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MRP Proposal Quantities

Dec 15, 2016 at 11:14 AM

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Hi Experts,

Good day. Just want to ask how procurement proposals behave with respect to dependent requirements.

Sample scenario. I have a FG that has an SFG component. 1 SFG is required to produce 1 SFG.

I transfer from APO a demand of 100 for the FG and a planned order of 80pcs. Now after running MRP for the FG & SFG, will the proposal for the SFG planned order base it's quantity on the 100 demand or the 80pcs planned order of the FG?

Thanks

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Best Answer
Tiago Furlanetto
Dec 15, 2016 at 01:28 PM
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Hi Raf,

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That will depend on the production planning heuristic you're executing, what settings have been made for the heuristic, and the planned order status.

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For example, if the Planned Order is output firmed and you execute Planning of Standard Lots heuristic (SAP_PP_002) with Lot-Size procedure Lot-For-Lot and the default settings, the heuristic will allocate the firmed planned order to the demand and generate a new receipt for the remaining shortage quantity (20).

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If the Planned Order is not firmed, it will also depend on the heuristic settings. For example, SAP_PP_002 has a setting called Reuse Mode - if this is set to "Delete Unfixed Receipts", the unfirmed PlOrd will be deleted and a new one will be generated (for the whole requirements quantity), when necessary.

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To summarize: it's not possible to provide a single reply that will encompass all possible scenarios, given in APO we have multiple heuristics which can be used for production planning, each of them with its own settings. I would recommend you to try out and get acquainted with SAP_PP_002 heuristic, as that will give you a good overview on what settings exist that can affect the planning behavior in PP/DS.

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Regards,

Tiago

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Hi Tiago,

Thanks for your detailed answer. Just some follow-up details and questions.

We would be using the SAP_PP_002 profile and right now, what is transferred from APO to the 100 demand, and the 80pcs planned order for the Finished product.

My question is really with the semi-finished product attached. Would the depreq be following the 100 quantity that is from the demand or would it be proposing only 80, because of the 80pcs planned order?

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Hi Raf,

If you run SAP_PP_002 for the semi-finished product, it will cover the dependent demand quantity generated for the component (from the 80 PCs PlOrd), the remaining shortage from finished product level is not considered.

Regards,
Tiago

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