Operator always take the batch made up of the same item

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Beatriz DT asked Apr 14, '21 Ben Wilson commented Apr 21, '21

Operator always take the batch made up of the same item

In the attached model I want the operator always take the batch (of 4 units) made up of the same item as shown in the first image. On the contrary, at some point he takes a batch made up of two units of item 1 and two of item 2 (second image). How can I solve this?PruebaLotes.fsm

Thank you.

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operator batch

img1.jpg (81.4 KiB)

img2.jpg (89.1 KiB)

pruebalotes.fsm (32.7 KiB)

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Ben Wilson ♦♦ commented · Apr 21, 2021 at 04:35 PM

Hi @Beatriz DT, was marcello.rosadini's or Jörg Vogel's answer helpful? If so, please click the red "Accept" button at the bottom of one of their answers. Or if you still have questions, add a comment and we'll continue the conversation.

If we haven't heard back from you within 3 business days we'll auto-accept an answer, but you can always unaccept and comment back to reopen your question.

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Answer 1 · 2021-04-14T11:19:59Z

Marcello Rosadini answered Apr 14, '21 Marcello Rosadini edited Apr 14, '21

Hello Beatriz,

for more detailed Task Sequences I strongly recommend you to get familiar with ProcessFlow. In the attached model you can find a simple example on how you could load the 4 items at a time. However if you implement it only in this part, it will conflict with the other calls the operator is receiving in your model from Queue 2, so you should make something similar for the transport task from there (acquiring and releasing the operator from the ProcessFlow)

support tasks.fsm

support-tasks.fsm (40.2 KiB)

Answer 2 · 2021-04-14T09:10:36Z

Joerg Vogel answered Apr 14, '21 Joerg Vogel commented Apr 14, '21

This is possible, because an operator gets transport jobs for each item separately. If in your model both queues releases items the involved operator can receive transport jobs unordered. He gets one job for a red and then a job for a green item. All together he receives 8 transport jobs.

There is an Option you can choose in the operators properties for the Break To function: same loadstation.

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Beatriz DT commented · Apr 14, 2021 at 09:49 AM

@Jörg Vogel I have marked that Option and it continues to behave the same way. Maybe it's because Queue 1 has a Round Robin if Available pull strategy. But if I remove this strategy, the operator always goes to the same queue to load.

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Joerg Vogel Beatriz DT commented · Apr 14, 2021 at 11:35 AM

@Beatriz DT, I am sorry, any other answer need a new logic. Probably with Lists and Process Flow.

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