Specs of the device control construction

Dear Sir:

I am trying to build a program of control of work *.exe instrument.  It is a simple program interviewing my instrument test with a * IDN? command.

The program fails to call my instrument driver and the program runs also started when (running under normal conditions), he has to wait for me to enter my test instrument GPIB address.

Let's start with the failure of Labview to communicate with the pilot of the aircraft.   This is general information.

When I run the program as simple *.VI in the Labview environment, the program works perfectly.    No problems.

When I use Agilent connection Expert or MAX to connect to the test instrument, communication is established and there is no problem - I got a response, the connection is established.

After I created the *.VI one *. Program EXE, this is where to ask questions of the program.

The *. EXE program fails to properly initialize and fails to establish connectivity with my test instrument.

Here are some questions that I noticed on the running program *. EXE mode

(1) the program works on "getting started" when you click on the *. EXE program.   In *.VI mode, the program does not run at startup but is waiting for the user to enter the test instrument - the program GPIB address is designed to be activated by the user.

I don't think that it is the source of the problem, but only an incidental consequence of the problem.   If I stop the program and enter the GPIB address, I get a message of not being able to communicate to the driver.

(2) once the *. EXE program is running, there is a condition that the operating system is unable to close the program and restart WINDOWS itself cannot itself unless I have manually close all programs related to the *. EXE program in the WINDOWS operating environment.

(3) in the case of the labview program and *. EXE program are closed, but the operating system is still running, Agilent connection Expert and MAX can no longer communicate with the test instrument.   They no longer see the test instrument.

It is obvious that the *. EXE program makes a change that is originally from the operating system to "hang" during shutdown and also prevents other programs to work as they should.

In my view, that the source of my problem may be how I programmed my generation specifications.     In its response, can you please tell me what are the minimum requirements for the specification of version so that my test instrument can meet a simple * IDN? query?   What files are normally required for a successful build?

Other information about the source of my questions are welcome as well.

Thank you.

Thank you for your comments.   I can see why you were led to believe that my code was vexed, but it wasn't the case.

The solution proved to be to change my settings from file source to the specifications of my generation.   I had to customize the properties of VI to not run when the program open and allow the user to close the VI.   The initial default settings are very inconvenient for new LABVIEW users, like me.

Tags: NI Software

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