Low Level VI for ELVIS

[adnaan07]

Where can I get the low level VIs for ELVIS functionalities not currently exposed in LabView eg for Bode Analyzer, Arbitrary WaveForm Generator

[Matthew_W]

 Hi adnaan07,

 The ELVIS palette contains a number of Express VI's that will work with NI Elvis. These include the Bode Analyzer, etc. These are Express VI's that NI elected not to expose the sub vi's of. All the components necessary are contained within Labview, you could build the same functionality from the lower level VI's already available in the Labview function palette's.

Here's a very informative link about Express VI's if you are interested in developing.

 I hope this answers your questions!

 Best regards,

MatthewW
Applications Engineer
National Instruments

[adnaan07]

To clarify: I want to use the Bode Analyzer functionality programatically. However you only expose lower level VI for 4 thing; DMM, FGEN etc, not the Bode Analyzer. I could go into the higher level Bode Analyzer VI and get the sub VIs from that. But I was wondering if they were available without doing that.

Also how does Express VI come into the picture?

Thanks,
Adnaan

[Matthew_W]

 Hi Adnaan,

 The lower level VI's are just as you list: DMM, FGEN, etc. I'm sorry the Bode Analyzer low level's are not available.

 It looks like all of the controls for the BodeAnalyzer can be accessed from the block diagram, is this not the level of programatic control that you need?
 



 The Express VI link was included in case you we're interested in how to create these.

 Have a great weekend!

Best regards,

MatthewW
Applications Engineer
National Instruments

Message Edited by Matthew W on 09-28-2007 06:36 PM

[adnaan07]

Hi Matthew,

That would be good enough. Why don't I see those options in the Bode Analyzer icon. All I see is this.

Thanks,
Adnaan

[Hani R]

Hi Adnaan,

From what I can tell from the image, it appears that the Express VIs were not initialized.  When you place an Express VI on the block diagram, a configuration window will open.  Select the options that pertain to you and make sure you press the OK button to initialize the Express VI.  You should then be able to see the inputs and outputs of the Express VI on the block diagram. 

Message Edited by Hani R on 10-01-2007 11:51 AM

Message Edited by Hani R on 10-01-2007 11:52 AM

[adnaan07]

Thanks a lot that worked. Do you have example code that shows sample use of some of those express VI's, eg: the Arbitrary Waveform generator, Bode Analyzer?

Adnaan

[Hani R]

Hi Adnaan,

There are no shipping examples that come with NI ELVIS that use the Express VIs you mentioned.  However, you can find detailed help on all the Express VIs that NI ELVIS uses in the LabVIEW Help.  Post any specific questions if you are having trouble using them. 

Message Edited by Hani R on 10-02-2007 05:54 PM