Re: MRP-MPS query

You are correct with your logic for MPS/MRP. MPS Generation (MRP500) 
creates requirements (KFP) for the Forecasted requirement and/or your 
customer orders (depending on how you set the Demand code in 
MRP140/INV100), and passes the requirement down to the first level in the 
bill-of-material. MRP Generation (MRP600) then "explodes" the lower level 
items to reflect the B/M requirements. Remember that in an assemble to 
order or build to order scenario you may have to use a planning B/M to 
represent the features/options and standard parts that represent a 
cross-section of the product for inventory planning. In those cases you 
create a B/M for an item type 5 item and use BOM600 to create the B/M 
instead of BOM500. Your Forecast is created for the item type 5 item and 
it will generate pegged requirements just as any other item. 

In version 6.04 I ran into a situation where MPS/MRP seemed to get 
"confused" and did not plan any requirements even though all the 
supporting records were set up correctly. When I called the "Help Line" 
they told me to clear the KMR and KFP files, rebuild the Forecast, and 
re-plan. This worked, but if you have a lot of Forecasted items it can be 
a bit of a "pain in the neck". Good Luck. I have always had very good luck 
with BPCS MPS/MRP/Finite Scheduling. It works.



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[BPCS-L] MRP-MPS query






  
 
 
Hi,

Would like to have your feedback on following (my understanding of MPS-MRP 
processes in BPCS):

Forecast (in case of make-to-stock) or Customer Order (in case of 
make-to-order or assemble-to-order scenario) creates Demand or Requirement 
for FG (Finished Goods) MPS item i.e. KMR record for FG MPS item.

Upon running MPS (MRP500-Master Schedule), this Demand or Requirement 
(KMR) drives & creates Planned Order (KFP record) for this FG MPS item 
which further drive & creates Demand or Requirement (KMR) for next (Child) 
MPS item which in-turn creates Planned Order (KFP) for that MPS item. This 
continues till the end of BOM structure.

Upon running MRP (MRP600-Explode Requirements) which takes MPS item 
Planned Order (KFP) as Input & generates Demand or Requirement for next 
(Child) non-MPS item which in-turn creates Planned Order (KFP) for the 
same non-MPS item. This continues till end of explosion of all MPS items.

Pl. correct me wherever I am wrong.

Regards,
Prashanth