C】 Forced Operation Mode (Item No. : "700" Range); Performing Forced Operation - Mitsubishi Electric melpto d series Operation Manual

Numerical protection relay
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【C】 Forced operation mode (Item No. : "700" range)
C - 1

Performing forced operation

<< Example >>
Step
Before starting the procedure of forced operation,
1
press the RESET switch to reset the output
contacts and operation indicator LEDs.
The setting mode starts. The SETTING/CANCEL
2
indicator LED comes on and the item number
blinks.
3
Mode selection (Setting
Mode is shifted from setting to forced operation.
Press and hold the UP switch to let the item No.
"542", which is the last number in the setting
mode, appear in the item No. box.
Release the UP switch.
Press the UP switch again for a second. The item
number shown will change from "542" to "700".
Release the UP switch again to complete the
mode selection.
Select the item number "710" (Contact X
4
Make sure that the item number "710" is shown in
5
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.
Instead of "oF" (disabled), select "on" (enabled)
6
for forced operation in the item data box.
A figure that appears in the lowest digit of the
item data box indicates the number of contacts
that have been selected for forced operation.
7
When the SELECT/SET switch is pressed for
programming, the SET.END/TRIP indicator LED
will blink indicating that the contact selected for
forced operation has been specified.
At the same time, the item number box will start
blinking, instead of the item data box.
Note that pressing the SELECT/SET switch here
will not execute the forced operation yet.
When the contacts X
element output) are both operated at the same time:
Description
Forced operation)
).
1
(earth fault time-delayed element output) and X
1
Operation
Switch
Press
RESET
Once
SETTING/
Once
CANCEL
UP
-
UP
Release
Press and
hold
UP
(for 1 sec.
or more)
UP
Release
UP
Once
SELECT/SET
Once
UP
Once
SELECT/SET
Once
19
(phase fault time-delayed
3
Indication
TRIP
I
>
I
>>
A
A
I
>
I
>>
B
B
I
>
I
>>
C
C
I >
I
>>
Item No.
Item data
5
1
1
2.
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
4
2
Item No.
Item data
7
0
0
o
F
Item No.
Item data
7
1
0
o
F
Item No.
Item data
7
1
0
o
F
Item No.
Item data
7
1
0
o
n
Item No.
Item data
7
1
0
o
n
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
JEP0-IL9416
0
1
1

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