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    Modbus Tag Grouping: Knowledge Base

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    kb-0174-00-en-modbus-tag-grouping

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    Modbus Tag Grouping: Knowledge Base

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    simbamike
    42 views2 pages
    kb-0174-00-en-modbus-tag-grouping

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    kb-0174-00-en-modbus-tag-grouping

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    kb-0174-00-en-modbus-tag-grouping

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    42 views2 pages

    Modbus Tag Grouping: Knowledge Base

    Uploaded by

    simbamike
    kb-0174-00-en-modbus-tag-grouping

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
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    Knowledge Base

    KB-0174-00 / Rev. 1.0

    Modbus Tag grouping


    By default, Modbus IOServer does a Tag grouping (of 10 by default).
    Meaning: if you define tags and you have some gap in addresses ( 40001, 40005, 40009),
    eWON will read 10 registers in one request and extract values from this "buffer".
    On some Device, doing that produce error or TimeOut.
    Then, in the eWON, you can fix this "grouping" length with the MaxDeltaRegX parameter.
    The X is to be remplaced by the Topic where you want to apply this parameter.
    Then, if you want to NOT group on Topic A, you need to set the param to 1
    --> MaxDeltaRegA:1
    Advanced parameters are in the bottom of the Modbus IOServer page.

    Page 1 / 2 Modbus Tag grouping | KB-0174-00


    Revision Information

    Revision

    Revision History
    Revision Level Date Description
    1.0 15/03/2010 Creation of document

    Document build number: 4


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