Alstom MiCOM P846, Техническое руководство

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Getting Started P846/EN GS/D
MiCOM P846 (GS) 3-9
System
frequency
Date and time
3-phase voltage
Alarm messages
Other default displays
Column 1
Sytem data
Column 2
View records
Column n
Group 4
Overcurrent
Data 1.1
Language
Data 2.1
Last record
Data n.1
|>1 function
Data 1.2
Password
Data 2.2
Time and date
Data n.2
|>1 directional
Data 1.n
Password
level 2
Data 2.n
C – A voltage
Data n.n
|> char angle
Other setting
cells in
column 1
Other setting
cells in
column 2
Other setting
cells in
column n
Other column headings
Note: The C key will return
to column header
from any menu cell
C
C
C
P0105ENa
GS
Figure 4:
Alarms/Faults
Present
Front panel user interface
1.8.1 Default display and menu time-out
The front panel menu has a default display, the contents of which can be selected from the
following options in the ‘default display’ cell of the ‘Measure’t. setup’ column:
−
Date and time
−
Relay description (user defined)
−
Plant reference (user defined)
−
System frequency
−
3 phase voltage
−
3-phase and neutral current
−
Access level
From the default display it is also possible to view the other default display options using the
and keys. However, if there is no keypad activity for the 15 minute timeout period,
the default display will revert to that selected by the setting and the LCD backlight will turn
off. If this happens any setting changes that have not been confirmed will be lost and the
original setting values maintained.
Whenever there is an uncleared alarm present in the relay (e.g. fault record, protection
alarm, control alarm etc.) the default display will be replaced by: