TH2883 Series Operation Manual Chapter 8 SCPI Command reference
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8.5 Waveform data format
The waveform data is transferred in ASCII character string format. The specific format is as
follows:
Standard waveform data transfer format:
<DATA[1][0]><DATA[1][1]><DATA[2][0]><DATA[2][1]><DATA[3][0]><DATA[3][1] ……
<DATA[5999][0]> <DATA[5999][1]> <NL^END>
Figure 8-5-1 data format
Measured waveform data transfer format:
<DATA[1][0]><DATA[1][1]><DATA[2][0]><DATA[2][1]><DATA[3][0]><DATA[3][1] ……
<DATA[1199][0]> <DATA[1199][1]> <NL^END>
Figure 8-5-2 data format
As shown in Figure 8-5-1, NL is the line break, which means the end of the string and its ASCII
code is 10; ^END is the EOI (end) signal of bus IEEE-488. If the queried waveform data exists, the
instrument return the ASCII character string and the end character <NL ^ END> of waveform data;
if the waveform data does not exist, the instrument directly return back to the end character <NL ^
END>. Figure 8-5-1 shows that each waveform data point is returned in two character data, the two
For example: IVOLT:DEL 200us，us can not be the unit of the impulse
voltage.
Data too long! Data is too long.
For example: The number of characters for a file name can not exceed
12 characters and numeric parameter, 10 characters.
File not exist! Load a file that is not available.
Out of file range! For example:WrtCmd(“MMEM:STOR:STAT 105,“#TH2883*”)
where, 105 is out of file range, the maximum is 100.
Trigger ignores! When TH2883 is in the testing state, all trigger signals will be ignored.
Command ignores! Some command may be ignored.
For example: DISP:PAGE MSET
When TH2883 is in the testing state, this command will be ignored.
Error syntax! For example:WrtCmd(“MMEM:STOR:STAT 105,“#TH2883*”)
If there is no “ ” added in the file name #TH2883*, this error message
will pop up.
File already exist! The input file already exists. For example: MMEM:STOR:STAT2,
TH2883, if file 2 already exists, this error message will pop up.
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