BEL LDX-U20 User Manual page 21

LDX-U20
12 V / 24 V 20 A High Performance DC-UPS
5.3.5 OPERATING TIME
Shows the device operating time. The counter shows the hours of operation (device powered) since the
manufacturing.
5.3.6 BATTERY INSTALLATION DATE
Shows the battery installation date. This value can be edited pressing the OK KEY or using the wizard
(see §5.5). It is used by the system to calculate the battery operating time.
5.3.7 BATTERY OPERATING TIME
Shows the current battery operating time. The value is calculated from the date entered in the battery
installation date field. Once the operating time exceeds the defined battery lifetime (see 5.2.13) an alarm is
generated (see §6).
5.4 LOGS
Every event is logged in the device FLASH memory. From the log menu the user can view their history. Use the UP/
DOWN KEYS to navigate between logs.
For each event the following information is given:
Timestamp: The time and date at which the event happened.
Event name: The name identifying the event, see §6 for the complete list of events
Value: The value may be empty. See §6 for the detailed description of this field for each event.
5.5 WIZARD
The wizard assists the user during the LDX-U20 configuration. The wizard should be run once at commissioning and every time the battery is
replaced. The wizard shows the following screens:
1) The user must confirm with the OK KEY or
use the MENU KEY to exit the wizard. Exiting
the wizard any time before the end leaves the
configuration unchanged.
3) Insert the battery chemistry and click next to
confirm. See §5.2.2 for more details.
2) Insert the input nominal voltage and click
next to confirm. See §5.2.1 for more details.
4) Insert the battery nominal voltage and
click next to confirm. See §5.2.3 for more
details.
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