E-Mon E-PS-A-RTU-N - Manual (Page 80)

Chapter 4 Power
S O F T W A R E C O N F I G U R I N G R E C O R D E R S
80 PowerSmart+ Advanced Power Quality Meter
Option Range Description
Num. of Records 0-65535 Allocates the file memory for predefined number of records
Record size The size of the file record for a single channel or a section. Set
automatically depending on the file and on the number of
parameters in the data record
Parameters 0-16 The number of parameters in a single data record (not including
the EN50160 statistics files)
Memory is allocated for each file statically when you set up your files and will not change
unless you re-organize the files. The meter automatically performs de-fragmentation of the
memory each time you re-organize your files. This helps keep all free memory in one
continuous block and thus prevents possible leakage of memory caused by fragmentation.
To change the file properties or to allocate the memory for a new file, double click on the
file partition you want to change, select desired parameters for your log, and click OK. For
your reference, the record size and the number of records available for your file are
reported in the dialog box.
To delete an existing file partition, click on Delete and then click OK.
The following table shows how to calculate a file size for different log files.
File Record Size, Bytes File Size, Bytes
Event
Log 20 Record size × Number of records
Data Log 12 + 4 × Number of parameters Record size × Number of records
EN50160 Compliance
Statistics, Data log #9 148 (per channel) × 12 Record size × Number of records
EN50160 Harmonics
Survey, Data log #10 220 (per channel) × 3 Record size × Number of records
TOU Profile Log, Data
log #16 12 + 4 × (Number of season
tariffs + 1 if the TOU summary
register is ordered) Record size × Number of TOU registers x
Number of records (× 2 if the maximum
demand profile is also ordered)
Waveform Log 1068 (per channel) Record size × Number of Channels x
Number of series (events) × Number of
records per series
EN50160 Power Quality
Log 32 Record size × Number of records
For more information on configuring specific files, see “Configuring Data Log Files” and
“Configuring Waveform Files” below.
The memory is pre-configured for common data trending and fault recording applications
as shown in the following table.
No. File Type Size,
Bytes
Channels Number of
Records
Number of
Events
Description
1 Event log Wrap
around 20000 1000 1000
2 Data log #1 Wrap
around 109440 1440 1440 Configured for data
trending
3 Data log #2 Wrap
around 109440 1440 1440 Configured for data
trending
10 Data log #9 Wrap
around 21312 12 12 12 Configured for
EN50160
compliance statistics
11 Data log #10 Wrap
around 7920 3 12 12 Configured for
EN50160 harmonics
survey
18 Waveform log #1 Wrap
around
256320 6 40 20 32 samples/cycle
x 32 cycles/series
19 Waveform log #2 Wrap
around
256320 6 40 20 128 samples/cycle
x 8 cycles/series
EN50160 Power
Quality log Wrap
around 32000 1000 1000