Appendix 3 Ascii Header File Format - YOKOGAWA DL7440 User Manual
Digital oscilloscope
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Also See for DL7440:
- User manual (55 pages) ,
- User manual (176 pages) ,
- Operation manual (29 pages)
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Appendix 3 ASCII Header File Format
App-16
$PublicInfo (Common Information)
FormatVersion:
Header file version number (common to YOKOGAWA's header
files)
Model:
Model name
Endian:
Endian mode when saving data (Big/Ltl)
DataFormat:
Storage format of the binary waveform data (Trace/Block)
GroupNumber:
The number of "$Group"s indicated below
TraceTotalNumber: Total number of selected waveforms
DataOffset:
Start position of the binary waveform data
$Group1 (Group Information)
TraceNumber:
Number of waveforms in this group
BlockNumber:
Number of blocks in this group
TraceName:
Name of each waveform
BlockSize:
Number of data points in a single block of each waveform
VResolution:
Value of coefficient VResolution of the Y-axis conversion equation
of each waveform
VOffset:
Value of coefficient VOffset of the Y-axis conversion equation of
each waveform
VDataType:
Type of binary file waveform data for each waveform
VUnit:
Unit used on the Y-axis of each waveform (no effect on the data)
VPlusOverData:
Error data when the binary data of each waveform is greater than
or equal to this value
VMinusOverData:
Error data when the binary data of each waveform is less than or
equal to this value
VMaxData:
Maximum value of binary data for each waveform
VMinData:
Minimum value of binary data for each waveform
HResolution:
Value of coefficient HResolution of the X-axis conversion equation
of each waveform
HOffset:
Value of coefficient HOffset of the X-axis conversion equation of
each waveform
HUnit:
Unit used on the X-axis of each waveform (no effect on the data)
Date:
Date when waveform acquisition was completed
Time:
Time when waveform acquisition was completed
For details on 1 to 7, see the next page.
$PrivateInfo (Model-Specific Information)
ModelVersion:
Version number of the instrument
DisplayBlockSize:
Length of the data displayed on the screen (display record length)
DisplayPointNo.:
Value indicating the memory position (n
corresponding the left end of the display record length.
(display offset, 1 when the specified record length = display record
length)
PhaseShift:
Phase information (lead: –, delay: +)
PTraceName:
Name of each waveform
* Actual display offset of the phase-shifted waveform = DisplayPointNo. – PhaseShift
4
5
5
7
7
1
2
3
6
th
point in the memory)
IM 701450-01E
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