25
Voltage loss event
When the meter detects one phase voltage meets voltage loss requirements and this
state lasts for the specified certain seconds, the meter will add 1 to total count of voltage
loss times. The starting time and ending time of the latest 10 voltage loss events will be
recorded. Besides, phase A, B, and C can independently record voltage loss event.
Current loss event
When the meter detects one phase current meets current loss requirements and this
state lasts for the specified certain seconds, the meter will add 1 to total count of current
loss times. The starting time and ending time of the latest 10 current loss events will be
recorded. Besides, phase A, B, and C can independently record current loss event.
Over current event
When meter current is over the set value and this state keeps for certain seconds, the
meter will add 1 to total count of over current events. The starting time and ending time
of the latest 10 over current events will be recorded. Besides, phase A, B, and C can
independently record over current event.
Total power factor over lower limit event
When total power factor of the meter is under the specified value and this state keeps for
certain second, the meter will add 1 to total count of power factor over lower limit events.
The starting time and ending time of the latest 10 total power factor over lower limit
events will be recorded.
4.15 Monthly Frozen Recording Function
The monthly frozen time is specified a
s 0 o’ clock of the first day of each month.
Freeze the last 12 months
’ total active energy and total active consumption credit
4.16 Daily Frozen Recording Function
The daily frozen time is specified as 0:00 of each day.
Freeze the la
st 31 days’ forward active energy, total active consumption credit
4.17 Update on Firmware
Remotely or locally update the energy meter via 485 or PLC communication interface.
The meter can normally display when issuing update patch. After successfully and
completely receiving it, the meter will enter update stat
us and “update” will be displayed
on LCD.
The meter will auto execute the new program after updating. While during the complete
remote update status, please make sure the meter is powered up.
4.18 Remote Prepayment Function
The
meter’s remote prepayment function (issue Token) will be realized via GPRS
communication module.
Summary of Contents for SEM 3P V2
Page 1: ...APL SEM 3P V2 Three phase Keypad Energy Meter Technical Manual ...
Page 34: ...29 Smart Meter User Manual ...
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