JEP0-IL9416
16
【
B
】
Setting mode (Item No. : “500” range)
(1) If the relay is in one of the following condition, the settings including operating current and time can be free changed by
following the procedure B - 1 .
-
The relay is without RS232C communication I/F
-
RS232C communication I/F is located but the relay password function is in the “disable” status.
(refer to D - 9 )
Note that two or more items of setting can be changed at a time as long as all of them belong to the setting mode (the “500” range),
but can not be changed if at least one of them belongs the forced operation (the “700” range) or option mode (the “800” to “900”
range).
B - 1 Establishing settings
<< Example >> To change the operating current and time of the earth fault time-delayed element to the following
values:
(1) Operating
current ..................... 0.15 A
→
0.25 A
(2) Operating
time multiplier........... 0.25
→
10
Operation
Step Description
Switch Press
Indication
1
The setting mode starts. The
SETTING/CANCEL indicator LED comes on
and the corresponding item number blinks.
The current setting for the item number is
displayed in the item data box.
SETTING/
CANCEL
Once
0
2.
1
1
5
Item No.
Item data
S E T T IN G /
C A N C E L
S E L E C T /
S E T
S E T .E N D /
T R IP
U P
D O W N
IN D ./
IN D I.E N D
R E S E T
2
Press and hold the UP switch to select the item
number “531” (“Operating current of earth fault
time-delayed element”).
UP
-
5
1
0.
1
3
5
Item No.
Item data
3
Check that the item “531” is certainly displayed
and press the SELECT/SET switch. The
item data box will blink to become enabled to
be changed.
The item number and data boxes will blink
alternately every time the SELECT/SET
switch is pressed once.
SELECT/SET
Once
1
3
5
Item No.
5
1
0.
Item data
4
Press the UP switch until the data shown in the
item data box is changed from “0.15” to “0.25”.
UP
Twice
1
3
5
Item No.
5
2
0.
Item data