JEP0-IL9416
27
D - 3 Specifying CT primary rating
<< Example >> To change the primary current rating of the current transformer (CT) from 5A to 1,000 A:
(The same procedure can be applied when changing the CT Zero-phase primary current only by
changing the item number.)
Operation
Step Description
Switch Press
Indication
1
The setting mode starts. The
SETTING/CANCEL indicator LED
comes on and the item number blinks.
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
Mode selection (Setting
Æ
Forced
Operation
Æ
Option)
See the section D - 1 for how to
select mode.
(Omitted)
(Omitted)
0
0
1
0
0
0
8
Item No.
Item data
3
Select the item number “901” (CT
primary side).
UP
-
5
1
0
9
Item No.
Item data
A-
phase
B-
phase
C-
phase
Zero-
phase
kA
A
4
Make sure that the item number “901” is
shown in the box, and press the
SELECT/SET switch. The item data
box will start blinking, instead of the item
No. box, so that data can be changed.
SELECT/SET
Once
1
0
9
Item No.
5
Item data
5
Change the item data from “5” to “1000”.
UP
-
1
0
9
Item No.
0
0
0
1
Item data
6
Make sure that the desired data is
shown in the item data box, and press
the SELECT/SET switch to program
the data.
When it is detected that new data has
been programmed to be ready for
replacing the currently used setting, the
SET.END/TRIP indicator LED will blink.
At the same time, the item number box
will start blinking instead of the item data
box.
Note that the setting being used for the
current operation is still valid even if
another value has been programmed in
the item data box.
SELECT/SET
Once
0
0
0
1
1
0
9
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
