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 Problems with tdms export

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marcel1992 Posted - 09/30/2020 : 02:49:00 AM
Origin Ver. and Service Release (Select Help-->About Origin): 2020b pro
Operating System: Windows 10
Hello together,
I have some problems with tdms data and maybe someone has an idea:
My testbench saves tdsm data with 10kHz sample rate on all channels.
I can't reduce the sample rate and I can't delete non used channels. That means that the test bench produces 1.7Gb data every 30min.
When I delete all columns that I don't need I got a data size of 1.1Gb.
There are some temperature channels in the data which I like to decimate to 1Hz sample rate. The pro function of Origin makes this really easy but: If I export this data (still tdms), one of the two new generated columns with the decimate data disappeared. Maybe it's a problem with tdms but I need the smallest data size I can get so I have two questions.
1.) Is there a data type available which is really small (binary) except tdms?
2.) What is the problem with the disappeared measurement column if I export in tdms?
3   L A T E S T    R E P L I E S    (Newest First)
snowli Posted - 09/30/2020 : 12:05:35 PM
Hi Marcel,

I emailed a dropbox link for you to upload files.


Thanks, Snow
marcel1992 Posted - 09/30/2020 : 07:19:55 AM
Hello Shirley,
if I try to send the data via FTP server, I got an issue message regarding the host name.
Host Name: ftp.originlab.com
Host Type: automatic detect
Login: anonymous
Password: your email address
Are there some issues known?
Shirley_GZ Posted - 09/30/2020 : 04:51:59 AM
Hi Marcel,

Would you please send us a sample project with the source tdsm data via tech@originlab.com? We need check why the "If I export this data (still tdms), one of the two new generated columns with the decimate data disappeared" happens.

About how to send us a large file, please refer to this page, https://www.originlab.com/index.aspx?go=Support/SendFilestoSupport

Thanks,
Shirley
OriginLab

Originlab Technical Service Team

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