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View the alarm: Press
◀▶
on the main screen until AL is displayed in the current measurement data display area, ALM is displayed
in the measurement data area, and then press the Enter key. You can view the last 16 alarm records (Last Alm) in chronological order
and view alarm records by alarm type.
APM series of meters can record 66 kinds of alarms, divided into 13 kinds of alarm categories (AT01 overcurrent, AT02
undercurrent, etc., see Table 2), each type of alarm includes a number of alarm subcategories (for example, the AT01 overcurrent alarm
includes Phase A overcurrent, Phase B overcurrent, Phase C overcurrent, etc., see Table 2). Each alarm subclass can record up to 16
alarm records. When there are 16 or more alarm records, the principle of first in, first out is implemented. The newly generated alarm
will automatically overwrite the oldest record. Each alarm record contains the alarm value, alarm group, alarm action (action or
recovery), and alarm time. If an expansion module (including a TF card) is purchased, all alarm data will be automatically
synchronized to the TF card for storage.
Note: The TF card cannot record all more than 16 alarm records that were simultaneously generated within 2 seconds.
Alarm records
The last 16 alarm records
Overcurrent alarm
The lst last alarm record
Phase A overcurrent alarm
No.1 record of Phase A overcurrentThe lst last alarm record
200 alarm logs are recorded
Overcurrent alarm,28 logs are recorded.
Phase A overcurrent alarm
,8 logs are recorded.
①Action of the first alarm
group （ALM1）(Pu:Alarm
acts,do:Alarm is released),the
value of alarm is 5.500A, the
time of alarm is 2017-2-18 2:17.
The alarm type is Phase A
overcurrent of overcurrent alarm.
Other 15 alarm records
Other Phase A overcurrent alarm
Refer to ①
Other types of alarm
Other types of alarm
Every logs of the last 16
alarm records consists of
two interfaces
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