Micom P721, Техническое руководство

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P72x/EN FT/C21 User Guide
Page 18/38 MiCOM P721/P723
P72x Front panel setting:
Press to access the LED 5 CONFIGURATION submenu, then twice (press to access
to others LEDs CONFIGURATION submenus).
Select “Yes” to assignate a LED to a function.
CONFIGURATION
Led 5
Heading LED 5 submenu.
Led 5
Function No
Activate (select choice “Yes” or inhibit (“No”) LED 5
operation when:
- an alarm is exceeded,
- a threshold time delay has elapsed.
Refer to previous tables for protection functions list.
2.4.3 Submenu GROUP SELECT
The submenu “GROUP SELECT” is used to select the active protection group
CONFIGURATION
Group Select
Heading of the “GROUP SELECT” sub-menu.
Change Group
Input = INPUT
Setting choice : MENU or INPUT
MENU is used to change settings group via HMI and/or
RS485 port.
If MENU is selected, the following menu is displayed:
Setting Group
1
Select active setting protection group 1 or 2.
2.4.4 Submenu ALARMS
CONFIGURATION
Alarms
Heading of the Alarms submenu.
Setting choices: Yes or No.
Inst. Self-reset ?
No
Setting choice Yes: the alarms that are instantaneous
will be self reset when they come back to a normal value
(below the threshold).
Setting choice No: the alarms that are instantaneous will
be need to be acknowledged by the user to be reset.
Reset led on
fault ?
No
Yes: the LED associated with an old alarm will be
automatically reset when a new fault occurs. This is
done to avoid a display of numerous alarms that are not
active any more.
No: the appearance of a new fault will not automatically
reset LEDs associated with an old fault.
Alarm tAux1
inhib No
Yes: auxiliary timer 1 output will not raise an alarm.
Alarm LED stays OFF, no message will be displayed on
the HMI.
No: auxiliary timer 1 will raise an alarm.
Alarm tAux2
inhib No
As above with timer 2.