GE Multilin
N60 Network Stability and Synchrophasor Measurement System
6-21
6 ACTUAL VALUES
6.4 RECORDS
6
6.4RECORDS
6.4.1 EVENT RECORDS
PATH: ACTUAL VALUES
ÖØ
RECORDS
Ö
EVENT RECORDS
The event records menu shows the contextual data associated with up to the last 1024 events, listed in chronological order
from most recent to oldest. If all 1024 event records have been filled, the oldest record will be removed as a new record is
added. Each event record shows the event identifier/sequence number, cause, and date/time stamp associated with the
event trigger. Refer to the
COMMANDS
Ø
CLEAR RECORDS
menu for clearing event records.
6.4.2 OSCILLOGRAPHY
PATH: ACTUAL VALUES
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RECORDS
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OSCILLOGRAPHY
This menu allows the user to view the number of triggers involved and number of oscillography traces available. The
CYCLES PER RECORD
value is calculated to account for the fixed amount of data storage for oscillography. See the
Oscillog-
raphy
section of chapter 5 for additional details.
A trigger can be forced here at any time by setting “Yes” to the
FORCE TRIGGER?
command. Refer to the
COMMANDS
ÖØ
CLEAR RECORDS
menu for information on clearing the oscillography records.
6.4.3 DATA LOGGER
PATH: ACTUAL VALUES
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RECORDS
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DATA LOGGER
The
OLDEST SAMPLE TIME
represents the time at which the oldest available samples were taken. It will be static until the log
gets full, at which time it will start counting at the defined sampling rate. The
NEWEST SAMPLE TIME
represents the time the
most recent samples were taken. It counts up at the defined sampling rate. If the data logger channels are defined, then
both values are static.
EVENT RECORDS
EVENT: XXXX
RESET OP(PUSHBUTTON)
↓
MESSAGE
EVENT: 3
POWER ON
EVENT 3
DATE: 2000/07/14
MESSAGE
EVENT: 2
POWER OFF
EVENT 3
TIME: 14:53:00.03405
MESSAGE
EVENT: 1
EVENTS CLEARED
Date and Time Stamps
OSCILLOGRAPHY
FORCE TRIGGER?
No
Range: No, Yes
MESSAGE
NUMBER OF TRIGGERS:
0
MESSAGE
AVAILABLE RECORDS:
0
MESSAGE
CYCLES PER RECORD:
0.0
MESSAGE
LAST CLEARED DATE:
2000/07/14
15:40:16
DATA LOGGER
OLDEST SAMPLE TIME:
2000/01/14 13:45:51
MESSAGE
NEWEST SAMPLE TIME:
2000/01/14 15:21:19