All value reset to 0 when device lost communication

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This topic contains 3 replies, has 2 voices, and was last updated by Mikhail Mikhail 3 months, 2 weeks ago.

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  • #5481
    Avatar
    gasin
    Participant

    i’ve problem about value from modbus reset to 0 when device lost communication.

    Is it possible to hold last value before lost communication?

    #5483
    Mikhail
    Mikhail
    Moderator
    #5652
    Avatar
    gasin
    Participant

    Hi,

    i try to use this formula : Cnl > 0 ? Cnl : Val()

    but the result is when i write to 0, input still show 1. and device connect normally.

    #5658
    Mikhail
    Mikhail
    Moderator

    Hi,

    Stop the Communicator service, and use the Generator feature the collect more information how the formula works. The expected and actual results, you need, are not clear.

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