GE Multilin G650, Manual

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4-38 G650 Generator Protection & Control System GEK-113285A
4.2 HUMAN MACHINE INTERFACE (HMI) 4 HUMAN INTERFACES. SETTINGS & ACTUAL VALUES
4
4.2.5.4 SNAPSHOT EVENTS
To enter this menu press the shuttle key when the option Snapshot events is selected in main menu (). In this menu all the
snapshot events stored can be displayed.
Snapshot events are changes in the relay internal status.
One snapshot event is displayed in two text screens:
The first screen display the status, date and time of the snapshot event: the snapshot event identifier, its status,
event number and the date and time of the occurrence. If the snapshot event identifier does not fit the first line, the
whole text will be shown using as well the second line alternating with the status and event number.
The second screen displays currents and voltages in primary values for that particular snapshot event. Ia, Ib, Ic
and Ig for currents and Vab, Vbc, Vca and V0 for voltages. To access the metering screen in snapshot events
menu, press shuttle key from the snapshot event first screen. To exit from the metering screen press ESC.
To select different snapshot events to be displayed, rotate the shuttle key to select the snapshot event and then press the
shuttle key to enter the metering screen. Press esc to exit the metering screen and return to snapshot events menu.
Figure 4–19: shows an example of snapshot events navigation:
Press shuttle key from the default main screen and enter in the main text menu.
Move the shuttle key until a single scroll bar character ( † ) appears in the left
part of Snapshot event header.
Press shuttle key to enter in the snapshot events menu)
Select the snapshot event to display using the shuttle key (left and right to
move up and down inside the recorded snapshot events).
Once selected the snapshot event, identifier, status, date and time will be
displayed.
In the second line St: is showing the status and the relative snapshot index from
the whole recorded number. Third and fourth lines are used to display the time
and date of the snapshot event.
Pressing the shuttle key the metering screen for the snapshot event will be
displayed.
To exit from this screen press the ESC key and return to the snapshot events
menu.
Figure 4–19: SNAPSHOT EVENTS NAVIGATION IN HMI
19200N81: MODBUS : 254
Actual Values
Ů Snapshot event
Fault report
View Settings
ENTER
ESCAPE
Breaker Closed ON >
St: ON (4/479)
Time: 16:35:02.027
Date: 04/May/2006
ENTER
ESCAPE
Isolated Gnd3 Block>
St: OFF (5/479)
Time: 16:35:01.995
Date: 04/May/2006
L-R
Ia 0.000 Vab 0.000
Ib 0.000 Vbc 0.000
Ic 0.000 Vca 0.000
Ig 0.000 V0 0.000
ENTER
ESCAPE
G650 3.74 (4.10)
GENERAL ELECTRIC
G650MZDF2G1HIR
19200N81: MODBUS : 254
Actual Values
Ů Snapshot
event
Fault report
View Settings
ENTER
ESCAPE
Breaker Closed ON >
St: ON (4/479)
Time: 16:35:02.027
Date: 04/May/2006
ENTER
ESCAPE
Isolated Gnd3 Block>
St: OFF (5/479)
Time: 16:35:01.995
Date: 04/May/2006
L-R
Ia 0.000 Vab 0.000
Ib 0.000 Vbc 0.000
Ic 0.000 Vca 0.000
Ig 0.000 V0 0.000
ENTER
ESCAPE