Taking Measurement from DAQmx Device

[murali_vml]

I want to measure different parameters such as Strain,Temperature & if iam using DAQmx vi's,Do i need to create the "DAQmx Create virtual Channel.Vi" for configuring each parameter i measure separately and use the same number of DAmx read vi's or is there any other way?

[Nirmal_Sharma]

Hi,

If you create virtual channels, you can use virtual channels directly in your software program to get the engineering values for strain, temperature etc.

If you dont make virtual channels then in your software program, u need to perform all the setting which becomes sometime difficult. And you get voltage for each channel & then u need to convert into engineering values.

So to omit programming burdens, better is to go for virtual channels.

Hope it gives a clear picture. Your feedbacks are welcome.

Best Regards,
Nirmal Sharma
India

[murali_vml]

Hi,
Thanks for your response,

Iam entering the parameter settings of different sensors thru my Configuration program in that case i will not able to use Virtual channel(b'coz settings in MAX will not take into effect if i read the settings which i had set in my prog),Now in this situation which will be a effective solution using DAQmx Vi's or Traditional DAQ vi's for acquisition?

Regards
Murali

[Nirmal_Sharma]

Hi Murali,

Most of settings for a strain or temperature can be completed in MAX only. Still if any other settings you need to perform, you can set in the program.

I feel combination of virtual channel in MAX & performing remaining or desired settings through software may fulfil your requirement.


Still if your problem is not solved, specify what exact settings you want to do.


Best Regards,
Nirmal Sharma
India

[murali_vml]

Hi Nirmal,

I got ur point of setting the parameters in MAX,My application is such that i need to make settings
of a SCXI-Module in my program instead of MAX(Settings such as Filter,Bridge Configuration,etc..)
i specifically don't want to use MAX for doing these settings(since iam entering all settings required in my configuration
prog.)I understand that if i need to apply these settings during acquisition i have to use "AI Parameter.Vi".

Since i may be using different modules such as 1520,1102,1540(i hope u can picturize my configuration)

Now,in this case using DAQmx vi's for acquisition will an easy one or using Traditional
NI-Daq vi's.I have not used DAQmx vi's so far,But i see u can configure the measurement
parameters
directly using a single Vi(DAQmx create Virtual Channel.vi).In my application
i have different measurement parameters,do need to configure these separately?(say by using
different number of configuration vi's for each parameter or anyotherway suggest me).

Or you would suggest using traditional DAQ vi's only is better?

Thanks in Anticipation
Murali