Basically correct.
One function I feel important to mention, is the low level code (stored in
the item master IIM). The MRP500 and MRP600 create demand (In KMR and KFP)
in sequence starting with the highest low level code  (code 0), and loops
all the way down to the lowest level codes items.

Everytime a BOM is created or revised, after  exiting the program, there is
a routine that recalculates the low level code of the components and parents
affected. There is also a reorg program that resequences the low level code,
in case of data corruption. But I never had to run that reorg. The low level
code calculation when exiting the BOM program proved to be very stable in

Daniel Warthold

----- Original Message -----
From: "p d" <prd2005@xxxxxxxxxxxxxx>
To: <bpcs-l@xxxxxxxxxxxx>
Sent: Wednesday, August 10, 2005 12:37 AM
Subject: [BPCS-L] MRP-MPS query


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.


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