Mitsubishi Electric melpto d series, Operation Manual

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JEP0-IL9416 38
D - 9 Password enable/disable option
This function is available in the case of the relay with RS232C I/F.
This function provides security for the relay setting.
Once the password was set enable, the password is necessary when pressing the button of setting.
And if the password was set disable, anybody can enter the setting mode by pressing the button of setting.
<< Example >> Change the password enable/disable function from disable to enable.
Operation
Step Description
Switch Press
Indication
1
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
2 Select the item number “903” (Relay password
enable/disable option).
At this time, the current option status will be
displayed in the item data box.
Enable = “on”
Disable = “oF” (set at time of shipment)
UP
―
F o 3 0 9
Item No. Item data
3 Make sure that the item number “903” is shown
in the box, and press the SELECT/SET
switch. The item data box will start blinking
instead of the item No. box.
SELECT/SET
Once
3 0 9
Item No.
F o
Item data
4 Change the item data from “oF” (disable) to
“on” (enable).
UP
Once
3 0 9
Item No.
n o
Item data
5 Make sure that the desired data is shown in the
item data box, and press the SELECT/SET
switch to program the data.
With the “on” data, the SET.END/TRIP indicator
LED will blink.
At the same time, the item No. box will start
blinking instead of the item data box.
Notice that at this status the “on” data is not put
into effect.
SELECT/SET
Once
n o 3 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
6
-
To execute password enable, press the
SET.END/TRIP switch, the relay
password will become effective. The data
programmed will be implemented and
complete the procedure.
-
To cancel the data programmed without
implementing, press the
SETTING/CANCEL switch. The data
programmed will be all cleared to terminate
the procedure.
To put in effect:
SET.END/TRIP
To cancel:
SETTING/
CANCEL
Once
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
Note) To change relay password enable/disable function from “on” (enable) to “oF” (disable), the relay password
inputting is necessary. At that time, please refer to
【
B
】
Setting mode of this manual to input password.