JEP0-IL9416
12
A - 4 Operation elements – status indication
This item is only displayed when record data on operation elements has been stored. The item data will not be displayed
when there is no records.
<< Example >> Where the following operation elements operated when a system failure occurred:
(1) First phenomena
: Phase fault time-lag A-phase, phase fault time-lag B-phase
(2) Second phenomena : Phase fault time-lag B-phase, phase fault time-lag C-phase
(3) Third and more
: No records
Operation
Step Description
Switch Press
Indication
1
The indication mode starts.
IND./IND.END
Once
0
0
0.
0
1
0
Item No.
Item data
A-
phase
B-
phase
C-
phase
Zero-
phase
kA
A
I >
I
C
>
I
B
>
I
A
>
TRIP
I >>
I
C
>>
I
B
>>
I
A
>>
2
When the switch is kept depressed until
the item number “311” appears, the
operation status of the first phenomena
will be shown by the operation indicator
LEDs.
Ex. : The phase fault time-delayed A- and
B-phases operated.
UP
-
1
1
3
Item No.
Item data
A-
phase
B-
phase
C-
phase
Zero-
phase
kA
A
I >
I
C
>
I
B
>
I
A
>
TRIP
I >>
I
C
>>
I
B
>>
I
A
>>
3
Press the switch to get the item number
“312”. The operation indicator LEDs will
indicate the status of operation of the
second phenomena.
Ex. : Phase fault time-delayed B- and
C-phases operated.
UP
Once
2
1
3
Item No.
Item data
I >
I
C
>
I
B
>
I
A
>
TRIP
I >>
I
C
>>
I
B
>>
I
A
>>
4
Changing the item number to the next
“320” will indicate that there is no records
for the third and more phenomenon.
UP
Once
0
2
3
Item No.
Item data
A-
phase
B-
phase
C-
phase
Zero-
phase
kA
A
5
The indication mode ends.
IND./IND.END
Once
Item No.
Item data
I >
I
C
>
I
B
>
I
A
>
TRIP
I >>
I
C
>>
I
B
>>
I
A
>>
