6
Open CB : To open circuit breaker from front panel.
Close CB : To close circuit breaker from front panel.
2.3 LEDs
Aux LED
: Indicates auxiliary power to the device
Trip LED
: Indicates tripping.
Alarm LED
: Blinks to indicate non acknowledge alarm (or tripping). Steady on when
the alarm is acknowledged by pressing any key
Programmable LED : 4 Programmable LED can be programmed to turn on when one or more
linked function trigger.
2.4 RS232 Port
The front panel RS232 port has the same MODBUS RTU protocol as the RS485 port on the rear
terminal, though with fixed communication settings: 38400bps, 1 stop bit, even parity, address 1.
All stored information can be read and settings can be modified with a PC loaded with the supplied
setting software.
2.5 Default Display
By default the LCD displays the current value measured for IL1, IL2, IL3 and Io. Input and output
status as well as date and time can be shown by pressing Up key or Down key to change the default
display page. Pressing Esc key always return to current value display.
As soon as an alarm or trip is detected, the display jumps to alarm record display to show the latest
record.
2.6 Alarm Condition
During an alarm or tripping condition, Alarm LED blinks. Alarm record pops up. Any keypress
change the Alarm LED to steady on.
Example of Alarm record title page, showing record 1 out of total 2
records. Press Enter to enter sub page for this record. Press
Record/Down to show next alarm. Press Up to show previous alarm.
Press Esc to return to Default Display. Press Clear to clear the alarm.
If the condition still persists, the alarm cannot be cleared.
Alarm record sub page, showing record date and time. Press
Esc/Enter/RECORD to return to Alarm Record title page.
Clearing all record menu is shown when Up is pressed during display
of Record 1's title page, or RECORD/Down is pressed during display
of Last records title page. Press Clear to clear all Alarm record or Esc
to cancel.
2.6.1 Alarm Auto Scrolling
10 seconds after alarm record pops up, the Alarm display will be auto scrolled to show sub page and
tI> trip 1/2
L2 500A
Date: 03/02/2015
Time: 08:23:44am
Clear all alarm?
Clear=CLEAR
