Instrument Control (GPIB, Serial, VISA, IVI)

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Dirver of MTX393 multimeter

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Hi

All info is hidden in the dll that has a strange opening in the initialize.vi

In fact 3 operations are happening at the same time (not connected by wires in sequence

1) the dll opens the serial port

2) the settings of the serial port are modified in visa properties in the middle

3) the port wil be opend by visa and asked for Idn*

 

These should not be happening at the same time anyway.

I can try to work out a complete vsa example instaed of this example.

Should be ready late this evening.

greetings from the Netherlands
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Message 11 of 13
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I forgot to attach a picture of the vi in which I replaced the IO assistant by its code.

2022-03-01 11_55_29-mtx329x Initialize.vi Block Diagram rev. 4 _.jpg

greetings from the Netherlands
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Message 12 of 13
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Solution
Accepted by topic author Ayoubas01

Hello , 

the problem is solved with  my multimeter, i did not use VISA to communicate with , i just used some blocks of code from the sub VI of the driver provided on the web site of "Metrix", but be careful , using  direct Sub  Vi only can  not work , case "voltage" sub VI show me in error, i attach a screenshot of my code and programm

Thank you for all for the time devoted to this problem  

Ayoubas01_0-1646321530945.png

 

 

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