Generator Set Control Panel for Switchgear Conversion Caterpillar

The control board is used on MUI engines only. The control board is the main component of the control panel for the MUI engine. The control board performs numerous generator set control functions. The following connectors are used in order to make electrical connections to the other generator set components: the spade terminals, the 24 pin connector and other connectors. The control board contains numerous switches and potentiometers for adjustments of the different functions. The eight light emitting diodes act as fault indicators for service personnel. For more detailed information, see Systems Operation, "General Information".

Table 1

Inputs And Outputs Of The Control Board (24 Pin Connector)
Input/Output	Description	Signal Type	Connector Contact
Input	Power	B+	Contact 21
Input	Power	B-	Contact 4
Output	Shunt Trip	B+	Contact 17
Output	Starting Motor Magnetic Switch	B+	Contact 13
Output	Fuel Shutoff Solenoid	B+	Contact 9
Output	Crank Terminate	B+	Contact 23
Input	System Reset	B+	Contact 22
Input	Warning Reset	B+	Contact 3
Input	Coolant Temp	B-	Contact 15
Input	Oil Pressure	B-	Contact 7
Input	Low Coolant Level	B-	Contact 12
Input	Start Signal	B+	Contact 24
Input	Magnetic Pickup	AC	Contact 10 and Contact 8
Input	Generator Running	B+	Contact 18
Input	Lamp Test	B-	Contact 19
Input	Emergency Stop	B-	Contact 20
Input	Local Control Enabled	B+	Contact 14
Input	Spare Fault	B-	Contact 11
Input	Not In Auto	B-	Contact 16