5/29/2009 8:40 PM | |
Joined: 1/5/2007 Last visit: 4/7/2023 Posts: 1690 Rating:
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Hi sprutz, i dont know, but if i understand you right, you have an analoge input signal for a physical unit per time unit. Please tell us the details and give as your circuit as a zipped file. I think then i can help you to reduce the lost "flow part" if the power goes off.... Best regards Betel |
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5/30/2009 12:41 AM | |
Posts: 3 Rating:
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Here is the flow portion of our Logo file with annotations. A 4-20ma input signal from a flowmeter is used to derive flow and totalization numbers.
AttachmentFlowTot.zip (1029 Downloads) |
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6/2/2009 8:40 PM | |
Joined: 1/5/2007 Last visit: 4/7/2023 Posts: 1690 Rating:
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Hi sprutz, "Ermittlung von Wartungsintervallen nach Belastung einer Anlage" Because the needed complex modifications of your circuit and because my english is not good enough to explain all details, i have modified the circuit complete (file: FlowTot_new (0BA6).lsc). My modifications solve your question AND reduce some detected problems (lost of flow you counted AND rounding errors!): 1. If the trigger (if Ax{B125} = or > 1000) clears the values and Ax{B125} > 1000, then you have a lost flow volume of "Ax(B125) - 1000" gal !! Look at my complex modifications. I have used a pre-divider (retentive!) to solve your question. This can also used direct in your circuit to reduce the lost flow volume if pover goes off. Remenber: AttachmentFlowTot_new (0BA6).zip (940 Downloads) |
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6/6/2009 2:47 PM | |
Joined: 1/5/2007 Last visit: 4/7/2023 Posts: 1690 Rating:
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Hi sprutz, thanks for your fast and positive feedback (buttons "Rate", "Thank"are possible, too). I wish you a successful succeed. Best regards Betel _________________________________________________ Perhaps helpful links: |
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