Creating VTEDS files with LabVIEW with calibration curves?

[BertMcMahan]

I have a handful of voltage output sensors for which I'd like to create some VTEDS files. We have calibration curves that are better than linear scale factors and it seems the best way to handle this is to either use custom scales or VTEDS files and feed that information into DAQmx directly. VTEDS files provide a nice single file with all of my calibration in it, so it seems like that's the way to go.

However, there seems to be basically no information on using VTEDS newer than like 2010. The VI's given in the TEDS package are essentially undocumented. The single example (!) that ships with LabVIEW shows the creation and editing of this type of sensor (template 30) but there's no information on how to create a VTEDS file with a calibration curve instead of a linear calibration option.

I can't find any information on the data type that the TEDS VI's throw around, and I can't find any documentation on how the Edit TEDS vi's work and what exactly they do.

Am I missing a bunch of documentation somewhere?

[RVallieu]

I am frustratingly finding the same total lack of VI documentation and Example Code for the TEDS of various Calibration Flavors.

I have a bank of 32 load cells that need to be calibrated - using a 5 point calibration and generating a polynomial fit on the Forward calibration, and then store it using the TEDS VIs on the load cells.

Ideally I would like to use Template 41 Calibration Curves - but there are no examples showing how to convert to this template or reconstitute.  I could just write my calibration polynomial to the USER DATA section using my own format, but that seems like reinventing the wheel.

I did find this with NI logos on the IEEE website https://standards.ieee.org/develop/regauth/tut/teds.pdf

and a presentation on how to create a TEDS sensor: http://ieee1451.nist.gov/Family_060804_Files/How%20to%20Create%20an%20IEEE%201451.4%20Sensor.pdf

[SamuRei]

Hey there,

I'm not sure if you have seen this instruction page or the associated example, but take a look:

How Do I Create a Virtual TEDS for My Transducer/Sensor?

http://digital.ni.com/public.nsf/allkb/B0B0FFA7203ACC168625714300680CA0

Hope this helps!