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Set up MRP to accomplish the following...

Mar 02 at 03:18 PM


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Hi everyone,

I'm fairly new to SAP so some of this may be obvious - but I'd appreciate any input.

At our plant we use MRP to plan our raw material purchases. Currently we have make to stock (our "supermarket" items, that we hold inventory of) and make to order products. We have a long change-over wheel that takes us a few weeks to get through our products. We plan our production schedule months in advance and upload the requirements into SAP as PIR-VSE requirements which then trigger raw material purchasing. For the most part this works well, however we have run into a few issues...

With the way our MRP is set up currently, SAP generates purchase reqs for both our uploaded PIR forecast as well as any sales orders placed on us. This is causing us to order excess raw material inventory. For our make-to-stock products, we want MRP to only consider our uploaded PIR forecast and ignore sales orders. Our forecast already takes into account sales orders placed on us. So my first question is, how could this be accomplished?

For make to order products, we want MRP to consider sales orders and generate raw material requirements from them as we do not upload a forecast.

Our finished products are set up as:

MRP Type: PD

Strategy: 52

My thought was to change the MRP type to forecast only ('VV'), but I'm unsure if that will cause any other problems.

Thanks for your help.


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2 Answers

Caetano Almeida
Mar 02 at 03:20 PM

Hi Devin

If you want to completely ignore the sales orders and purchase/produce based in the forecast only, then you should use planning strategy 11. See details below:


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Senthil Nathan K Mar 06 at 09:43 AM

Dear Devin,

If you wan the system to ignore sales order stocks please use the strategy 10 or 11.

Strategy 10 will consider the existing stock and do Net requirements calculation and 11 will not cosnider the existing stock and it will propose purely based on PIR value uploaded.

Kindly get back for any further clarifications.

Best Regards

SenthilNathan Karunanithi

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