Alstom MiCOM P846, Technical Manual

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P846/EN GS/D Getting Started
(GS) 3-10 MiCOM P846
GS
Entry to the menu structure of the rel e from the default display and is not affected if
the display is showing the ‘Ala ent’ message.
1.8.2 Menu navigation and setting browsing
y the first column heading. To
the and keys. The setting data contained in
g the and keys. It is possible to return to the
1.8.3
d
directly above them on the LCD. Thus, to access the hotkey menu from the default display
w the “HOTKEY” text must be pressed. Once in the hotkey menu
1.8.3.1
available setting groups or
tton is pressed a screen confirming the current setting group is
s before the user is prompted with the <<NXT GRP>> or
1.8.3.2 s – user assignable functions
“CTRL I/P CONFIG” column. The chosen inputs can
be SET/RESET using the hotkey menu.
s” section in the Operation section (P846/EN
1.8.3.3
ption of the CB control via the hotkey menu refer to the “Circuit breaker control” section
of the Operation section (
P846/EN OP
).
ay is mad
rms/Faults pres
The menu can be browsed using the four arrow keys, following the structure shown in Figure
4. Thus, starting at the default display the
key will displa
select the required column heading use
the column can then be viewed by usin
column header either by holding the [up arrow symbol] key down or by a single press of the
clear key
.
It is only possible to move across columns at the column heading level. To
return to the default displaypress the key or the clear key from any of the column
headings. It is not possible to go straight to the default display from within one of the column
cells using the auto-repeat facility of the
key, as the auto-repeat will stop at the column
heading. To move to the default display, the key must be released and pressed again.
Hotkey menu navigation
The hotkey menu can be browsed using the two keys directly below the LCD. These are
known as direct access keys. The direct access keys perform the function that is displaye
the direct access key belo
the
⇐
and
⇒
keys can be used to scroll between the available options and the direct access
keys can be used to control the function currently displayed. If neither the
⇐
or
⇒
keys are
pressed with 20 seconds of entering a hotkey sub menu, the relay will revert to the default
display. The clear key
will also act to return to the default menu from any page of the
hotkey menu. The layout of a typical page of the hotkey menu is described below:
•
The top line shows the contents of the previous and next cells for easy menu navigation
•
The center line shows the function
•
The bottom line shows the options assigned to the direct access keys
The functions available in the hotkey menu are listed below:
Setting group selection
The user can either scroll using <<NXT GRP>> through the
<<SELECT>> the setting group that is currently displayed.
When the SELECT bu
displayed for 2 second
<<SELECT>> options again. The user can exit the sub menu by using the left and right
arrow keys.
For more information on setting group selection refer to “Changing setting group” section in
the Operation section (
P846/EN OP
).
Control input
The number of control inputs (user assignable functions – USR ASS) represented in the
hotkey menu is user configurable in the
For more information refer to the “Control Input
OP).
CB control
The CB control functionality varies from one Px40 relay to another. For a detailed
descri