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CSN avatar image
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CSN asked Carter Walch edited

Upstream Output Order did not work


I add two mass flow conveyors to the end of one MFC and set the Upstream Output Order of them. But it didonot work, the amount of goods on the conveyor belt is the same.Please help to check whether I used this function incorrectly.

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MassFlowV2023.1.fsm

FlexSim 23.1.1
massflowconveyormass flow conveyorupstream output order
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1683255258733.png (210.7 KiB)
massflowv20231.fsm (39.0 KiB)
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Jeanette F avatar image Jeanette F ♦♦ commented ·

Hi @CSN, was Felix Möhlmann's answer helpful? If so, please click the "Accept" button at the bottom of their answer. Or if you still have questions, add a comment and we'll continue the conversation.

If we haven't heard back from you within 3 business days we'll auto-accept an answer, but you can always unaccept and comment back to reopen your question.

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1 Answer

Felix Möhlmann avatar image
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Felix Möhlmann answered Jason Lightfoot commented

The batch of items uses the full width of the first conveyor. At the transfer the total flow rate stays the same so it also fills both downstream conveyors that are each half as wide.

If you have a continuous flow that doesn't take up the whole width, it is split according to the output order.

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Alternatively, if one (or both) of the downstream conveyors were faster, the flow rate (speed x width) could be split up differently between the conveyors.

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Jason Lightfoot avatar image Jason Lightfoot ♦♦ commented ·

You can also just change all the conveyors to single lane to observe the effect of the Upstream Ouput Order:

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CSN avatar image CSN commented ·

Thank you for your answer.

I find when I set the number of items to 4, it will dispaly a red line instead of the bottle .This will cause the width that can pass through not to pass through.

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CSN avatar image CSN CSN commented ·

Like this:1683367654639.png

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1683367654639.png (344.0 KiB)
Jason Lightfoot avatar image Jason Lightfoot ♦♦ CSN commented ·
That's because the conveyor length representing 4 units across the whole width of the conveyor is less than the mass flow unit dimensions.

Again, if you change the conveyors to a single lane you will be able to observe something that may be more intuitive to you than the abstraction you get with your settings.

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