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Sum of individual totalized fractions within a capsule

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within a batch, there are several moments the feed valve opens to add feed. 

it's easy to calculate the amount added every time the valve opens. But i'd like to have a formula that follows these additions (step changes), cumulative through the batch (if i do sum, i only get the last value




Edited by MArgarida
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  • Seeq Team

Hi Margarida,

You can use the runningSum function in formula tools. For example:


The $signal here is the amount of feed added everytime the valve is open, and the $condition is the batch condition. You can set the maximum duration based on the capsule duration of batch but in this example here I just used 7 days. It should give you something like this:



Let me know if this answered your question or you need further clarification. 


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