Accura 2300/2350 User Guide
Chapter 5 Measurement Description
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2011 Rootech Inc. All Rights Reserved
Page 207
Aggregation 5
1-hour
10
10 hours
0-9999
Aggregation 6
6-hour
10
60 hours
0-9999
Aggregation 201
1
2-second
-
-
-
Aggregation 202
2
-
-
-
-
1. Measurement values that are displayed at Accura 2300 LCD screen: 2-second aggregation measurement value updated
every 0.5-second.
2. Max/Min measurement values that are displayed at Accura 2300 LCD screen: Max/Min values among the 0.5-second
measurement values after the user-reset.
Customed aggregation
Accura 2300 provides 5 customized aggregations 11 to 15 that allow the user to arbitrarily set the offset time
for the aggregation interval and the interval start.
If the offset setting is 0, the start of the aggregation interval corresponds to 0: 0: 0: 0. For example, if you
want to collect average data at 1 hour intervals at 10 minutes of each hour, you can select one of
aggregations 11 to 15, set the aggregation interval for this aggregation to 3600 seconds, and set the
aggregation offset time to 600 seconds.
Aggregation name
Aggregation interval
Buffer length
Buffering time
Circular index
Aggregation 11
default 3-second
22
66 seconds
0-9999
Aggregation 12
default 15-minute
12
180 minutes
0-9999
Aggregation 13
default 2-hour
10
20 hours
0-9999
Aggregation 14
default 12-hour
10
120 hours
0-9999
Aggregation 15
default 1-day
10
10 days
0-9999
Event aggregation
If activated event is detected, measurement data during 3-frame[at the time of generation/before 0.5-
second/after 0.5-second] is indexed and stored separately into “Aggregation 200” space. By collecting the
stored event aggregation data[measurement data/1-cycle RMS voltage], detailed analysis of situation
before/after the time of event generation can be done.
Aggregation name
Aggregation interval
Buffer length
Buffering time
Circular index
Aggregation 200
1.5-seconds
1
100
-
0-999
1. If activated event is detected, measurement data during 3-frame[at the time of generation/before 0.5-second/after 0.5-
second] is stored at circular buffer.
Aggregation Data Collection
If you select one aggregation, the selected aggregation data is collected through Modbus map. Because the
aggregated data is stored in the circular buffer of Accura 2300 for a certain period of time, aggregation
measurement values can be acquired more flexibly in time.
As shown in the tables above, the recent index of the aggregation can be easily found because the index is
rotated in the range of 0-9999 or 0-999, which is larger than the circular buffer size.
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