question

harish.varma avatar image
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harish.varma asked harish.varma commented

Simulate changeover only for an specific itemtype.

Suppose we have 3 itemtypes say item1, item2, item3

At the processor, we had to include the changeover time based on the sequence of flow of items. Changeover time should be considered only when item3 enters the processor.

CHANGEOVER: When there is a change in itemtype i.e if current itemtype is different than the lastitemtype..

Changeover time between item1 and item2 is 0 min.

Changeover time between item2 and item3 is 15 min.

Changeover time between item1 and item3 is 15 min.

Please let me know how to simulate the changeover for an specific itemtype.

Thanks.

FlexSim 7.7.4
simulate changeoverspecific itemtype
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1 Answer

achuta.kalidindi avatar image
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achuta.kalidindi answered harish.varma commented

One way to do it would be to capture the last item type in a label on the processor, and compare it to the current item type.

Ex:

if(getlabel(current, "item_type") == 2 && getitemtype(item) == 3)

{

return 15;

}

Make sure to list all the applicable conditions and do this in the setup time field

*item_type is just a place holder, for any label name

@harish.varma

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harish.varma avatar image harish.varma commented ·

Thanks @achuta.kalidindi. It worked.

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