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Pull List and Stock Determination inProduction
1. Pull List
The pull list controls the in-house flow of material for
supplying production with materials. The system assumesthat the
components required for production have already been produced
in-house or procured externally andare now available to be
transferred from their current storage location or bin to the
production storage location.The pull list checks the stock
situation at the production storage location and calculates the
quantities ofmissing parts. Replenishment elements can be created
for these missing parts.
2. Master Data
Here we are going to review the key master data needed to use
the Pull List.
2.1. Production Storage Location
Issue location for production order
Number of the issue location from which the material is issued
during the production process. Backflush isposted to this issue
location if required.Use
In production, this is the access sequence in which the
determination of the production storage location occurs:1. First,
the issue storage location of the material to be issued
(MARC-LGPRO) is transferred to the
material master from the MRP data if it isfilled.
2. The system overwrites this value with the issue storage
location from the bill of material (RC29P-LGORT, STPO-LGORT) if it
is filled.
3. If the operation to which the component is assigned in
production order contains a work center withsupply area, the
storage location is transferredfrom this supply area (PVBE-LGORT).
However, this transfer is only carried out if storage location
data(MARD) is maintained for this storage location for the
material.
Ref.: OSS Note: 137225 - Prod. order: Issuing storage location
for component
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Depending on if your component is used in more than one
production storage location, you could asisgn this inthe material
master or in the BOM or through a Supply Area. Let's supose in this
example that we assign this atBOM item level.
This is maintained using t-code CS02. The production storage
location is assigned at item level. Once you arein the BOM, click
twice on each BOM item and go to Status/Lng Text tab:
2.2. Stock determination
The pull list controls the in-house flow of material for
supplying production with materials. The system assumesthat the
components required for production have already been produced
in-house or procured externally andare now available to be
transferred from their current storage location or bin to the
production storage location.This automatic transfer between the
current storage location to the production storage location is
performedbased on the stock determination strategy.
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Strategies for Stock Determination
You make all the settings you require for a stock determination
strategy.You determine a strategy at plant level using the stock
determination group and the stock determination rule(The terms
'rule' and 'group' correspond to the checking group and the
checking rule logic in the availabilitycheck).
The customizing point for the Strategies for Stock Determination
is:SPRO --> Materials Management --> Inventory Management and
Physical Inventory --> Stock Determination --> Define
Strategies for Stock Determination
The stock determination group is assigned to the material in the
material master record.
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3. Pull List Execution
Suppose your business is running the following process: Create
and Schedule process orders: the planner creates the process orders
and the production
scheduler schedules all the process orders. Material staging:
warehouse responsible will receive the list of process orders and
will move
components to the shop floor based on: which is the material
that will be produced and which is theproduction line capacity.
Production execution: production responsible executes the
production of the corresponding processorder.
Goods receipt & confirmation: finished good production
quantity is received and the confirmationis done. At this moment
components are consumed from the production storage location
usingBackflush.
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3.1. Create and Schedule process ordersLets create a process
order and ensure the Production Storage Location is determined
asexpected.
Take a look of the component list. All the components have an
assigned production storage location:
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3.2. Material staging (MF60: Pull List)
The warehouse responsible will move components to the shop floor
(production storage location). This can bedone based on process
order number or entering the material and quantity to be produced
(this is commonlyused when the order takes several days and we only
want to supply components on a daily basis for thecorresponding
production of the day)In this example suppose that the first
process order is: 304472 and its duration is 5 days. The
correspondingfinished good is: 403403 (production version: 0001)
and the production line maximum capacity is 5000CS/day.Material
Staging is executed thru transaction: MF60.
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The pull list checks the stock situation at the production
storage location and calculates the quantities ofmissing parts.
Replenishment elements can be created for these missing parts (this
is the section at the bottomof the screen).
Let's see what is each column: Issue stor. location = production
storage location. This was entered in the bill of material.
NetReqQty = component quantity based on maximum production line
capacity. In case the Pull list is
executed agains an order, here you will see the quantity of the
component determined in the order. Available stock = this is the
available stock in the issue storage location (production
storage
location). This can be the available remaining quantity of the
before production day or shift or order. Quantity staged =
NetReqQty Avail.Stock = This is the remaining quantity to be
moved
to the shop floor (production storage location). RepLoc = is the
warehouse storage location. It is the location found by the stock
determination
strategy.
Finally.. you press Save and the components will be moved from
the main warehouse to the production storagelocation
4. Pull List Global SettingsIf necessary, limit your selection
using the Global settings . Here, you have the choice between:
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General settings
For example, you may choose to display components with missing
quantities only in the pull list or, using theindicator Take all
requirements into account , you may define that the system is to
include the requirementsof all orders that influence the missing
parts situation. If this field is not selected, the system only
includesrequirements for the specific order that you entered in the
missing parts calculation. Here, you can also definewhether your
components are staged at storage location level via direct stock
transfer, or using stock transferreservation.
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Settings for dialog controlHere, you define which procedures are
to be carried out automatically in the pull list and which are tobe
carried out in dialog mode.
You also define whether the system is to save a complete log of
all the messages and whether this log is to bedisplayed
automatically.
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Printing settings
Here, you make the settings for the print list.
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References:Pull List - Repetitive Manufacturing (PP-REM) - SAP
LibraryAccessing the Pull List - Repetitive Manufacturing (PP-REM)
- SAP LibraryOSS Note: 137225 - Prod. order: Issuing storage
location for component