iv
9469300990 Rev B
Bus Voltage ............................................................................................................................................. 53
Generator and Bus Current ..................................................................................................................... 53
Engine Sender Inputs ............................................................................................................................... 55
Connections ............................................................................................................................................. 55
Compatibility ............................................................................................................................................ 55
Operation ................................................................................................................................................. 55
Programmability ....................................................................................................................................... 55
Characteristic Curves .............................................................................................................................. 55
Sender Failure Detection ......................................................................................................................... 59
Speed Signal Inputs .................................................................................................................................. 61
Magnetic Pickup ...................................................................................................................................... 61
Generator Sensing Voltage ..................................................................................................................... 61
Contact Inputs ........................................................................................................................................... 63
Programmable Contact Inputs ................................................................................................................. 63
Analog Inputs ............................................................................................................................................ 67
Input Setup .............................................................................................................................................. 67
Ranges .................................................................................................................................................... 67
Thresholds ............................................................................................................................................... 67
Operational Settings ................................................................................................................................ 68
Logic Connections ................................................................................................................................... 69
Contact Outputs ........................................................................................................................................ 71
Prestart .................................................................................................................................................... 71
Start ......................................................................................................................................................... 71
Run .......................................................................................................................................................... 71
Relay Control ........................................................................................................................................... 71
Programmable Contact Outputs .............................................................................................................. 72
Operating Modes ....................................................................................................................................... 75
Off ............................................................................................................................................................ 75
Run .......................................................................................................................................................... 75
Auto ......................................................................................................................................................... 75
Operating Mode Control .......................................................................................................................... 75
Breaker Management ................................................................................................................................ 77
Breaker Status ......................................................................................................................................... 77
System Breaker Configuration ................................................................................................................ 77
Breaker Operation ................................................................................................................................... 88
Synchronizer ............................................................................................................................................. 97
Operation ................................................................................................................................................. 97
Configuration ........................................................................................................................................... 99
Bias Control ............................................................................................................................................. 113
AVR Bias Control Settings .................................................................................................................... 113
Governor Bias Control Settings ............................................................................................................. 115
Multiple Generator Management ........................................................................................................... 119
AVR Output ........................................................................................................................................... 119
Governor Output .................................................................................................................................... 120
Load Share Output ................................................................................................................................ 121
Parameter Selection .............................................................................................................................. 121
Demand Start/Stop ................................................................................................................................ 121
Generator Sequencing .......................................................................................................................... 123
Network Configuration ........................................................................................................................... 125
Generator Protection .............................................................................................................................. 127
Undervoltage (27) .................................................................................................................................. 127
Overvoltage (59) .................................................................................................................................... 129
Contents
DGC-2020HD
