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Rounding Value, Minimum Lot Size and Maximum Lot Size Parameters in combination

Former Member
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Dear all,

it's not yet clear to me what the heuristic does if I use Rounding Value, Minimum Lot Size and Maximum Lot Size Parameters in combination. What is the specified sequence of the parameters? Example: Minimum Lot Size = 250; Rounding Value = 50; Minimum Lot Size = 200; Required net quantity = 556. My current understanding is that - in a first step - the heuristic is splitting the net quantity in three "pieces" (250; 250; 56). Am I right? What is done next? Does the heuristic use the minimum lot size parameter next? That is, 56 is rounded up to 200? Or does the heuristic use the rounding value next? That ist, 56 is rounded up to 100? If the latter, then minimum lot size parameter is used next? Thus, 100 is rounded up to 200? I described by question clear enough. I checked several books and SAP help but didn't find an answer that covers my question completely. Many thanks for your support. Mathias

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Answers (2)

Caetano
Product and Topic Expert
Product and Topic Expert
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Hello Mathias

I suggest you to read the following note, which talks about rounding with minimum/maximum lot size.

49663 - MRP: Rounding and minimum/maximum quantity

Now, considering your example, I don't think it makes sense at all. If the maximum and minimum lot sizes values are the same, you should simply use a fixed lot sizing procedure.

Considering your example, MRP should create three receipts of 250 and the rounding is completely ignored here.

If you want to have the last receipt create with the exact quantity, then you can set the indicator "last lot exact" in the lot sizing procedure.

Regards,

Caetano

Former Member
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Additional hint: in my example maximum lot size is 250