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SAP Transaction OMMK: A Step-by-Step Guide for SAP Users

SAP Transaction OMMK: A Step-by-Step Guide for SAP Users

Welcome to our tutorial on SAP transaction OMMK, an essential transaction code used in SAP Materials Management (MM) module. In this tutorial, we will provide you with a detailed guide on how to effectively use OMMK for managing material master data in your SAP system. Whether you are a beginner or an experienced SAP user looking for a refresher, this tutorial will equip you with the necessary knowledge to navigate through OMMK effortlessly.

Before we delve into the details, we would like to introduce you to a valuable resource that can enhance your SAP MM skills and help you become an expert in the field. Check out the SAP MM online video training offered by our expert SAP MM consultant. This comprehensive training program is available at roadtoexpert.com. By enrolling in this training, you can gain in-depth knowledge and practical insights to boost your proficiency in SAP MM and accelerate your career growth.

Now, let’s embark on our tutorial on using SAP transaction OMMK.

What is SAP Transaction OMMK?

SAP Transaction OMMK (Material Master Configuration) is a vital transaction code used in SAP MM to configure material master data. It allows users to define and maintain various attributes of materials, such as material types, views, and organizational data. With OMMK, you can seamlessly manage and customize material master data, ensuring accurate and efficient material management processes.

Step 1: Accessing SAP Transaction OMMK

To begin using OMMK, follow these steps:

  1. Login to your SAP system using your user ID and password.
  2. Launch the SAP Easy Access Menu.
  3. Navigate to the “Logistics” folder and expand it.
  4. Locate and click on the “Materials Management” folder.
  5. From the sub-menu, select “Material Master” and then choose “Material” to proceed to the OMMK transaction.

Step 2: Understanding OMMK Transaction Screen

Once you have accessed OMMK, you will encounter the OMMK transaction screen, which consists of various tabs and fields. Let’s explore each of them:

  • Basic Data 1: This tab allows you to define the general information of the material, such as material type, industry sector, and base unit of measure.
  • Basic Data 2: Here, you can specify additional details for the material, such as division, material group, and material description.
  • Sales: This tab enables you to configure sales-related information for the material, including sales organization, distribution channel, and pricing group.
  • Purchasing: In this tab, you can define the purchasing-related attributes of the material, such as purchasing group, plant-specific data, and valuation class.
  • Plant Data/Stor. 1: Here, you can set the plant-specific data for the material, such as storage location, storage conditions, and batch management.
  • MRP 1: This tab allows you to configure the material requirements planning (MRP) settings for the material, including MRP type, lot-sizing procedure, and reorder point.
  • Accounting 1: In this tab, you can define the accounting-related information for the material, such as valuation class, price control, and standard price.
  • General Plant Data: Here, you can maintain general plant-specific information for the material, such as weight and volume.
  • Classification: This tab enables you to assign classification values and characteristics to the material for easy categorization and searching purposes.
  • Purchasing Value Key: In this tab, you can assign a purchasing value key to the material for valuation and reporting purposes.
  • Legal Control: If applicable, this tab allows you to maintain legal control data for the material, such as export control classification number (ECCN) and license requirement.
  • Additional Data: Here, you can enter any additional data or notes specific to the material.

Step 3: Configuring Material Master Data with OMMK

To configure material master data using OMMK, follow these steps:

  1. Start by selecting the appropriate material type in the “Basic Data 1” tab.
  2. Proceed to fill in the necessary fields in each tab based on the specific requirements of the material. Ensure to provide accurate and relevant information.
  3. Once you have entered all the necessary data, click on the “Save” button to save the changes and create/update the material master data.

Congratulations! You have successfully configured material master data using SAP transaction OMMK.

Step 4: Exploring Additional Functionality

SAP transaction OMMK offers various additional functionalities to enhance your material master data management. Here are some notable features you can leverage:

  • Display Material Master Data: Use OMMK to display existing material master data by entering the material number and other relevant criteria. This allows you to review and analyze the attributes of materials in your SAP system.
  • Change Material Master Data: OMMK also enables you to modify existing material master data. You can edit fields such as material description, unit of measure, or other relevant details. Simply enter the material number and make the necessary changes.
  • Mass Maintenance: If you need to make changes to multiple materials simultaneously, OMMK provides a mass maintenance option. This feature allows you to update common attributes across a group of materials, saving time and effort.
  • Material Data Export/Import: OMMK supports the export and import of material master data. You can export material data to an external file for analysis or share it with other systems. Similarly, you can import material data from an external file to update your SAP system.

Conclusion

In this tutorial, we have provided you with a comprehensive guide on using SAP transaction OMMK in the SAP MM module. We covered the basics of OMMK, explained how to configure material master data, and explored additional functionalities. Remember, continuous learning and practice are key to becoming proficient in SAP MM.

To further enhance your skills in SAP MM, we highly recommend our SAP MM online video training, designed by our expert SAP MM consultant. This training program offers comprehensive modules and hands-on exercises to help you become an SAP MM expert. Visit roadtoexpert.com to learn more and take your SAP MM skills to new heights.




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