LabVIEW - device COM of VISA - how to use the Hex Protocol to receive data

Hey everybody!

I am fairly new to LabVIEW and data collection, so maybe it's a pretty easy question.

I want to read the data from a device Extech Instruments HD755, it is connected via USB to a COM Port.

I can see the device at MAX and I am able to open the Panel to test VISA.

I simply do not know what command I send now, either, I know how to do a Google search for this (I tried several commands, but they did not work).

I have attached the Protocol of Communication of Extech and my first try of a VI.

Thank you very much in advance.

Tobias

Cannot open your vi, I lv2011

Communication protocol does not say what commands to send. If no other information is either trial and error, or ask manufacturer for example in any language of the text, it's easy to order if that is the problem.

I try something as attached as a first test, maybe you would need to send several commands (0x04 then 0x01) before it starts the transmission

Tags: NI Software

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