YOKOGAWA Daqstation DX2020 User Manual

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IM 04L42B01-01E
1.4 DataStorageFunction
This section explains the types of data that the DX can record and how to store them.
ForinformationaboutthedatastoragefunctiononDXswiththe/AS1advanced
securityoption,seetheAdvanced Security Function (/AS1) User’s Manual,
IM04L41B01-05EN.
DataTypes
The types of data that the DX can record are as follows:
DataType Description
Display data • Waveformdatadisplayedonthetrenddisplay.Themeasureddataisrecordedasaspecified
sampling interval. The sampling interval is specified using the trend interval.
• Theminimumandmaximumvaluesamongthemeasureddatawithinthesamplingintervalare
saved.
• Aheaderstring(commontootherfiles)canbewritteninthefile.
• Thedisplaydatacontainsalarmandmessageinformation.
• Dataformat:Binary(Undisclosed)
Event data • Measureddatathatisrecordedataspecifiedsamplinginterval.Therearetwomodes.One
mode starts recording when a trigger event occurs. The other mode records at all times.
• Aheaderstring(commontootherfiles)canbewritteninthefile.
• Theeventdatacontainsalarmandmessageinformation.
• Dataformat:Binary(Undisclosed)
Manual sampled data
• Instantaneousvalueofthemeasureddatawhenamanualsampleoperationisexecuted.
• Aheaderstring(commontootherfiles)canbewritteninthefile.
• Data format: Text
Report data (/M1 and /PM1 options)
• Hourly,daily,weekly,andmonthlyreportdata.Reportdataiscreatedatanintervalthatis
determined by the report type (one hour for hourly reports, one day for daily reports, and so on).
• Aheaderstring(commontootherfiles)canbewritteninthefile.
• Dataformat:Text
• ThedatacanbeconvertedtoXMLspreadsheetdata(releasenumbers4andlater).
Snapshot data (screen image data)
• TheimagedataoftheDXscreenwhenthesnapshotoperationisexecuted.
• ThedatacanbesavedtoaCFcard.
• Dataformat:PNG
Setup data • ThesetupdataoftheDX.
• Dataformat:Binary(Undisclosed)
Custom Display Setup Data
• ThecustomdisplaysetupdataoftheDX.
• Dataformat:text
• Displaydataandeventdata
Display data can be likened to the conventional recording on the chart sheet and
are useful for long-term recording. Event data is useful when you wish to record the
measured data in detail.
Measured data per
scan interval
Display data
Event data
Sampling interval of display data
Scan interval
Time
Sampling interval of event data
Maximum value per sampling interval
Minimum value per sampling interval
Instantaneous value during sampling

YOKOGAWA Daqstation DX2020 Specifications

General

Brand	YOKOGAWA
Model	Daqstation DX2020
Category	Recording Equipment
Language	English