SAP PP – MRP Execution

MRP Elements: Requirements
IndReq (created manually for finished product via MD61)
CusReq (created manually for product via MD81)
DepReq (generated for assembly automatically from finished product planned orders via MD02)
OrdRes (converted from DepReq when finished product planned orders are converted to production orders via MD04)
MRP Elements: Receipts
PlOrd. (generated for finished product based on total requirements via MD02)
LA – stock order
PE – run schedule quantity (quota arrangement)
PrdOrd (converted from finished product planned orders)

Processing Key
NEUPL – Regenerative planning
NETCH – Net Change in Total Horizon
NETPL – Net change planning in the planning horizon
Create Purchase Requisition
1 – Purchase requisitions
2 – Purchase requisitions in opening period
3 – Planned orders
Scheduling Agreement Delivery Schedule Lines
1 – No schedule lines
2 – Schedule lines in the opening period
3 – Schedule lines
Create MRP List
1 – MRP list
2 – Depending on the exception messages
3 – No MRP list
Planning mode
1 – Adapt planning data (normal mode)
2 – Re-explode BOM and routing
3 – Delete and recreate planning data
Scheduling
1 – Determination of Basic Dates for Planned Orders
2 – Lead Time Scheduling and Capacity Planning

Safety Stock
Static safety stock
Dynamic safety stock

Safety Time
Brings forward procurement proposals
Safety time indicator
” – no safety time
1 – only for independent requirements
2 – all requirements

Basic Date Scheduling
In-house Production (Backward Scheduling)
Opening date
Opening period (processing time to convert planned order to production order)
Order start date
In-house production time
Order finish date
GR processing time
Availability date = requirements date
In-house Production (Forward Scheduling)
Opening date (in the past)
Opening period
Order start date = today
In-house production time
Order finish date
GR processing time
Availability date
External Procurement
Release date
Processing time for Purchasing
Planned delivery time
Delivery date

BOM Selection
BOM Usage (spro: define order of priority for BOM usages)
Selection method (material master)
” – selection by order quantity
1 – selection by explosion date (spro: define BOM explosion control)
” – BOM explosion number/order start date
1 – order start date
2 – order finish date
3 – BOM explosion number/order start date
4 – BOM explosion number/order finish date
2 – selection by production version (by order quantity if no production version found)
3 – selection only by production version

Routing Selection
Selection method (material master)
2 – selection by production version (by order quantity if no production version found)
3 – selection only by production version
Selection ID(SPRO: define scheduling parameters for planned orders)
Selection priority
Task list type
Task list usage
Task list status


https://www.guru99.com/material-requirement-planning-sap-pp.html
https://saptribalknowledge.wordpress.com/2017/06/15/sap-planning-run-settings-explained
https://help.sap.com/saphelp_470/helpdata/en/f4/7d275c44af11d182b40000e829fbfe/content.htm?no_cache=true