Password Enable/Disable Option - Mitsubishi Electric melpto d series Operation Manual

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.
Step Description
1
Mode selection (Setting
Operation Option)
See the section D - 1 for how to select
mode.
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)
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.
4 Change the item data from "oF" (disable) to
"on" (enable).
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.
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.
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.
Switch
Forced
(Omitted)
SELECT/SET
SELECT/SET
To put in effect:
SET.END/TRIP
To cancel:
SETTING/
CANCEL
Operation
Press
(Omitted)
UP
―
Item No.
Once
9
Item No.
UP
Once
9
Once
Once
38
Indication
Item No. Item data
8 0 0 0 1
Item No. Item data
9 0 3 o F
Item data
0 3 o F
Item data
0 3 o n
Item No. Item data
9 0 3 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
Item No. Item data
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 0