Instrument Control (GPIB, Serial, VISA, IVI)

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GPIB string for Prologix USB-GPIB adapter

I have the misfortune to be working on a project with the wildly unpopular prologix USB-GPIB adapter.

 

I can communicate with an instrument through the prologix adapter by using the VISA string 

ASRL4::INSTR

 

and then prefacing commands with ++addr{GPIB address}\r\n

 

e.g. ++addr\s1\r\n*IDN?\r\n

 

Is there a way I can directly address the GPIB device so I don't need to preface every command with ++addr\s1

 

Having consulted (http://zone.ni.com/reference/en-XX/help/370131S-01/ni-visa/visaresourcesyntaxandexamples/) I have tried a lot of combinations with no success.  Any help would be appreciated.

 

Rgds,

Seán

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Message 1 of 6
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use the NI version of this usb controller.

more expensive hardware less expensive software

greetings from the Netherlands
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I'm very disappointed to receive such a response.

 

I am contracting on a project and do no have the option of insisting they change their hardware.

 

I would appreciate a more helpful response.

 

Rgds,

Seán

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calculate how much they pay you and see what is helpful in such a case. Maybe buy the NI version yourself.

greetings from the Netherlands
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If anyone can help, my question is what do I add to the sting below in order to address a GPIB device with address 1 using Nationa lInstruments VISA.

 

ASRL4::INSTR

 

Rgds,

Seán

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I created a vi that works seamlessly for most GPIB functions.

https://forums.ni.com/t5/Example-Program-Drafts/Prologix-GPIB-USB-Controller/ta-p/3539152

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