Emerson Network Power LCU+ Series User Manual

16 Chapter 3 Operation
LCU+ Series Controller User Manual
DI SETTINGS
All the alarms can be configured with No.1 to No.8 alarm contacts. ‘0’ means no alarm dry contacts. All the alarm dry
contacts provide NC (normally closed) or NO (normally opened) output and the default alarm dry contacts are given in
the following table.
Table 3-4 Default alarm dry contact setting
Dry contact No.
Default alarm
Dry contact 1
Mains Failure
Dry contact 2
DC Under Volt or DC Over Volt
Dry contact 3
Rectifier alarm
Dry contact 4
LVD2
Dry contact 5
LVD1
Dry contact 6
None
Dry contact 7
None
Dry contact 8
None
Table 3-5 lists the alarms that you can scroll through in the ALARM SETTINGS/ALARM LEVEL menu, and also
shows their factory default ‘Alarm Level’ and ‘Mapped Output Relay’ settings.
Table 3-5 Controller Alarms and Factory Default Settings
Alarm name
Alarm description
Condition
Default alarm level
Default mapped
output relay
Alarm Block
Alarm Block
Alarms are blocked by the LCU+
Observation
Batt
Imbalance
Batt Imbalance
Battery middle voltage out of the range of ( bus
voltage /2) ± 0.6
Major
SavePowerF
ault
SavePowerFault
Into and out of save power status for 5 times in one
hour
Major
Save Power
Save Power Function
System is in save power status
Observation
AC High
AC Voltage High
Input phase voltage higher than AC High point
Observation
AC Low
AC Voltage Low
Input phase voltage lower than AC Low point
Observation
AC PH Fail
AC Phase Fail
Input phase fails
Observation
Temp High2
Temperature High 2
Ambient/ Battery temperature higher than
Temperature High 2
Major
Temp High1
Temperature High1
Ambient/ Battery temperature higher than normal
operation range
Major
Temp Low
Temperature Low
Ambient/ Battery temperature lower than normal
operation range
Observation
Batt Over
Chg
Battery Over Charge
The charging current over the maximum value
Observation
DC Volt
High+
DC Voltage High+
System output voltage much higher than float
charge voltage
Critical
2
DC Volt High
DC Voltage High
System output voltage higher than float charge
voltage
Critical
2
DC Volt Low
DC Voltage Low
System output voltage slightly lower than float
charge voltage
Critical
2
DC Volt Low-
DC Voltage Low-
System output voltage is much lower than float
charge voltage
Critical
2
Rect HVSD
Rectifier HVSD
Rectifier HVSD circuit activated
Major
3
Rect
LoadShare
Rectifier LoadShare
The difference between rectifier output current and
average output current larger than 8A (+/-4A), and
the load of the rectifier greater than 10% of its
capacity
Observation
3
Rect Derated
Rectifier Derated
The output power of at least one rectifier is derated
because of AC undervoltage or overtemperature
Observation
3
Rect Fan
Fails
Rectifier Fan Fails
Fan of at least one rectifier fails
Major
3
Rect Protect
Rectifier Protect
AC input voltage out of the range of 85Vac to
295Vac results in at least one rectifier protected
Observation
3

Emerson Network Power LCU+ Series Specifications

General

Brand	Emerson Network Power
Model	LCU+ Series
Category	Controller
Language	English