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© 2017 Bel Power Solutions & Protection
BCG.00946_001
LDX-U20
12 V / 24 V 20 A High Performance DC-UPS
15
SYMBOL
NAME
FUNCTION
MENU KEY
Scrolls between menus.
DOWN KEY
Scrolls down menus and values.
UP KEY
Scrolls up menus and values.
OK KEY
Confirms selection.
Table 4. User interface keys
The GUI is composed of 5 main menus which are selectable using the MENU KEY as shown on Table 3. The description of each menu is
given below.
5.1 STATUS
The status screen shows the measurement and statuses to ease the system diagnostic. The screen is divided in three main sections
identified by the symbols shown below:
Input: The measured input voltage and current is shown in this section. In case of problems with the input the background
color of the symbol changes from green to red. A message with the cause appears.
Output: The measured output voltage and current is shown in this section. In case of problems with the output the
background color of the symbol changes from green to red and a message with the cause appears.
Battery: The battery voltage, current, temperature, resistance and charge are shown in this section. In case of problems with
the battery the background color of the symbol changes from green to red and a message with the cause appears. During
charging and discharging the symbol background color changes to orange and the number of bars drawn inside reflects the
charge status. During discharging and charging an arrow drawn beside the symbol reflects the direction of the current flowing
through the battery, pointing towards the battery during charging.
Table 5. Status screen symbols
Furthermore in case of problem a full screen alarm message appears on the screen after 1min of
inactivity (no key pressed). The message can be removed pressing the MENU KEY.