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Datalogging Database

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  • Datalogging Database

    Hello

    I would like to ask some questions about concepts first.

    I have a situation where some information is coming into the computer through the serial port (or usb or ip address depending on connection that i decide upon) that I would like to record. This information indicates an event and the time it occurred. I would also like to send information to change things in the external unit.

    What i would like to know.


    1: Can this information be put into a table in the background.

    1.1: Does this need to be done by a thread

    2: Can i display the updated information on a form very soon after it has arrived in the table.

    3: which is the best way to receive the data

    Serial

    USB

    IP address ( not correct terminology i know)


    4: If this is at all possible do I have to upgrade from A5 V6 to be able to do it

    5: Can you please point me to the correct posts to investigate this. If this is possible i will do more in depth searching to find solutions.

    If threads is the way to go is there a book/tutorial on threads that i could obtain to help me out.

    Appreciate all the help

    Malcolm Salisbury.

  • #2
    Re: Datalogging Database

    There are some activex that you can buy and use into alpha five to read serial or usb ports and put the data into a database.

    Take a look at http://www.eltima.com/products/serial-activex/

    I havenīt used it yet but look promising for datalogging.

    Comment


    • #3
      Re: Datalogging Database

      you can use the eltima's datalogger to
      a. create a text file
      b. display on screen (instantly)
      which you can then read into table.

      i used this for quite some time untill i created my own interface using freepascal. reading data directly from a serial port, manipulating it, and feedig it directly into the backend mysql table.

      i then used alpha for further processing of data, and mainly for pulling out reports - from backend.
      -MbusoNgcongo
      INFOMAS (Information Systems)
      mbuso@infomas.co.za

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