ND30-09D 39 User's manual
Data in the files archive is stored in the files in the directories (year, month
archive copy) - see Fig. 26. The file names are marked by day and time of
the first record and have the ddhhmmss.csv format, where: dd-day, hh-hour,
mm-minute, ss-second.
9.3 ARCHIVE FILES STRUCTURE
The archived data files are in the form of the columns, where each column
of data is separated by a comma. A column description is in the first line of
the file. Data records are sequentially arranged in the rows. An example of
the file is shown in Figure 27.
Fig.27. An example of the archive data file
The fields in the line describing the record have the following meanings:
date – date of data recording, date separator is the character "-"
time – hour, minute, second of recorded data, a time separator is the
character ":"
record index – unique index record. Each record has a unique number.
This number increases when writing new records.
block – reserved
register1 – Modbus register address of the first archived value
name1 – Modbus register description of the first archived value
value1 – first archived value. The decimal separator is ".", the values are
saved in a engineering notation format.
:
register16 – Modbus register address of the sixteenth archived value
name16 – Modbus register description of the sixteenth archived value
value16 – sixteenth archived value. The decimal separator is ".", the
values are saved in a engineering notation format.
name1, ...,name16 – description according to Table 8 (Displayed parameter).
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