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df_rob

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About df_rob

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LabVIEW Information

  • Version
    LabVIEW 2014
  • Since
    2011
  1. Hi James, Hope you are well! Hopefully you can answer a question I have about your Messaging Library. I'm currently using it to try and implement some TCP communications (using your TCP messenger Library.) One problem I am having is trying to make multiple unique TCP event messengers (upto n), that can be serviced by a registering processes. This means the processes need to be able to register for them at run-time. I dont suppose you have any recommendations on how to acheive this? EDIT: Looks like I was being really dumb here, I didnt notice the obs registry in the client... solution
  2. Very cool, did you develop the kettle, pump icons etc. yourself? Are they animated also?
  3. Using what you guys recommended I think this is now solved! Thanks a lot, I appreciate the help. It seems the flickering I was getting was also due to the chart history length being to small!
  4. Thanks, for the reply. It was off, but I have changed a fair bit now in response to the below posts. Thanks for the feedback, I believe I have made the recommended changes:
  5. Hi everyone, I'm having some problems with my waveform charts, I dont quite understand how the below code isnt working (see screenshot). It just flickers... any ideas? The intention of the code is to programatically show the last t seconds worth of data when sampling continously at 1 kHz. Where t is some value defined by the user, however in the screenshot t is a constant set to 10. Thanks for your time!
  6. Thanks alot James! I will try implementing the above. EDIT: I have just tried this and it works! Thanks, again. I missinterpreted the solution to jollybandits problem.
  7. Dont suppose anyone knows why this INSERT routine is taking so long (38 ms)? My storage loop cant get anywhere near the speed of my DAQ loop and eventually I get a buffer overflow. I believe I am using the BEGIN and COMMIT correctly, the speed of DAQ is 1 kHz so this routine is executed once per cycle. (see sattached screenshot) Thanks!
  8. Maybe the visitor pattern is the way to go here?: https://lavag.org/topic/16696-ah-yes-another-oo-architecture-question/?hl=daqmx
  9. Hi, Recently I have been trying to develop a set of classes for data aquisition (as the encapsulation makes other tasks easier) however I keep running into several issues (described below). I was wondering what you guys did for your OO DAQ systems. I've found a few presentations lying around on the net but their implementations do not seem to work when using DAQmx based measurements. I am trying to measure the inputs from two seperate instruments: (1) Torque Sensor (2) Encoder. Sometimes these instruments might be using a DAQmx analog input and other times a .DLL. My original thou
  10. Hi, I’m looking to recreate this line of C code in a similar manner in LabVIEW. Any contributions are greatly appreciated, thanks. sscanf(aline, "%d%*1c%1c%1c%*1c%2c%*1c%f%f%d%f%f%*1c%5c%*1c%3c%*1c%5c%*1c%5c", &ic,c1,c2,comm,&axial,&radial,&angular,&efbhs, &holdinch,rext,amppercent,testcode,iac) below are three sample data strings that this function can read: 626 8.45 2.03 226 0.04 0.00 2 13.01 626 627 C 8.47 1.30 293 0.10 0.00 1.00 27 0 628 C 8.48 1.32 296 0.12 0.00 2.00 28 13.
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