9400200990 Rev I 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
Microprocessor................................................................................................................................... 3-1
Generator Voltage Sensing Inputs..................................................................................................... 3-2
Bus Voltage Sensing Inputs............................................................................................................... 3-2
Current Sensing Inputs....................................................................................................................... 3-2
Analog Engine Sender Inputs............................................................................................................. 3-2
Speed Signal Inputs ........................................................................................................................... 3-3
Contact Inputs .................................................................................................................................... 3-3
Front Panel HMI ................................................................................................................................. 3-4
Remote Display Panel (Optional)....................................................................................................... 3-4
Communication Ports......................................................................................................................... 3-4
Output Contacts ................................................................................................................................. 3-8
BREAKER MANAGEMENT................................................................................................................... 3-8
Introduction......................................................................................................................................... 3-8
Determining Breaker Status ............................................................................................................... 3-9
Processing Breaker Requests............................................................................................................ 3-9
Breaker Operation.............................................................................................................................. 3-9
EVENT RECORDING..........................................................................................................................3-10
Figures
Figure 3-1. Function Block Diagram
.......................................................................................................... 3-1
Tables
Table 3-1. ECU Parameters Obtained from CAN Interface
...................................................................... 3-5
Table 3-2. Engine Configuration Parameters Obtained from CAN Interface ............................................ 3-6
Table 3-3. Diagnostic Information Obtained Over the CAN Interface....................................................... 3-7
Table 3-4. Event List................................................................................................................................ 3-10
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