33
C
Associations Between Alarms and Dry Contacts on the DCU
Port Type
Silk Screen
Description
Boolean value
port
DIN1 Reserved
DIN2 Reserved
DIN3 Reserved
DIN4 Reserved
DIN5 Reserved
DIN6 Reserved
Dry contact
ALM1
Reports alarms for AC power failures.
The default setting (closed: alarm; open: normal) can
be changed.
ALM2
Reports alarms for DC overvoltage or under-voltage.
The default setting (closed: alarm; open: normal) can
be changed.
ALM3
Reports alarms for rectifier faults.
The default setting (closed: alarm; open: normal) can
be changed.
ALM4
Reports alarms for DC surge protective device (SPD)
faults.
The default setting (closed: alarm; open: normal) can
be changed.
ALM5
Reports alarms for battery fuse blown or breaker trip.
The default setting (closed: alarm; open: normal) can
be changed.
ALM6
Reports alarms for abnormal ambient or battery
temperatures.
The default setting (closed: alarm; open: normal) can
be changed.
ALM7 Major
ALM8 Minor
Table 18 – Associations between alarms and dry contacts
