HGM9580 BUS TIE BUS PARALLEL UNIT
HGM9580 Bus Tie Bus Parallel Unit ISSUE 2014-02-16 Version 1.0 Page 15 of 33
5 PROTECTIONS
5.1 WARNING ALARMS
Warnings are not shutdown alarms and do not affect the operation of the gen-set. Warning alarms
does not lead to shutdown. Warning alarms types are as follows:
No
Type
Description
1
Battery Over Volt
When the controller detects that the battery voltage has exceeded
the pre-set value, it will initiate a warning alarm.
2
Battery Under Volt
When the controller detects that the battery voltage has fallen
below the pre-set value, it will initiate a warning alarm.
3
Bus Breaker Fail
When the controller detects that the bus close status is not
configured in the input port, it will initiate a warning alarm.
4
Digital Input
When the digit input port is set as User Configured and the action
select
“Warn”, it will initiate a warning alarm.
5
Fail to sync
When the controller does not detect synchronization signal within
the pre-set synchronization time, it will initiate a warning alarm.
6
Min
Sets
Not
Reached
When the controller detects fewer modules on the MSC link than
the minimum number configured in the unit, it will initiate a warning
alarm. There are 2 possible reasons: a) Communication line
between
the
controllers
disconnects,
which
interrupts
communication.
b) Other parallel gen-sets controllers have not been powered on.