Winco DGC-2020 - Manual (Page 47)

9400200990 Rev K DGC-2020 Functional Description i
SECTION 3
 FUNCTIONAL DESCRIPTION
TABLE OF CONTENTS
SECTION 3
 FUNCTIONAL DESCRIPTION ........................................................................................... 3-1
INTRODUCTION.................................................................................................................................... 3-1
DGC-2020 FUNCTION BLOCKS........................................................................................................... 3-1
Power Supply ..................................................................................................................................... 3-1
Battery Voltage Sensing ................................................................................................................. 3-1
Microprocessor ................................................................................................................................... 3-1
Zero Crossing Detection ................................................................................................................. 3-2
Analog-to-Digital Converter ............................................................................................................ 3-2
Watchdog Timer ............................................................................................................................. 3-2
Generator Voltage Sensing Inputs ..................................................................................................... 3-2
Bus Voltage Sensing Inputs ............................................................................................................... 3-2
Current Sensing Inputs....................................................................................................................... 3-2
Analog Engine Sender Inputs............................................................................................................. 3-2
Oil Pressure .................................................................................................................................... 3-2
Coolant Temperature...................................................................................................................... 3-2
Fuel Level ....................................................................................................................................... 3-3
Speed Signal Inputs ........................................................................................................................... 3-3
Generator Voltage Sensing Input ................................................................................................... 3-3
Magnetic Pickup Input (MPU) ......................................................................................................... 3-3
Contact Inputs .................................................................................................................................... 3-3
Emergency Stop Input .................................................................................................................... 3-3
Programmable Inputs ..................................................................................................................... 3-3
Front Panel HMI ................................................................................................................................. 3-4
LCD................................................................................................................................................. 3-4
LED Indicators ................................................................................................................................ 3-4
Pushbuttons .................................................................................................................................... 3-4
Remote Display Panel (Optional) ....................................................................................................... 3-4
Communication Ports ......................................................................................................................... 3-4
USB................................................................................................................................................. 3-5
CANbus........................................................................................................................................... 3-5
Diagnostic Trouble Codes (DTCs).................................................................................................. 3-6
MTU Fault Codes............................................................................................................................ 3-7
RS-485 (Optional)........................................................................................................................... 3-8
Modem (Optional) ........................................................................................................................... 3-8
Output Contacts ................................................................................................................................. 3-8
Pre-Start.......................................................................................................................................... 3-9
Crank .............................................................................................................................................. 3-9
Fuel ................................................................................................................................................. 3-9
Programmable ................................................................................................................................ 3-9
MODES OF OPERATION...................................................................................................................... 3-9
OFF .................................................................................................................................................... 3-9
RUN.................................................................................................................................................... 3-9
AUTO.................................................................................................................................................. 3-9
ATS Contact Input .......................................................................................................................... 3-9
Generator Exerciser...................................................................................................................... 3-10
Mains Fail Transfer Functionality.................................................................................................. 3-10
Run with Load Logic Element ....................................................................................................... 3-10
Demand Start/Stop Function ........................................................................................................ 3-10
Interoperability of the Run with Load Logic Element and the Demand Start/Stop Function ........ 3-10
BREAKER MANAGEMENT ................................................................................................................. 3-10
Introduction....................................................................................................................................... 3-10
Determining Breaker Status ............................................................................................................. 3-10
Processing Breaker Requests.......................................................................................................... 3-10
RUN Mode .................................................................................................................................... 3-11
OFF or AUTO Mode (Not Running) .............................................................................................. 3-11