cRIO, shared Variables & stand-alone application

Hello!

I developed an application very simple acquisition of analog (NI9215) and the activation/deactivation of outputs signals digital (NI9472) using a cRIO (9012). Data are transmitted to the host through shared variables program.

I created an executable of the code to be run by the cRIO, set it to the "launch on startup" and it worked.

I did the same thing with the hosting program and created an exe installer. As I use variables shared the result of acquisition of pipes, I have them placed in the support directory (data) when you generate the executable file (Distribution.exe).

This executable works perfectly on my computer.

I used the Setup program to install the program on another computer. This computer as its IP address in the same subnet as my computer. But shared variables ever offer data other than their default values so I guess there is a problem of communication...

Can someone help me?

Hi zyl7,

Thanks for the post!

This is a common problem - I think...

The problem is that you need to deploy two seté variables shared by two of the llb. You need 'real' variables on the cRIO - and deploy manually (see link) and a second llb on the host pc, which are related to real variables on the cRIO. This is because the local computer get variables shared, which of course are not those with the cRIO data locally.

Perhaps in clearer terms.

When you make an exe of a project using shared variables, you must have a local copy of the variables on the deployment computer which are then related to the 'real' shared variables stored on the target - cRIO, in this case.

This means that in the view of your project:

(1) Create static variable in the normal Manor on the cRIO.

(2) create variables shared on the host PC - llb under the Pc host in the project and then select the aliasing and how to link to YOUR PSP.

Let me know how it works,

Kind regards

Tags: NI Software

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