Instrument Control (GPIB, Serial, VISA, IVI)

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VXI server, ethernet connection

Dear all,

 

I have a problem relating to Ethernet connection with VXI server. The VXI server runs under Labview with drivers, which controls my power supply. It has 3 chaises. Our control computer use Ethernet  connection to communicate with the VXI server(192.168.1.3).We have

 

Because of other control problems, I need to program under Matlab. After I effectively created a TCP/IP connection with VXI server, I have no idea how I can talk to the VXI instrument on the VXI server. 

 

Does anybody can kindly help me, such as showing me an example, how to set, read the current on address 1, chassis 1 of the VXI server?

 

Thank you very much.

 

Roy

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sigh, anybody can help? I am in an urgent need. Thanks.
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Hello RoyOfAgent,

 

I need a little more information about your system. Why are you trying to use VXI with a third-party software? The reason I'm asking this is because our VXI servers use VISA, which is designed to work with National Instruments products.

 

Thank you,

Ryan

National Instruments
Applications Engineer
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Hi, Ryan, thank you very much. It is a little complicated.

 

Our problem is that we have a group of old power supplies. We used to work under C++ which can directly talk to the power supply.  However, during upgrade of that computer, the C++ program is not working anymore. Now we use Labview(Windows version) to drive them. However, our main control computer is a Linux computer(having a Linux Labview). The main Liunx computer controls the power supply by talking to the the VXI  Windows server.

 

I need to use Matlab to talk to that VXI server because I need to write some optimization procedures. However, I have no idea under Matlab how I can talk to the Labview VXI server.  If you could give me some example, I will really appreciate that.

 

With my best regards,

 

Roy

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Hey Roy,

 

Here is a link to a Developer Zone article that might help you. I hope this helps.

 

Thank you,

Ryan

National Instruments
Applications Engineer
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