Areva MiCOM C232 - Page 76

6 Local Control Panel
(continued)
6-20
C232-302-401/402/403/404-603 / C232/EN M/A23
Control Step / Description Control
Action
Display
0 In the menu tree ‘Oper/CtrlTest/LOC’ select
the ‘Param. change enabl.’ parameter.
Oper/CtrlTest/LOC
Param. change enabl.
No
1 Press the ENTER key. Eight asterisks (*)
appear in the fourth line of the display.
Oper/CtrlTest/LOC
Param. change enabl.
No
********
2 Press the following keys in sequence:
‘Left’
Oper/CtrlTest/LOC
Param. change enabl.
No
*
‘Right’
Oper/CtrlTest/LOC
Param. change enabl.
No
*
‘Up’
Oper/CtrlTest/LOC
Param. change enabl.
No
*
‘Down’
The display will change as shown in the
column on the right.
Oper/CtrlTest/LOC
Param. change enabl.
No
*
Now press the ENTER key. The LED indicator
labeled EDIT MODE will light up. This
indicates that the setting can now be changed
by pressing the ‘up’ or ’down’ keys.
If an invalid password has been entered, the
display shown in Step 1 appears.
Oper/CtrlTest/LOC
Param. change enabl.
No
3 Change the setting to ‘Yes’.
Oper/CtrlTest/LOC
Param. change enabl.
Yes
4 Press the ENTER key again. The LED
indicator will go out. The unit is enabled for
further parameter changes.
Oper/CtrlTest/LOC
Param. change enabl.
Yes
The same procedure applies to any parameter change unless the global change-
enabling function has been activated. This method is recommended for a single
parameter change only. If several settings are to be changed, then the global change-
enabling function is preferable. In the following examples, the global change-enabling
function has been activated.