Items not being picked up by transporter

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Jacob G3 asked Nov 10, '21 Jacob G3 commented Nov 10, '21

Items not being picked up by transporter

I have a model where the storage location for each item is set at the queue/conveyor before entering the racks and not via the racks slot assignment strategy. I have 14 racks so its easier to manage having the code in one location.

The issue is that the slot assignment works, but the item is never being picked up by the transporter. I guess the Use transporter logic is never fired. Any ideas on how to solve this issue (hopefully without process flow:)

Totesorter_2.fsm

I made a mock up and hardcoded the destination in the attached model, just to verify the problem.

Software Version:

FlexSim 21.2.4

transporter logic

1636537467832.png (641.0 KiB)

totesorter-2.fsm (76.6 KiB)

Answer 1 · 2021-11-10T11:17:34Z

Felix Möhlmann answered Nov 10, '21 Jacob G3 commented Nov 10, '21

Queue3's "Send to Port" option is set to "First Available". The item is thus send to Rack8, but due to the deleted Slot Assignment Strategy, no slot is assigned to the item and as a result it is not moved.

You have to send the item to the correct rack. You could do this by writing the slot to a label on the item and then getting a reference to the rack through the slot. You can then loop through the available connections until the correct port rank is found.

totesorter-3.fsm

Note: You don't actually have to delete the Slot Assignment Strategy. FlexSim will check whether the item already has an assigned slot in the respective object and skip assigning one if that is the case.

totesorter-3.fsm (72.7 KiB)

· 1

Jacob G3 commented · Nov 10, 2021 at 12:27 PM

Thx. That worked:)

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