question

felipef avatar image
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felipef asked felipef commented

HOW TO LIMIT THE NUMBER OF ITENS ON THE CONVEYOR

Hi,

I'm having trouble finding a way to ensure that when the queue (Torno_01; Torno_02; Torno_03) is full whith 3 items and the conveyors are vertical too, that the items don't enter that conveyors and follow the looping, so no will stop processing other items. I don't know if it's necessary to create Decision points or Photo eyes.

Please.


Obs.: my FlexSim version is 2019.

image.jpg


System.fsm

FlexSim 19.0.0
photo eyeconveryorsystem
image.jpg (353.5 KiB)
system.fsm (41.7 KiB)
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Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.

Felix Möhlmann avatar image
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Felix Möhlmann answered

I'd use a pair of Decision Points per lane. The sending DP has a label that keeps track of the current content of lane + queue. When an item arrives, check if the type matches the lane (another label on the DP) and whether there is still capacity. If so, send the item to the DP on the lane, if not, send it to a DP on the backloop (Send Item By Case). Also increment the counter label by one under the same conditions (Code Snippet with if-condition). Finally, add an On Exit trigger to the queues that decrements the counter label on the respective DP.

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Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.

felipef avatar image
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felipef answered felipef commented

Can you generate an image in the software with this explanation? Sorry for my ignorance but it wasn't very clear to me, I started using the software recently.

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Felix Möhlmann avatar image Felix Möhlmann commented ·

Here's the model with the integrated changes.

conveyor-send-limit.fsm

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felipef avatar image felipef commented ·
It's working perfectly! Thank you very much for the help!
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