5–28 PQM POWER QUALITY METER – INSTRUCTION MANUAL
A3 POWER ANALYSIS CHAPTER 5: MONITORING
5.4.4 Event
Recorder
FIGURE 5–20: Actual Values Page 3 – Event Recorder
The PQM Event Recorder runs continuously and records the number, cause, time, date, and
metering quantities present at the occurrence of each event. This data is stored in non-
volatile memory and is not lost when power to the PQM is removed. The Event Recorder
must be enabled in
S1 PQM SETUP \ EVENT RECORDER \ EVENT RECORDER
OPERATION
. The Event Recorder can be cleared in S1 PQM SETUP \ CLEAR DATA \
CLEAR EVENT RECORD
. Data for the 40 most recent events is stored. Event data for older
events is lost. Note that the event number, cause, time, and date is available in the
messages as shown in the following table, but the associated metering data is available
only via serial communications.
The event data stored for POWER OFF events does not reflect values at the
time of power-off.
EVENT RECORDS- EVENT NUMBER, EVENT CAUSE, TIME, DATE: These messages display
the 40 most recent events recorded by the event recorder.
]] ACTUAL VALUES
]] A3 POWER ANALYSIS
] EVENT RECORDER
]
3: POWER ON
12:00:00am 01/01/96
2: POWER OFF
12:00:00am 01/01/96
]] ACTUAL VALUES
]] A4 PRODUCT INFO
ACTUAL
1: CLEAR RECORDS
12:00:00am 01/01/96
] END OF PAGE A3
]
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NOTE
Courtesy of NationalSwitchgear.com
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