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Nugro

Multiple Reading Value from Flowmeter

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Hi all. I have FX3U PLC communicated with E&H Flow meter, as far now i can read all the data from flow meter without any difficulties. Now i want to use 1 flow meter (D150) to fill 2 tanks, let's assume Tank A and Tank B. So first run is to fill tank A with value of XXX Kg's (D100),  then reset the flow meter to fill tank B with YYY Kg's. Now tank A have some values as XXX kg, then i want to fill tank A again with some of quantity of liquid. I Try to create a program but whenever i reset Value of flow meter my tank value also resetted. Is there any way to store value in tank A (D100) and add another value from flow meter (D150) ? The logic is New Value in tank (D100)= Previous value in tank (D100) + New value from flow meter (D150). 

Thank you

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New Value in tank (D100)= Previous value in tank (D100) + New value from flow meter (D150).  =ADD D150 D100 D100
Please see attachment

FLOW.gxw

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