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en:sw:01-mervis:multiple-history-intervals-hidden [2020/06/15 15:27] avsetulaen:sw:01-mervis:multiple-history-intervals-hidden [2025/07/09 13:45] (current) – added warning about history and ram ofojt
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 {{:en:sw:01-mervis:01_multiple-history-intervals_en.png?direct|}} {{:en:sw:01-mervis:01_multiple-history-intervals_en.png?direct|}}
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 +{{page>en:sw:01-mervis:store-history-in-ram-hidden}}
  
 ===== Multiple logging intervals ===== ===== Multiple logging intervals =====
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 If you did everything correctly, you now have 5 different history log save periods. If you did everything correctly, you now have 5 different history log save periods.
  
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 +{{ :files:img_warning-line_b.png?nolink |}} 
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 +{{ :en:hw:09_safety-instructions_pseudo-ISO-7010-attention.png?nolink |(!)}} 
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 +**Attention:** \\
 Do not mistake these **save period** settings with those for configuring the **communication period** for storing into the Mervis DB. Do not mistake these **save period** settings with those for configuring the **communication period** for storing into the Mervis DB.
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-A typical application is a temperature sensor (ie. an outdoor thermometer), for which we do not need to store its exact value. Instead, we can log the temperature value only if it changes by more than ± 1°C compared to the last logged value. By doing so, we can ensure only relevant data will be logged. +{{ :files:img_warning-line_b.png?nolink |}} 
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 +{{ :en:hw:08_safety-instructions_pseudo-ISO-7010-info.png?nolink |(!)}} 
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 +**Note:** \\ 
 +A typical application is a temperature sensor (ie. an outdoor thermometer), for which we do not need to store its exact value. Instead, we can log the temperature value only if it changes by more than ±1 °C compared to the last logged value. By doing so, we can ensure only relevant data will be logged.  
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