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Found 3 results

  1. Hi, I am looking for a paid or free course online for LabVIEW instrument control that covers topic like communication protocols, RS232. GPIB etc. Can anyone suggest a good one. Thank You. Govind
  2. I am experiencing numerous VISA Lock Errors (-1073807345) on resources I haven't explicitly locked. This is happening on TCPIP connections to keysight N6700 power supplies and keysight N5242 PNA fairly regularly. I have simultaneous loops in the application communicating to the different instruments, using a sequencer of sorts to pipe commands one at a time to each of my various loops. Has anyone seen the locking error pop before while not actually using the Lock and Unlock VIs? This issue has gotten worse lately and it has come time to find the root cause. My only thoughts are that it may have something to do with having NI MAX and Keysight Connection Expert both installed and possibly trying to "ping" these devices. Every once in a while me sending commands and these "pings" may clash and cause the locking error. Error reads as follows: "Specified type of lock cannot be obtained, or specified operation cannot be performed, because the resource is locked. VISA error code -1073807345 (0xBFFF000F)" We are using LabVIEW 2013 Thanks in advance!
  3. I need to build a system where I have to control 4 or 5 small solenoid valves independent of each other using LabVIEW. I have two options: 12 V DC, 2W or 12/24 V DC, 6W. I am really new to LabView and interfacing. So this may sound dumb: 1.Do I need Arduino or some other kind of embedded system for controlling the valves? Or labview has some kind of module for that? 2.Will each of the valves need separate power source? Any suggestions are welcome. Thanks
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