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Thread: PROFIBUS commands

  1. #1
    Join Date
    19.02.2013
    Posts
    2

    Default PROFIBUS commands

    Hello,

    does anyone have experience with PROFIBUS commands?
    How to make pulse commands for PROFIBUS?(example)

    Thank you in advance.

  2. #2

    Default Re: PROFIBUS commands

    Hi jroht,

    Welcome to the Forum!

    Could you please elaborate on what you mean with PROFIBUS commands? Or with the pulse command for PROFIBUS?

    Best regards,
    mark

  3. #3
    Join Date
    19.02.2013
    Posts
    2

    Default Re: PROFIBUS commands

    Hi mark,

    this is my first PROFIBUS project and I not familiar with PROFIBUS.
    I must establish connection between SICAM 230(7.00 SP0) and SICAM SAS RTU (based on the SIMATIC S7/M7-400 automation system). I use PROFIBUS driver S7_NT. States, signals and measuring starts work, but commands not. I used functions "write set value". I think that I am using the wrong command structure. Maybe must use some special script or logic.
    Another problem is I cannot import S7 project. Screenshot is added.
    Attached Thumbnails Attached Thumbnails New Bitmap Image (2).jpg  

  4. #4
    Join Date
    01.07.2008
    Location
    Salzburg, AT
    Posts
    809

    Default Re: PROFIBUS commands

    Typically the 'write set value' function is the right way. But maybe the RTU expects something special, is it possible to check the RTU's manual?

    For problem with import of S7 project i propose you to contact your Support; hard to say without access to this project.

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