How to specify the rack to unload?

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shanice.c asked Oct 27, '21 Felix Möhlmann commented Oct 28, '21

How to specify the rack to unload?

I'm using Find a Storage Slot in Warehousing in custom code. I went through the manual, there are many classes used to look for a slot. But if I want to specify which rack to go first, where I could write which rack is going to because I have two racks in my example.

two racks.fsm

Software Version:

FlexSim 21.2.0

rack asrs vehicle

1635300997204.png (78.5 KiB)

1635301261601.png (10.3 KiB)

two-racks.fsm (53.5 KiB)

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Nathan B14 commented · Oct 27, 2021 at 02:10 PM

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Answer 1 · 2021-10-27T10:15:34Z

Felix Möhlmann answered Oct 27, '21 Felix Möhlmann commented Oct 28, '21

So you can use "slot.storageObject = <referenceToRack>" in your query to only find slots inside a specific object. Due to the way the process flow activities create the query the reference should be a label on the token or item.

I would also suggest to use the "Find Slot" activity, rather than using the option in the "Assign Labels" one. It lets you assign the found directly to the item, instead of needing an extra custom code activity to do that. It also offers a max wait timer option similar to the "Pull from List" or "Acquire" activities.

two-racks_1.fsm

two-racks-1.fsm (53.7 KiB)

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

shanice.c commented · Oct 28, 2021 at 01:45 AM

@Felix Möhlmann Thanks you for your reply.I have tested without specifying which rack to find a slot, it unload to rack1 first, and then I change the rank of rack2 to be higher than rack1 in the tree, it still unload to rack1 first. May I ask what is the Flexsim defaulted way to choose a rack when not specifying a specific rack?

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Felix Möhlmann shanice.c commented · Oct 28, 2021 at 06:01 AM

The order in which the storage objects are queried should depend on the order of the coupling nodes in the "Storage System" object in the tools section.

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