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Thread: Math functions not working on network system

  1. #1
    Join Date
    26.02.2014
    Posts
    36

    Default Math functions not working on network system

    I have a system with a network. The master PC communicates to the PLC but the User runs the Zenon on the local PC. Math functions only work if the variables are I O.
    For example I have a math function with a bool output X01 > 13
    This works if X01 is a PLC I O variable but not if it is an internal variable, it always gives false even if the variable is greater than 13. Is this because the application is networked?
    And how can I get the math function to work correctly on an internal variable?

  2. #2
    Join Date
    01.07.2008
    Location
    Salzburg, AT
    Posts
    799

    Default Re: Math functions not working on network system

    Change by internal variables the property Calculation from 'Local' to 'Network'.

    In general - when you are using zenon Network, set by all internal variable calculation to 'Network'. The setting 'Local' is suitable only by variables which should have different values pro PC.

  3. #3
    Join Date
    26.02.2014
    Posts
    36

    Default Re: Math functions not working on network system

    That has worked. Thank you for your help.

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