LSIS XBE-DC08A, Руководство пользователя, Страница: 234 / 1284

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Chapter 5 Datalog Function
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5.3.6 How to Save CSV Files
High-performance XGB collects data every time the sampling condition occurs, saves them into the temporary buffer of the
SD memory, and saves them as CSV files when data log conditions occurs. When the data is saved as CSV files, PLC
generates a new file in the SD memory card to perform data saving.
1) File Conversion Test
Temporary files are converted to CSV files at the following points
At saving Setting Range
When the designated number of saves have been
completed in the temporary file
1000 ~ 32768
When the temporary file reaches the designated size 10KB ~ 16,384KB
When the file size exceeds 16,384KB Automatically converts to CSV files
2) Operation in Case of Exceeding the Number of Save Files
When the number of maximum saved files set by the parameter is exceeded, the following run occurs in accordance with
the set runs in case of file excess.
Operation Setting in
Case of Excess
Operation Note
Maintains the latest
history
Overwrites and saves new data over the oldest file
Maintains the initial
history
Performs no more file saving
Note
In case the SD memory is not capable of saving 256 files and the storage is full, the following run occurs in
accordance with the [History Setting] value in the parameter.
Maintains the latest history Saves file up to the full storage of SD memory, and continues saving into No. 0 file
Maintains the initial history Saves file up to the full storage of SD memory, then stops data saving