MRP processing - Implementation

Prerequisites

Miscellaneous prerequisites

Products are only included in the MRP calculations if their Reorder mode is set to By MRP.

The following parameters need to be assigned:

  • Scheduling parameters (see the Scheduling documentation)
  • MRP parameters (see the MRP documentation)
  • Reorder policy is applied to the product-site record (see the Reorder policy documentation)
  • Management rules for the product-site record (see the Product-site documentation)

General parameters

The following general parameters may change the way the function is working :

Purchase

Bullet point  ITMBPS (defined at level Site) : Supplier referencing

Bullet point  ITMBPSFCY (defined at level Site) : Supplier-site referencing

Manufacturing

Bullet point  DEFDIH (defined at level Site) :  Default schedule

Bullet point  GPERCOMP (defined at level Site) : % LT reduction default

Bullet point  GTPSCOMP (defined at level Site) : Slack time compression

Bullet point  OPEEFFAPP (defined at level Site) : Efficiency application

Bullet point  SCHEDWPO (defined at level Site) : Schedule wait and post-op time

Bullet point  WSTEFFINH (defined at level Folder) : Work center efficiency history

Inventory

Bullet point  FIRWRKDAY (defined at level Site) : First work day of week

Bullet point  LATSUGDAT (defined at level Site) : End date of late suggestions

Bullet point  MAXALLQTY (defined at level Site) : Integrate allocated qty

Bullet point  MRPDYNCOV (defined at level Site) : MRP seasonalized coverage

Bullet point  MRPDYNSAF (defined at level Site) : MRP seasonalized safety stock

Bullet point  MRPRECOVST (defined at level Site) : MRP reduce coverage stock

Bullet point  SETITMLLC (defined at level Site) : Set by-product low level code

Bullet point  STODISSCO (defined at level Folder) : Subcontract stock

Authorizations

An authorization can be granted for this function to limit the processes to a company or a site.

Other prerequisites

The following tables are used by the function. Their content must be updated if necessary:

Table

Table description

ITMBPS [ITP]

Supplier product

ITMBPSFCY [ITPF]

Supplier product site

Tables used

The following tables are implemented by the function:

Table

Table description

CBNDET [CBD]

MRP detail

CBNHEA [CBH]

MRP processing

CBNWRK [CBW]

MRP workfile

ORDERS [ORD]

WIP