after writing formula, input device(modbus) serial status undefined

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  • #8617
    afzal
    Participant

    Hi,

    i am getting data from modbus.
    i have created 10 input channels to read the temp.
    i create another channel to read the sum of channel 101 and 102 using the formnula val(101)+val(102).
    in this case channel 110 should read the sum, but as i upload the configuration,
    modbus status become undefined and i do not get any data.
    what could be the problem ?

    Thanks

    #8623
    MikhailMikhail
    Moderator

    Hi,

    Please provide screenshots.

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