STRING_TO_REAL in Twin CAT version 2.11

Codesys V2.3 🇬🇧
tech007
2011-07-28
2011-08-02

  • tech007 - 2011-07-28

    Hello People,

    I am creating one application using TwinCAT version 2.11.

    In which, i am getting string data as output and my problem

    is that i would like to use this values for controling loop of

    the process.

    So, my question is that how can convert data from STRING to REAL

    values ?

    I tried STRING_TO_REAL but it didn't work.

    I also tried with oscat but i have some problem to use function for

    conversation of string.

    Any suggestion and help would be great.

    Thanks in Advance.

     

  • JAPIB

    JAPIB - 2011-07-28

    Hello,

    J works with CoDeSys V2.3.9.28 in simulation mode and this exemple of program is OK :

    VAR
    Chaine:STRING;
    ValR2:REAL;
    END_VAR

    Program
    ValR2:=STRING_TO_REAL(Chaine);

    So :
    - Is this really this operation you want to do ?
    - is there no error in the variables declaration ?
    - Is it possible to use REAL whis your PLC ? (J don't use Twincat)
    - Is there a bug in this PLC ?
    - did you try this in simulation mode ?

    Hope these few ideas can be helpful

     

  • tech007 - 2011-08-02

    Hello People,

    Now, it's working.

    Thanks for your suggestion.

     

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