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code-1073807339

Hi I am using Keithley DAQ 651multimeter connected to labview for continuous measurement of temperature. I am quite knew with using Labview, my error indicator is displaying code -1073807339.i am attaching my screenshot of block diagram and Front diagram. can you please help me out with this.

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Hi Ronsi,

 


@Ronsi123 wrote:

Hi I am using Keithley DAQ 651multimeter connected to labview for continuous measurement of temperature. I am quite knew with using Labview, my error indicator is displaying code -1073807339.


This error is a typical "timeout" error, you don't get a response from your device! (You could find out this when using the "explain error" context menu entry!)

 

Did you read its manual to learn about correctly sending commands? It seems you forgot about a TermChar in your command string…

Best regards,
GerdW


using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019
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Hi thanks for your reply. I went through the manual I didn’t find much about the terminal characters. I also tried characters like /r and /n which was suggested by chat gpt along with my command “meas:temp?”. Don’t get me wrong I don’t have much experience with lab view and I am a total beginner in using it.

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It's a great idea to learn to write your own interface code for this type of device, but as a beginner I would suggest you just download the NI Drivers that will put a new palette in your system full of VIs to control it.  You can get it here:  Keithley DMM6500 DAQ6500 Series Data Acquisition System,Meter - USB, Ethernet, IEEE 488.2 (GPIB) Dri...

 

Just pick the version the closest, but lower than your labview version.  There will be all the drivers for setting up and reading the instrument and also new examples in the example finder.

NIquist_0-1737643705549.png

Once you install the drivers and restart LV, you should have a new palette similar to this one:  

NIquist_2-1737644139485.png

See what examples are there for your DAQ, and open them up to see how they're used. 

 

I also see that you are using USB.  You will probably need the IVI drivers to use that if they didn't get installed when you got your DAQ.

Keithley IVI-COM/IVI-C Driver for Models DMM6500 and DAQ6510 Version 1.0.0.0 & Release Notes (Window...

 

See is the new example work without this driver first, and install it if you still get comm errors.

LabVIEW Pro Dev & Measurement Studio Pro (VS Pro) 2019
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BTW, instrument drivers get installed here by default:  C:\Program Files (x86)\National Instruments\LabVIEW 2019\instr.lib  (Change 2019 to your version).

 

You will find some examples and sometimes a LV project with all the subVIs in a nice format to look through and learn from. 😉

LabVIEW Pro Dev & Measurement Studio Pro (VS Pro) 2019
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