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Gary Armstrong

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About Gary Armstrong

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    LAVA groupie

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  • Location
    Knoxville, TN

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LabVIEW Information

  • Version
    LabVIEW 8.6
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  1. I am implementing a LabVIEW controller for an industrial application (HVAC). My client wants graphics of pumps, tanks, and solenoid valves. I have done fairly well with decorations but now he wants them to change color based on status (on/off). Does anyone supply a graphics library to handle this?
  2. The uC works at 921600 baud with the LabVIEW interface that I have inherited. I don' have a serial line analyzer so I am restricted to trial and error with the uC. So, I try it and see if I get a response. I will try to use to laptops tomorrow and see if I can get them to talk to each other. I do have the uC set to 921600 baud. If I set the uC to 230kbaud my LabVIEW App can talk to it, but no faster. But the LabVIEW app I have inherited can talk at 921600 baud. That's what has me bewildered.
  3. LV2016 64-bit I have inherited a LabVIEW Interface that talks thru a USB2 Interface to a micro-Controller at 921,600 baud. This opens a new world of possibilities as USB2 can handle data at much higher rates than a typical RS232 interface. I have been tasked with rewriting the LabVIEW code as it is difficult to maintain. I have an application that will talk to the uC at 230 kbaud but can't attain the 921,600 baud. I have tried copying the pertinent VIs from the supplied code into my app but still can not attain 921,600 baud. Plus I don't have a serial line analyzer capable of h
  4. Porting the Two Edge Measurement Counter from TDAQ to DAQmx is proving to be impossible. Apparently NI does not support loading a PRESET with the Two Edge Measurement Counter method under DAQmx. We have also tried the Event Counter method which does allow a PRESET but does provide a technique to route the CTR OUT to stop multiple counters. ----------------------------------------------- Executive Summary This application utilizes multiple counters spread across multiple boards. The counters count neutrons except one counter that is dedicated to time. The counters need to start and stop at
  5. I added the IP addresses and names to the Windows hosts file which fixed the problem (for several days), until I updated the Licenses file and now it is broke again???
  6. FIre wall is off. No virus sw running. We are on an isolated network with no router, only a switch, so there is no DNS other than the Resolver Cache provided by Windows XP. I have run "ipconfig /displaydns" from the cmd window and see the loopback address. I have also run "ipconfig/ flushdns".
  7. I am using the VI Server to access controls on a vi running on a remote computer. This interaction is intiated with a call to the Open Appl Ref VI, it returns an error 66. Independent of what we do to the VI Server Configuration and Access List (Tools->Options), the result is that same. I can ping the remote computer. I can open the port (3363) with a telnet command from the command window ( telnet 3363). All this started when I ported the main LabVIEW application (LV82) to a new computer with LV86. The main LV82 application on the older computer can talk to the remote comput
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