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13-37
IM 701210-06E
Saving and Loading Data
13
Explanation
The results of the automated measurement of waveform parameters can be saved in
CSV format (.CSV extension) to a floppy disk, a Zip disk, a PC card, an external SCSI
device, the internal hard disk (optional), or the USB storage device.
A CSV file is a comma-separated format file. The CSV file is one of the common file
formats used to exchange data between spreadsheet and database applications.
The data that are saved are the measured results of the parameters that are specified in
the automated measurement of waveform parameters.
Notes When Saving the Results of the Automated Measurement of Waveform
Parameters
The restrictions are as follows.
• Up to (48000/the number of items that are turned ON) data points before the point at
which the save operation is executed are saved. However, the data points that are
saved are limited to those that are acquired after fixing T/div, record length, and
Measure settings.
• Output Example
“CH1 P-P”,
“CH1 Max”,
“CH1 Min”,
“CH2 P-P”
“V”,
“V”,
“V”,
“V”,
0.500E+00,
0.500E+00,
0.000E+00,
0.02E-06
Oldest data
0.375E+00,
0.375E+00,
0.000E+00,
0.02E-06
0.313E+00,
0.188E+00,
-0.125E+00,
0.02E-06
•
•
•
•
↓
•
•
•
•
•
•
•
•
•
•
•
•
Newest data
For a description of the automated measurement of waveform parameters, see
section 8.2.
Data Size
The data size can be derived from the following equation.
Data size = the number of items
×
15
×
the number of history waveforms (bytes)
Data Extension
The extension is .CSV.
The selection of the medium and directory, file name, comments, auto naming function,
specification of the files to be displayed in the File List window, and properties are the
same as those for saving/loading normal waveform data.
For details, see section 13.7, “Saving/Loading the Waveform Data.”
Note
•
An error occurs, if a key other than the Abort key is pressed while saving a file.
•
This function cannot be used when using the FTP server function, network printer function,
or the Web server function.
•
If you change the measurement conditions after performing automated measurement of
waveform parameters, the measured results are cleared. At this point, the measured
results after the change are displayed on the screen, but they cannot be saved to a file.
•
If waveform parameters are measured while the sub waveform window of the dual capture
function is showing, the waveform parameters shown in the sub waveform window are
measured. Therefore, if you set the trigger mode to Log and change Capture Num
(waveform number displayed in the sub waveform window) while making measurements
using the dual capture function, the measurement results of waveform parameters
become misaligned with the waveform numbers. If you wish to save the results of the
automated measurement of waveform parameters after changing Capture Num, execute
History statistics to align the measurement results of waveform parameters with the
waveform numbers before saving the data.
13.10 Saving the Results of the Automated Measurement of Waveform Parameters