7058_TSCM_50-2ª_parte_(6-11)
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7058_TSCM_50-2ª_parte_(6-11)


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E-MSG 
MÁSTER EN SOFTWARE DE GESTIÓN DE EMPRESA 
SAP R/3 
 
2003-2004 
Certificación MM (7058) 
Juan Carlos Sarrasi-Xavier Rovira
TSCM 50-2ª parte (6-11) 
 
 
© SAP AG TSCM50 6-1 
\uf8e9 SAP AG 2001
Planning Run
z Executing the planning run
z Planning file
z Control parameters for materials planning
Contents
 
 
 
 
© SAP AG TSCM50 6-2 
\uf8e9 SAP AG 2001
z Distinguish between the various planning run
types and creation indicators for the MRP run
z Explain other important factors influencing the
MRP run
z Carry out MRP as single-item planning
At the conclusion of this unit, you will be able to:
Planning Run: Unit Objectives
 
 
 
 
© SAP AG TSCM50 6-3 
\uf8e9 SAP AG 2002
Planning Run: Overview Diagram
Planning Run
333
Planning Prerequisites111
44
Lot-Size Calculation
Planning Result and Evaluation
222 Reorder Point Planning
555
444
 
 
 
 
© SAP AG TSCM50 6-4 
\uf8e9 SAP AG 2001
Executing the Planning Run
Requirements planning for a plant - background 
processing (total planning)
Planning run for one plant - online (total planning)
Planning run for one material - online 
(single-item planning)
Plant
AA
MaterialMaterial
Plant
The scope of planning enables materials requirements
planning across plants or for each MRP area
 
 
 
„ You can carry out the planning run as a total planning run for one specific plant. With this procedure, 
all the materials that are relevant for planning for a particular plant are planned. It includes BOM 
explosion for BOM materials. 
„ The total planning run can be carried out online or in the background processing mode. If you want 
to execute the total planning for several plants and/or MRP areas, use the scope of planning function. 
You define a scope of planning in Customizing, by specifying its plant and MRP area. 
„ You can carry out the requirements planning run as single-item planning for an individual material. 
In this case, the planning run is carried out for one particular material either single or multi-level. In 
single-level, single-item planning, the system only plans the BOM level of the selected material. In 
multi-level, single-item planning, the system plans the level of the selected material plus all the 
lower BOM levels. 
 
 
© SAP AG TSCM50 6-5 
\uf8e9 SAP AG 2001
Planning File Entry
Customizing Material master record
Materials planning
Plant 1000
Active
 X
Material 1, Plant 1000
MRP type VB
Planning file entry
Low-level
code
Material Plant NETCH NETPL ...
005
...
1 1000 X X
MRP-relevant
change
MRP-relevant
change in
planning horizon
MaterialMaterial
 
 
 
„ The planning file contains entries for all the materials in a plant relevant to planning, provided that 
MRP is activated for the plant. 
„ The planning file controls the planning run and the scope of the planning. 
„ When a change relevant to planning (for example, creation of a purchase order) occurs, a change 
indicator is set in the planning file for the respective entry (file entry NETCH). When a change 
relevant to planning occurs within the planning horizon, another change indicator is set (file entry 
NETPL). 
„ In Customizing, you can define the planning horizon as a plant parameter or as a MRP group 
parameter. 
„ Changes relevant to planning can be: 
- Changes involving stocks, provided they change the stock/requirements situation of the 
material. 
- The addition of purchase requisitions, purchase orders, planned orders, sales requirements, 
forecast requirements, dependent requirements, or reservations. 
- Changes to fields relevant to planning of these goods receipts or issues, or of the material 
master record. 
- The deletion of goods receipts or goods issues. 
 
 
© SAP AG TSCM50 6-6 
\uf8e9 SAP AG 2001
Planning Run Types
NEUPL - Regenerative planning
NETCH - Net change planning
NETPL - Net change planning in the planning horizon
Planning file entry
Low-level
code
Material Plant ...
005
...
1 1000
Planning file entry
Low-level
code
Material Plant
005
...
1 1000
Planning file entry
Low-level
code
Material Plant
005
...
1 1000
NETCH
NETCH
X
X
...
NETPL ...
X
 
 
 
„ Requirements planning can be carried out for various numbers of materials. The planning run type 
controls the scope of the materials to be planned. You can specify the planning run type in the 
Processing key field on the initial screen. 
„ The following types of MRP runs are possible: 
- Regenerative planning (processing key NEUPL): The system plans all materials that are 
included in the planning file, irrespective of all indicators. 
- Net change planning (processing key NETCH): The system only plans those materials that are 
provided with the change indicator NETCH. 
- Net change planning in the short-term planning horizon (processing key NETPL): The system 
only plans those materials provided with the change indicator NETPL. 
„ On completion of the planning run, the appropriate indicator is automatically deleted in the planning 
file: 
- The system deletes the total change indicator and the net change indicator for a regenerative 
planning run and a net change planning run. 
- The system only deletes the net change planning indicator for a net change planning run in the 
planning horizon. 
 
 
 
© SAP AG TSCM50 6-7 
\uf8e9 SAP AG 2001
Planning in the Planning Horizon
NETPL:
Material is planned
NETPL:
Material is plannedPlanning horizon
Time
Planning horizon
!!! Time
NETPL:
Material is 
not planned
NETPL:
Material is 
not planned
Today
Today
 
 
 
„ In order to accelerate planning, it can be limited to a certain planning horizon. Only those 
requirements that are within the planning horizon are covered by receipts. 
„ As time passes, requirements can occur in the planning horizon that have not yet been covered by 
receipts. If no other changes relevant to planning occur, these requirements will only be covered 
during the next planning run over the entire time frame. This is why this kind of planning run should 
be carried out on a regular basis. 
„ In Customizing, the planning horizon is defined as a plant or MRP group parameter. 
 
 
 
© SAP AG TSCM50 6-8 
\uf8e9 SAP AG 2001
Control Parameters Materials Planning
Processing key
NEUPL
NETCH
NETPL
Create purchase
requisition
1
2
3
in the opening period
Schedule lines
1
2
3
in the opening period
Create MRP list
1
2
3
only if exception message
no MRP list
Planning mode
1
2
3
New BOM and routing
Delete planning data
Adjust data
basic
 
 
 
„ When starting the planning run, specify the following control parameters for materials planning: 
 - Processing key: Determine the planning type as regenerative planning or net change planning in the 
complete horizon, or limited in the planning horizon. 
 - The Create purchase requisition and Schedule lines indicators are only relevant for externally-
procured materials. You can determine if and when purchase requisitions and schedule lines are 
required as a result of the planning run. 
 - You can also determine whether the planning run is to create MRP lists. It is therefore possible to 
create MRP lists depending on whether certain exception messages appear. (You can define the 
exception messages that mean a MRP list will be created in the Customizing step Define and Group 
Exception Messages). 
 - Finally, determine with the planning mode, whether the existing planning just needs to be adjusted, 
or whether BOMs and routings need to be exploded again, or whether the planning should be 
recreated from scratch. 
„ The creation indicators for purchase requisitions, schedule