define a purchased order as a requirement in MRP

[Kobra]

Hi, How do I define a purchased order as a requirement in MRP, and after running MRP, how do I get a planned order in the production company?

[alizamani · Accepted solution]

Hi kobra

To define a purchase order as a requirement in Material Requirements Planning (MRP) and get a planned order in the production company in SAP, you need to follow a series of steps. Here’s a detailed guide:

Step 1: Define the Purchase Order as a Requirement

1. Create a Purchase Requisition:

   • Transaction code: ME51N
   • Fill in the necessary details such as material, quantity, delivery date, plant, and purchasing group.
   • Save the purchase requisition.

2. Convert Purchase Requisition to Purchase Order:

   • Transaction code: ME21N
   • Enter the purchase requisition number and convert it to a purchase order.
   • Ensure the purchase order is completed and saved.

Step 2: Configure MRP to Consider the Purchase Order

1. Maintain Material Master Data:

   • Transaction code: MM02
   • Enter the material number.
   • Go to the MRP views (MRP 1, MRP 2, MRP 3, MRP 4).
   • Ensure the MRP Type is set to PD (MRP).
   • Set the appropriate Lot Sizing Procedure and other relevant MRP parameters.
   • Save the changes.

2. Maintain MRP Control Parameters:

   • Transaction code: MD02 (for single item, single level) or MD01 (for total planning).
   • Enter the material and plant.
   • Set the appropriate planning parameters like processing key (e.g., NETCH for net change planning).

Step 3: Running MRP

1. Execute MRP Run:
   • Transaction code: MD01 (for total planning) or MD02 (for single-item, single-level planning).
   • Enter the necessary parameters like plant, MRP controller, and planning horizon.
   • Execute the MRP run.

Step 4: Review Planned Orders

1. Check Planned Orders:

   • Transaction code: MD04 (Stock/Requirements List).
   • Enter the material and plant.
   • Review the planned orders generated by MRP. You should see planned orders if there are requirements (such as dependent requirements from a purchase order).

2. Convert Planned Orders to Production Orders (if needed):

   • Transaction code: MD15 (Collective Conversion of Planned Orders).
   • Select the planned orders you want to convert.
   • Convert the selected planned orders into production orders.

Important Points to Note

• Integration: Ensure that the integration between MRP and purchasing is correctly configured so that purchase orders and requisitions are considered during the MRP run.
• Master Data Accuracy: Accurate master data (material master, BOM, routing) is crucial for MRP to generate correct planned orders.
• MRP Type: The MRP type in the material master should be set to a type that allows for planning (e.g., PD).
• MRP Parameters: Ensure that the MRP parameters (such as lot size, safety stock, reorder point) are appropriately set.
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