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Bruno Costa

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Bruno Costa last won the day on June 21 2010

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About Bruno Costa

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  • Version
    LabVIEW 8.6
  • Since
    2007

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  1. Bruno Costa

    Supervisory System

    Supervisory System used to control and monitor Oil and Gas Plants
  2. I want say read tags from PLCs and log in database. This operation isn't tima comsuming because i use only 2% of CPU time. Wich version of LabVIEW are you using? Update rate, deadband ... . I want know what you doing different, to make it work. In attached image you can see the system layout.
  3. Hi, I'm developing a application thats need read and log a large tag database at period of 1 second. My system have actually 1200 tags and when I try to increase the number of tags my system slowdown and not update at requested period anymore. I'm using NI OPC Servers to read data of 4 different PLC's. In the SVE I've created an IO Server to bind variables and all variables are located in a single process. All variables are logging alarms and data. The Log Deadband and Update Deadband are set to 0. My machine is a DELL Precision T5400 with Dual Intel Xeon Quad Core with 4GB of RAM and Windows XP Sp3 installed. LabVIEW 8.6.1 Bruno Costa Automation Enginner
  4. Hi, I`m building a xnode like bundle function and I need to know the respective color for all data types to draw the image of xnode. I know string data type is pink, integer is blue and etc. But i don't know the exact colors. Bruno
  5. Hi I make a small screencast to demonstrate this component. Bruno demo.swf
  6. Name: Advanced Database Query Submitter: Bruno Costa Submitted: 01 Jun 2010 File Updated: 03 Jan 2011 Category: *Uncertified* LabVIEW Version: 8.6 License Type: BSD (Most common) Description: This component automatizes the work of: format sql statement, execute sql query and build a cluster with data output. This function accept a sql statement with parameters like format into string and you can resize this function to the number of input parameters. The output data can be a cluster or an array of cluster defined double clicking on function. How to use: Wire db connection input. Wire sql statement with parameters like format into string function. Resizes the function with the number of parameters into sql statement, If the sql statement produces data output, double click on function to Edit columns of data outuput. Requirements: Database conectivity toolkit Scripting tools This function isn't 100% complete. It's need to complete some abilities and code improvements. If anyone want help me, be welcome. My email is bitcosta@ig.com.br Click here to download this file
  7. Version 0.1

    759 downloads

    Description: This component automatizes the work of: format sql statement, execute sql query and build a cluster with data output. This function accept a sql statement with parameters like format into string and you can resize this function to the number of input parameters. The output data can be a cluster or an array of cluster defined double clicking on function. How to use: Wire db connection input. Wire sql statement with parameters like format into string function. Resizes the function with the number of parameters into sql statement, If the sql statement produces data output, double click on function to Edit columns of data outuput. Requirements: Database conectivity toolkit Scripting tools This function isn't 100% complete. It's need to complete some abilities and code improvements. If anyone want help me, be welcome. My email is bitcosta@ig.com.br
  8. QUOTE (i2dx @ May 30 2009, 11:39 AM) Hi You can use this VI to escape special caracters Download File:post-15666-1243732790.vi I use it for storing XML data Bruno
  9. Hi, again Its possible intercept the messages sents to the app and send a response without app known See this article on CodeProject Site: http://www.codeproject.com/KB/dialog/messagehandling4.aspx Bruno
  10. QUOTE (clementgirod @ May 11 2009, 12:23 PM) Hi, You must be able to handle windows messages, Whe a window is inactive and you click inside it, the OS sends to the window the message WM_MOUSEACTIVATE and the window must reply this message with MA_ACTIVATE, MA_NOACTIVATE or MA_ACTIVATEANDDEAT. In your case you must use MA_NOACTIVATE. I dont know how to disable alt+tab too. Bruno.
  11. Hi, If you are using MS Windows you can do this. You must make 2 Windows API Calls First, you will get the handle of the window with the function FindWindow And after, you call the function SetWindowPos with thew option TopMost See on MSDN for the parameters of functions
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