Automing instruments LabVIEW without using specific and coding drivers for each instrument?

Hello

I'm new to programming in labVIEW, but I had a few questions about its use in automation and remote controlling several instruments.

It is an ideal software for automation of various instruments remote control/test. Assuming that I have several different companies spectrum analyzers, I understand that labVIEW drivers of instruments or special VI who would control these instruments. But if I wanted that all these spectrum analyzers to say, to display on another computer using the remote control, but I wanted to use the same program for effeciency, is it possible to do so universally for all instruments using labVIEW? Or do I have to adapt this program for each instrument to instrument drivers cause?

If labVIEW can do that, is - anyone had good success for such scenarios in other programming languages?

Thanks in advance for your help.

Look for the Abstraction Layer material (that you can implement with LabVIEW, even if it's a slightly advanced topic).

The idea of having a specific Test and be able to enforce it against different Instruments, decided at run time, is the kind of situation that LabVIEW and use of HALs was designed to facilitate.

The concept is to 'Levels of Abstraction'.  When you create a test, you can design it for an abstract Framistan, since all the Framistans are supposed to be able to measure Vorbels in the range of 0 to 100, so you just plug a generator of Vorbel to generate Vorbels in a certain sequence of Test (linear, random, quickly, slowly, pulsatile, continuous, you decide), measure your Abstract Framistan records readings and compare with the results you expect write the results in a nice report.

Of course, Framistat of OR uses Ethernet as the means of communication, while HP uses a serial port (depending on the model, series settings can change) and uses of the Intel one. DLL to communicate with the low-level API.  So you also need to develop, for each specific instrument, an "interface" between its API and the Framistan abstract (not everyone uses Vorbels as the input unit, for example).

So the good news is that it can be done, the bad news is that one of the best ways of handling this type of question on the programming is to use OOP (OOP).  A number of languages (LabVIEW, C++, JAVA) support OOP, but LabVIEW might have the advantage when it comes to interact with the material.

I you are looking for Hardware Abstraction Layer?  Add LabVIEW to the search query and you should find some nice presentations by Elijah Kerry...

Bob Schor

Tags: NI Software

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