SAP Transaction OMM1: A Step-by-Step Guide for SAP Users
Welcome to our tutorial on SAP transaction OMM1, a powerful transaction code used in the SAP Materials Management (MM) module. Whether you are a beginner SAP user or an experienced consultant, this tutorial will provide you with detailed instructions on how to effectively use OMM1 to manage your material master records. By following the steps outlined in this guide, you will be able to navigate through OMM1 with ease and optimize your material management processes.
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Now, let’s dive into our tutorial on using SAP transaction OMM1.
What is SAP Transaction OMM1?
SAP Transaction OMM1 (Create Material Types) is a transaction code used in SAP MM to create and configure material types. Material types are used to classify materials based on their characteristics and attributes. OMM1 allows users to define new material types or modify existing ones, enabling precise categorization and streamlined material management.
Step 1: Accessing SAP Transaction OMM1
To start using OMM1, follow these steps:
- Log in to your SAP system using your user ID and password.
- Launch the SAP Easy Access Menu.
- Navigate to the “Logistics” folder and expand it.
- Locate and click on the “Materials Management” folder.
- From the sub-menu, select “Material Master” and choose “Material Types”.
- Next, click on “Create” to proceed to the OMM1 transaction.
Step 2: Understanding OMM1 Transaction Screen
Once you have accessed OMM1, you will encounter the OMM1 transaction screen, which consists of various fields and tabs. Let’s explore each of them:
- Material Type: This field displays the material type currently being created or modified.
- General Data: Here, you can define the general attributes of the material type, such as the material type description, industry sector, and base unit of measure.
- Screen Layout: This tab allows you to configure the screen layout for the material type, specifying which fields are visible and editable during material master creation or maintenance.
- Control Data: In this section, you can set various control parameters for the material type, such as whether it is a configurable material, batch management is enabled, or serialization is required.
- Accounting Data: The accounting data tab provides options to define accounting-related settings for the material type, including valuation class, price control, and cost of goods sold account.
- Purchasing Data: Here, you can specify purchasing-related details for the material type, such as the purchasing group, purchasing organization, and order unit.
- Sales Data: This tab allows you to configure sales-related settings for the material type, such as the sales organization, distribution channel, and delivery plant.
- Plant Data/Stor. 1: In this section, you can define plant-specific data for the material type, such as storage location, storage conditions, and availability check settings.
- Storage 2: The storage 2 tab allows you to further customize the storage-related parameters for the material type, including storage bin, storage unit, and putaway strategy.
- MRP 1: Here, you can set material requirements planning (MRP) parameters for the material type, such as MRP type, lot-sizing procedure, and safety stock level.
- MRP 2: The MRP 2 tab provides additional options for configuring MRP settings, including consumption mode, reorder point, and fixed lot size.
- Quality Management: In this section, you can define quality management settings for the material type, such as inspection type, inspection interval, and sampling procedure.
- Classification Data: The classification data tab allows you to assign classification characteristics and values to the material type, enabling further categorization and classification.
- Purchasing Texts: Here, you can maintain purchasing texts for the material type, providing additional information or instructions for the purchasing process.
- Material Classification: This tab displays the material classification details for the material type, including the class type, class, and characteristic values.
- Additional Data: In this section, you can define additional data for the material type, such as base unit of measure conversion, alternative units of measure, and weight and volume data.
Step 3: Creating or Modifying Material Types with OMM1
To create or modify material types using OMM1, follow these steps:
- Start by selecting the material type you want to create or modify from the list of available material types.
- Once you have selected the material type, navigate through the various tabs and fields to define or modify the desired attributes and settings.
- Fill in the necessary information for each tab, such as general data, control data, purchasing data, and so on.
- Make sure to save your changes by clicking on the “Save” button before exiting the transaction.
Congratulations! You have successfully created or modified material types using SAP transaction OMM1.
Step 4: Leveraging Additional Functionality
SAP transaction OMM1 offers various additional functionalities to enhance your material management processes. Here are some notable features you can leverage:
- Display Material Types: Use OMM1 to display existing material types by entering the material type code or description. This allows you to review and analyze the characteristics and settings of each material type.
- Copy Material Types: OMM1 enables you to copy existing material types, saving time and effort in creating similar material types with minor modifications. Simply select the source material type and specify the target material type.
- Delete Material Types: If required, OMM1 allows you to delete material types that are no longer needed. However, exercise caution when deleting material types, as it may impact the data integrity of your material master records.
Conclusion
In this tutorial, we have provided you with a comprehensive guide on using SAP transaction OMM1 in the SAP MM module. We covered the basics of OMM1, explained how to create or modify material types, and explored additional functionalities. Remember, continuous learning and practice are essential to mastering SAP MM.
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