFive adjustable time delay potentiometersSix DIP switches for setting different engine parameters
Specification:DC Supply:Voltage 9 to 36 VdcAlternator Input Range:Voltage 5 to 300 VacFrequency 50/60 HzMPU Signal Input Range:+/-2V to 70V PeakRated MPU Frequency:100 to 10,000 HzFuel Solenoid Signal Output:10 Amp @ 12/24 VdcStart Signal Output:10 Amp @ 12/24 VdcAnnunciator Output:300 mA @ 12/24 VdcPower Consumption:Under 3 watts
Protection and Alarm Status Indicators:Start FailureHigh Water Temp.Low Oil PressureNo Speed SignalOverspeedUnderspeedExtra Prog. Input
Adjustable TimersEngine Pre-Heat:2 to 30 secondsStarter Cranking Time:1 to 15 secondsEnergize to STOP:1 to 15 secondsEngine Idle (Governor):0 to 300 secondsEngine Cool-Down:0 to 300 seconds
EnvironmentOperating Temperature :-20 to +60 CStorage Temperature:-35 to +85 CRelative Humidity:Less than 90%
