Basler Electric DGC-2020 User Manual
Page 244

Name
Description
Symbol
Low Oil Pressure
True when the Low Oil Pressure Pre-Alarm threshold
has been exceeded.
Mains Breaker
Close Fail
True when a mains breaker close fail pre-alarm
occurs. The pre-alarm occurs when the DGC-2020
has issued a mains breaker close output but does
not receive a mains breaker status input that
indicates the breaker has closed before the breaker
close wait time has expired.
Mains Breaker
Open Fail
True when a mains breaker open fail pre-alarm
occurs. The pre-alarm occurs when the DGC-2020
has issued a mains breaker open output but does not
receive a mains breaker status input that indicates
the breaker has opened before the breaker close
wait time has expired.
Mains Breaker
Sync Fail
True when a mains breaker sync fail pre-alarm has
occurred. The pre-alarm occurs when the
synchronizer is running and attempting to close the
mains breaker but the sync fail activation delay
expires prior to achieving breaker closure.
Mains Fail
Return Failed
True when a mains fail return fail pre-alarm has
occurred. The pre-alarm occurs when the DGC-2020
is attempting to transfer from generator power to
mains power after mains returns, but has not
returned to the mains from the generator before the
Mains Fail Return Delay has expired.
Mains Fail
Transfer Failed
True when a mains fail transfer fail pre-alarm occurs.
The pre-alarm occurs when the DGC-2020 is
configured for mains fail transfers, but has not
transferred to the generator from the utility before the
Mains Fail Max Transfer Time has expired. It
remains true until the pre-alarm is cleared by
pressing the Reset button on the front panel.
Maintenance
Interval
True when the Maintenance Interval Pre-Alarm
threshold has been exceeded.
MPU Fail
True when the MPU has failed.
Network ID
Missing Error
True if an expected sequence ID of an optional LSM-
2020 is not detected on the network. Expected
sequence IDs are entered on the Network
Configuration screen.
Network ID
Repeat Error
True if two or more optional LSM-2020’s report the
same expected sequence ID. Expected sequence
IDs are entered on the Network Configuration
screen.
Oil Pressure
Sender Fail
True when the Oil Pressure Sender Fail is configured
as a pre-alarm and the activation delay has expired.
Voltage Sensing
Fail
True when the Voltage Sensing Fail is configured as
a pre-alarm and the activation delay has expired.
Weak Battery
True when the Weak Battery Voltage Pre-Alarm
settings have been exceeded.
5-16
DGC-2020 BESTlogic
™
Plus Programmable Logic
9400200990 Rev X