Configurable Protection Scale Factors ............................................................................................. 4-51
Alarm Configuration ............................................................................................................................. 4-52
Horn Configuration ........................................................................................................................... 4-52
Pre-Alarms........................................................................................................................................ 4-52
Alarms .............................................................................................................................................. 4-57
Sender Fail ....................................................................................................................................... 4-58
Generator Protection ............................................................................................................................ 4-59
Voltage Protection (27, 59, 47)......................................................................................................... 4-59
Frequency Protection (81O/U) ......................................................................................................... 4-63
Reverse Power Protection (32R) ..................................................................................................... 4-64
Loss of Excitation Protection (40Q) .................................................................................................. 4-65
Overcurrent Protection (51-1, 51-2, 51-3) ........................................................................................ 4-67
Loss of Mains Protection .................................................................................................................. 4-69
Breaker Management .......................................................................................................................... 4-71
Breaker Hardware ............................................................................................................................ 4-71
Mains Failure .................................................................................................................................... 4-73
Bus Condition Detection ................................................................................................................... 4-75
Automatic Synchronizer (Optional) .................................................................................................. 4-79
Bias Control Settings ........................................................................................................................... 4-81
AVR Bias Control Settings ............................................................................................................... 4-81
Governor Bias Control Settings ........................................................................................................ 4-84
Multigen Management ......................................................................................................................... 4-86
AVR Output ...................................................................................................................................... 4-86
Governor Output ............................................................................................................................... 4-87
Load Share Output ........................................................................................................................... 4-87
Demand Start/Stop ........................................................................................................................... 4-87
Generator Sequencing ..................................................................................................................... 4-88
Network Configuration ...................................................................................................................... 4-90
Programmable Senders ....................................................................................................................... 4-90
BESTlogic
™
Plus Programmable Logic ................................................................................................. 4-91
Logic Timers ..................................................................................................................................... 4-91
Settings File Management ................................................................................................................... 4-91
Upgrading Firmware in the DGC-2020 and Expansion Modules ......................................................... 4-93
Upgrading Firmware in Expansion Modules .................................................................................... 4-94
Upgrading Firmware in the DGC-2020 ............................................................................................. 4-96
Metering Explorer ................................................................................................................................. 4-96
Engine .............................................................................................................................................. 4-99
Generator ......................................................................................................................................... 4-99
Power ............................................................................................................................................... 4-99
Bias Control ...................................................................................................................................... 4-99
Run Statistics.................................................................................................................................. 4-100
Status ............................................................................................................................................. 4-100
Inputs .............................................................................................................................................. 4-101
Logic Control Relays ...................................................................................................................... 4-104
Outputs ........................................................................................................................................... 4-104
Configurable Protection .................................................................................................................. 4-106
Alarms ............................................................................................................................................ 4-107
Event Log ....................................................................................................................................... 4-107
J1939 ECU ..................................................................................................................................... 4-108
MTU ................................................................................................................................................ 4-110
Summary ........................................................................................................................................ 4-111
Control ............................................................................................................................................ 4-112
Real Time Clock ............................................................................................................................. 4-113
Generator Network Status .............................................................................................................. 4-113
Generator Sequencing ................................................................................................................... 4-113
Mains Fail Transfer Status ............................................................................................................. 4-114
Diagnostics ..................................................................................................................................... 4-114
BESTCOMSPlus
® Updates ................................................................................................................ 4-115
Auto Export Metering ......................................................................................................................... 4-115
ii
DGC-2020 BESTCOMSPlus
® Software
9400200990 Rev X
