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【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 >>
(1)
Operating current ..................... 0.15 A
(2)
Operating time multiplier........... 0.25
Step
Description
The setting mode starts. The
1
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.
Press and hold the UP switch to select the item
2
number "531" ("Operating current of earth fault
time-delayed element").
Check that the item "531" is certainly displayed
3
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.
Press the UP switch until the data shown in the
4
item data box is changed from "0.15" to "0.25".
To change the operating current and time of the earth fault time-delayed element to the following
values:
SELECT/SET
→
0.25 A
→
10
Operation
Switch
Press
SETTING/
Once
CANCEL
UP
-
Once
UP
Twice
16
Indication
Item No.
Item data
5
1
1
S E T T IN G /
U P
C A N C E L
D O W N
S E L E C T /
S E T
IN D ./
IN D I.E N D
S E T .E N D /
T R IP
R E S E T
Item No.
Item data
5
3
1
0.
Item No.
Item data
5
3
1
0.
Item No.
Item data
5
3
1
0.
2.
0
1
5
1
5
2
5
JEP0-IL9416
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