64
6.5 Data Logging File
The target data of the data logging are saved in the data logging file.
6.5.1 Saving format of the data logging file
Data logging files are saved in the CSV format (the extension is ".CSV"). The CSV file format is a format of the files
that can be opened by general applications, such as Excel and Notepad. For the CSV file output format, refer to Page
33, Section 3.3.
6.5.2 How sampled data are saved
The following shows how sampled data are saved to an SD memory card.
Sampled data are stored in the specified buffer. The data in the buffer are saved to the SD memory card at the timing
of file saving. If all available space of the buffer is used up, the old data that have already been saved to the SD
memory card will be overwritten in chronological order.
:
18:55:18 67,723,36,0
18:55:19 68,741,36,0
18:55:20 69,712,36,1
18:55:20 70,724,36,1
18:55:20 71,732,36,1
18:55:20 72,733,
18:55:16 65,725,36,1
18:55:17 66,756,36,0
:
18:55:18 67,723,36,0
18:55:19 68,741,36,0
18:55:20 69,712,36,1
18:55:20 70,724,36,1
18:55:20 71,732,36,1
18:55:20 72,733,
18:55:16 65,725,36,1
18:55:17 66,756,36,0
:
18:55:18 67,723,36,0
18:55:19 68,741,36,0
18:55:20 69,712,36,1
18:55:20 70,724,36,1
18:55:20 71,732,36,1
18:55:20 72,733,
18:55:16 65,725,36,1
18:55:17 66,756,36,0
Stack file
Saved file
Saved file
1st sampling data
2nd sampling data
Device
area
Buffer
SD memory card
Collects data of the
specified device.
CPU module
Buffer capacity for setting 1
3rd sampling data
nth sampling data
Saved to SD
memory card.
Data are temporarily stored in a stack
file, which is changed to a saved file
at file switching timing.
( )
Page 65, Section 6.5.3
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