Winco DGC-2020 - Manual (Page 109)

9400200990 Rev K DGC-2020 BESTCOMSPlus Software 4-39
down to zero from the threshold time setting. The maintenance interval pre-alarm can be reset through
the DGC-2020 front panel or by using BESTCOMSPlus.
To reset the maintenance interval pre-alarm through the DGC-2020 front panel, navigate to the
SETTINGS->SYSTEM SETTINGS->MAINT RESET screen. Operator, Settings, or OEM access level is
required to reset the maintenance interval pre-alarm. If the maintenance interval pre-alarm is not enabled,
the MAINT RESET parameter is not visible on the front panel.
To reset the maintenance interval pre-alarm by using BESTCOMSPlus, use the Metering Explorer to
open the Run Statistics screen and click on the Reset Maintenance Interval button.
Engine KW Overload
By comparing the genset power output with the rated genset output, the level of engine loading can be
determined. Three engine overload pre-alarms are available that monitor three-phase real power when
three-phase sensing is active or single-phase real power if single phase sensing is active. Settings
F for
each pre-alarm consist of an enable/disable setting, three-phase threshold setting, three-phase hysteresis
setting, single-phase threshold setting, single phase hysteresis setting, and low line scale factor setting. If
enabled, an engine overload pre-alarm occurs when the metered power level exceeds the threshold
setting. The threshold setting is expressed as a percentage of the genset kW rating on the
BESTCOMSPlus System Settings tab (DGC-2020, System Parameters, System Settings). The hysteresis
setting functions as a pre-alarm dropout by preventing rapid switching of the alarm annunciation.
Low Fuel Level
Low fuel level pre-alarm settings
G consist of an enable/disable setting and a threshold setting. If enabled,
a low fuel level pre-alarm occurs when the metered fuel level decreases below the threshold setting.
High Coolant Temp
High coolant temperature pre-alarm settings
H consist of an enable/disable setting and a threshold setting.
If enabled, a high coolant temperature pre-alarm is annunciated when the engine coolant temperature
exceeds the threshold setting for a fixed duration of 60 seconds.
Low Coolant Temp
Low coolant temperature pre-alarm settings
I consist of an enable/disable setting and a threshold setting.
If enabled, a low coolant temperature pre-alarm occurs when the engine coolant temperature decreases
below the threshold setting.
Low Coolant Level
Low coolant level pre-alarm settings
J consist of an enable/disable setting and a threshold setting. If
enabled, a low coolant level pre-alarm occurs when the metered coolant level decreases below the
threshold setting.
Low Oil Pressure
Low oil pressure pre-alarm settings
K consist of an enable/disable setting and a threshold setting. If
enabled, a low oil pressure pre-alarm is annunciated when the engine oil pressure decreases below the
threshold setting for a fixed duration of 10 seconds.
ECU Coms Fail
ECU communication failure pre-alarm settings
L consist of a single enable/disable setting. If enabled, an
ECU communication failure pre-alarm is annunciated when the DGC-2020 detects a communication
problem in the J1939 interface linking the DGC-2020 with the ECU (engine control unit).
Active DTC
Active DTC (diagnostic trouble code) pre-alarm settings
M consist of a single enable/disable setting. If CAN
and DTC support are both enabled, an “active DTC” pre-alarm may be enabled to announce the presence
of a condition that is causing a DTC to be sent from the ECU to the DGC-2020.
AVR Bias Output Limit
AVR bias output limit settings
N consist of an enable/disable setting and an activation delay setting. If
enabled, an AVR bias output limit pre-alarm is annunciated when the AVR bias output limit has been met
and the activation delay has expired. This setting only applies when using the optional LSM-2020.