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Design pattern to modify an epoch timestamp on modbus tcp

  • Hi,
    I've a modbus slave talking to mango 2.8.8 , I want to show on the web interface an epoch coming from the slave, I've done this using the datapoint rendering




    but this is not a clean solution because:

    1. I can't show the right time including locale without showing the locale itself
    2. to modify the value on the slave I've to send to it an epoch and not a formatted date

    What is the cleanest way to obtain this behaviour (modify an epoch on a modbus slave)?
    Is there some example for this?

  • Using a Meta Data Source I think could be possible to format the date as I need but how I can then map to an epoch as required when the user for example change the hour?