Formulas Math Functions

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This topic contains 4 replies, has 3 voices, and was last updated by Mikhail Mikhail 1 week, 6 days ago.

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  • #4134

    ahmt_87
    Participant

    Dear Sir;
    I am reading values from modbus devices, kwh.I want to calculate the difference on channel 65 every 8 hours.How can i do this.Could you show me a simple calculation example.

    Channel 65 adjusted for the kwh.I am able to read values.But i need some calculations on it.

    Let’s say;
    14.08.2018 at 08:00 Chnanell 65 is 1000 kwh
    14.08.2018 at 16:00 Channel 65 is 2000 kwh

    i want to calculate this difference.

    Thank you very much

    #4135
    Mikhail
    Mikhail
    Moderator

    Hello,
    This calculation is difficult to implement using built in formulas because they work with current values. I suggest Elastic Report plugin, please check the demo which performs what you need.

    #4136
    Mikhail
    Mikhail
    Moderator

    The example shows daily difference. Elastic Report also supports hourly difference. In case of 8 hours difference, we can discuss implementing this feature.

    #4810

    btrindade
    Participant

    Hi there,

    I’m new to using this software.
    I need to collect a live analogue value and multiply or divide it by a constant value. How can I do this?
    Also, is it possible to implement a digital momentary start/stop?
    Thanks

    #4813
    Mikhail
    Mikhail
    Moderator

    How can I do this?

    For example, Cnl * 10

    is it possible to implement a digital momentary start/stop?

    Please clarify the question.

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