Material is procured from external or internal
sources on the basis of the requirements determined by Material Requirements
Planning. The delivery is entered in Inventory Management as a goods receipt.
The material is stored (and managed under Inventory Management) until it is
delivered to customers (Sales & Distribution), or is used for internal
purposes (for example, for production).
During
all transactions, Inventory Management accesses both master data (such as
material master data) and transaction data (such as purchasing documents)
shared by all Logistics components.
Integration
in Materials Management
As a component of Materials Management, Inventory Management is
directly linked with Material Requirements Planning, Purchasing, and Invoice
Verification.
Inventory Management provides information for MRP, which takes
into account not only physical stocks but also planned movements (requirements,
receipts).
When a material is ordered from a vendor, Inventory Management
posts the delivery as a goods receipt with reference to the purchase order. The
vendor invoice is processed later by Invoice Verification. Here, the quantities
and values from the purchase order and the goods receipt document are checked
to ensure that they match those in the invoice.
MM
with PP module :
SAP MM
deals with the material procurement on the basis of Production required,
therefore it is linked with PP module. It is integrated in the area like MRPs,
Receipt and Issue material against Production Order.
Ø
Material Requirement Planning is based on Stocks, expected
receipts, expected issues.
Ø MRP
generates planned orders or purchase requisitions which can be converted into
Purchase Order/ Contract.
Ø Inventory
Management is responsible for the staging of the components required for
production orders.
Ø The
receipt of the finished products in the warehouse is posted in Inventory
Management.
MM
with SD module :
SAP SD module is proportionally linked
with MM module because it uses the information of the material when creation of
sales order or when the quantity sent for production.
Ø
It is integrated in the area like Delivery, Availability Check,
Stock Transfer Requirements etc.
Ø As
soon as the Sales order is created, can initiate a dynamic availability check
of stock on hand.
Ø When
the delivery is created, the quantity to be delivered is marked as schedule for
delivery. It is deducted from the total stock when the goods issue is posted.
Ø PO
can be directly converted to delivery for a stock transfer requirement.
Ø It
is also possible to create sales order stocks.
MM
with WM module :
The SAP WM module is related to MM module
because it maintains information about the material storage and material
transfer inside the organization.
Ø The
Inventory Management system can be extended by the Warehouse Management
system (LE-WM) which manages storage bins in complex warehouse structures.
Ø
While Inventory Management manages the stocks by quantity and
value, the Warehouse Management component reflects the special
structure of a warehouse, and monitors the allocation of the storage bins and
any transfer transactions in the warehouse.
MM
with FICO module :
The FI module is linked with MM module because
every operation performed in MM Module like Goods Receipt and Invoice Receipt
directly impact the financial operation of the organization.
Ø
It is integrated in the area like Material Valuation, Vendor
Payment, Material Costing, etc.
Ø Whenever
inventory posting are debited, it updates the G/L Accounts online in the
background.
Ø Logistic
Invoice Verification will vendor liability in vendor account immediately on
posting the document. Any advance given again update the PO History. For every
Inventory Posting is corresponding CO document to update profit center
accounting reporting Finished Goods costing is link through MM and PP.
Procurement of capital item cost can be directly booked against asset number.
MM
with QM Module :
The
MM module is integrated with QM for Quality Inspection at Goods Receipt.
In the case of goods movement, the system determines whether the
material is subject to an inspection operation. If so, a corresponding activity
is initiated for the movement in the Quality Management System. Based on
quality parameters vendor evaluation is done.
MM
with PM module :
The
material/service requirement is mentioned in Maintenance Order. This leads to
generation of PR. This PR is converted to PO by MM. The goods for a PO will be
in warded to Maintenance by MM. The spares which were reserved for maintenance
order will be issued by MM against the reservation number.
Inventory
Management is linked with Plant Maintenance as follows:
Ø It
is possible to post goods movements with reference to equipment BOMs.
Ø It
is possible to withdraw parts for maintenance orders.
Ø When
serial number management is active, the individual serial numbers are entered
in the case of every goods movement. Serial numbers are managed in the Plant Maintenance
system.
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