question

King-Ki F avatar image
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King-Ki F asked King-Ki F commented

Token and Flowitem in 3D Model Challenge

Hello,

In my process flow, I have tokens which control how flowitems move in the model. The flowitems move as follows

  1. Tote moves from ASRS to Picker1
  2. Tote moves from Picker1 to Picking Station
  3. Tote moves from Picking Station to Picker1
  4. Tote moves from Picker1 to Storage

When the first token passes through the process flow, the model moves the flowitem through the 4 steps correctly. For the remaining tokens that passes through the process flow, the model does not move any of the flowitems. Would someone be able to provide some guidance with the model attached below on why the remaining tokens do not move the flowitems in the model?

ClusterPickingTestv3.fsm

FlexSim 20.0.3
flowitemtokensflexsim 20.0.3modeling
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Braydn T avatar image Braydn T commented ·

@King-Ki F

It looks like there is an issue with your attachment. Would you mine re uploading it? Thank you!

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King-Ki F avatar image King-Ki F Braydn T commented ·

Let me know if this one works ClusterPickingTestv3.fsm

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clusterpickingtestv3.fsm (64.6 KiB)

1 Answer

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Braydn T answered King-Ki F commented

@King-Ki F

You have the max wait timer boxes checked on both the list and pull from list. Was that intentional? If you watch the model at time 60, all the items get pulled from list. If you uncheck those boxes, the model runs correctly.

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King-Ki F avatar image King-Ki F commented ·

I thought it was a requirement to have it checked in order to have the tokens continue to move through the process flow. Is that incorrect?

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Braydn T avatar image Braydn T King-Ki F commented ·

@King-Ki F

No. Max wait timer can mean 2 things. If it is attempting to pull and it cant within the time you set, it moves the token on, but without an item from the list. On a list, if an item is there for more than a specified amount of time, it is removed.

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King-Ki F avatar image King-Ki F Braydn T commented ·

Thank you for explaining to me!

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