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MassFlowConveyor with negative content

Hi,


We have made a simple example model of a situation that is happening in a real and bigger model. The situation is a massFlow conveyor with two side exits. At the start of the simulation these side exits are closed (UpstreamOutputOrder is set to 0). After 40 seconds there is a custom code in ProcessFlow that opens these side exit, by setting the UpstreamOutputOrder to 1.

1719492784479.png

Both conveyors start receiving cans, but the main conveyor that is generating the cans gets a negative content. This in rate stays at 20 cans/sec, but the outflow goes up to 40 cans/sec.

Is this a correct way of opening such side exits after a period of time, or is there another way of doing this? Any advise would be welcome.


1719493028122.png


Thanks,

Patrick

TestModelCon.fsm


Note,

We did the test in FS 2024.0.4 and FS 2024.1.1, but of them are not in the version dropdown list below.

FlexSim 24.0.3
bugmassflowconveyorcontent
1719492784479.png (34.5 KiB)
1719493028122.png (11.0 KiB)
testmodelcon.fsm (46.3 KiB)
5 |100000
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1 Answer

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Patrick Zweekhorst answered

This seems to be fixed in 24.2.0

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Logan Gold avatar image Logan Gold ♦♦ commented ·

It should be fixed in 24.0.5 as well.

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