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X value from LVM data is not showed in frontpanel table

Hello,

 

Im having a slight problem when importing LVM data into a table in Labview frontpanel. The X-value (which represents time) doesnt appear on the table. Only the Y-values will be showed. What are the modifications that I should do to overcome this problem?

 

Attached are my .vi data and also .lvm data 

 

LVM DATA :

 

LabVIEW Measurement

Writer_Version 1.00

Reader_Version 1.00

Separator Tab

Multi_Headings No

X_Columns One

Time_Pref Relative

Date 2010/10/26

Time 11:18:44.625

***End_Of_Header***

Channels 2

Samples 409500 409500

Date 2010/10/26 2010/10/26

Time 11:18:44.625 11:18:44.625

X_Dimension Time Time

X0 0.000000 0.000000

Delta_X 0.000008 0.000008

***End_Of_Header***

X_Value Channel 00 [V] Channel 01 [V] Comment

0.000000 1.771725 1.252918

0.000008 1.766232 1.253529

0.000016 1.775692 1.254444

0.000024 1.804685 1.254444

0.000032 1.783017 1.250172

0.000040 1.786679 1.249867

0.000048 1.805600 1.246204

0.000056 1.781186 1.250172

0.000064 1.785763 1.246510

0.000072 1.770199 1.245289

0.000080 1.792477 1.245594

0.000088 1.769894 1.244984

0.000096 1.782712 1.245594

0.000104 1.784238 1.241322

0.000112 1.770199 1.241627

0.000120 1.779355 1.239490

0.000128 1.755245 1.240406

0.000136 1.787289 1.238270

0.000144 1.780881 1.233387

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Hi there!

 

I think this may be caused by the fact that the .lvm file reads 2 channels - the two voltages in this case, and the time stamp is classed as a row header. In this case, could you try changing the Table Express table properties to enable the "show row headers" button.

 

If this doesn't work, further investigation to check the file data could be made by applying a "Convert from Dynamic Data" function and then adding an indicator to it automatically. This can be done anywhere on the dynamic data line outside of the while loop (between the while loop and the Build table function perhaps?). This will allow you to see what is going on with the input file data.

 

Please let me know how you get on and I hope this helps.

Liam A.
National Instruments
Applications Engineer
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