SAP Transaction OMMO: A Step-by-Step Guide for SAP Users
Welcome to our tutorial on SAP transaction OMMO, a powerful transaction code used in SAP Materials Management (MM) module. In this tutorial, we will provide you with a detailed guide on how to effectively utilize OMMO for managing material master data in your SAP system. Whether you are a beginner SAP user or an experienced consultant, this tutorial will equip you with the necessary knowledge to navigate through OMMO seamlessly.
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Now, let’s begin our tutorial on using SAP transaction OMMO.
What is SAP Transaction OMMO?
SAP Transaction OMMO (Material Master Data) is a key transaction code used in SAP MM to create, change, and display material master data. Material master data contains detailed information about materials, such as their description, pricing, inventory management settings, and more. With OMMO, you can efficiently manage and maintain the material master data in your SAP system, ensuring accurate and up-to-date information.
Step 1: Accessing SAP Transaction OMMO
To start using OMMO, 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 click on “Material” to proceed to the OMMO transaction.
Step 2: Understanding OMMO Transaction Screen
Once you have accessed OMMO, you will encounter the OMMO transaction screen, which consists of various fields and tabs. Let’s explore each of them:
- Basic Data: This section contains the main fields for entering general information about the material, such as material type, base unit of measure, and material group.
- Purchasing: Here, you can define purchasing-related details for the material, such as the purchasing group, valuation class, and purchasing organization.
- Sales: The sales tab allows you to configure sales-related settings for the material, including pricing, delivery, and billing information.
- Plant Data/Stor. 1: This tab enables you to specify plant-specific data for the material, such as the storage location, storage bins, and availability check settings.
- Accounting: In the accounting tab, you can define accounting-related information for the material, such as the general ledger (G/L) account assignments and cost center.
- MRP 1: This tab is used to configure material requirements planning (MRP) settings for the material, such as the MRP type, lot sizing procedure, and safety stock.
- Work Scheduling: Here, you can define work scheduling-related details for the material, including the production scheduling profile and scheduling margin key.
- Classification: The classification tab allows you to assign classification attributes to the material, such as product hierarchy, industry sector, and material group.
- Additional Data: In this tab, you can find any additional custom fields specific to your organization’s requirements.
Step 3: Creating or Changing Material Master Data with OMMO
To create or change material master data using OMMO, follow these steps:
- Start by filling in the necessary fields in the “Basic Data” section:
- Material Type: Select the appropriate material type for the material you are creating or changing.
- Base Unit of Measure: Specify the base unit of measure for the material, such as pieces, kilograms, or liters.
- Material Group: Choose the material group to which the material belongs.
- Move to the relevant tabs (e.g., Purchasing, Sales, Plant Data/Stor. 1) and enter the required information specific to each tab.
- Once you have entered all the necessary information, click on the “Save” button to save the material master data.
Congratulations! You have successfully created or changed material master data using SAP transaction OMMO.
Step 4: Displaying Material Master Data with OMMO
OMMO also allows you to display existing material master data. To do so, follow these steps:
- Access OMMO following the steps mentioned in Step 1.
- Enter the material number or use the search function to find the material master data you want to display.
- Click on the “Display” button to view the material master data.
Conclusion
In this tutorial, we have provided you with a step-by-step guide on using SAP transaction OMMO in the SAP MM module. We covered the basics of OMMO, explained how to create or change material master data, and demonstrated how to display existing material master data. Remember, practice and continuous learning are key to becoming proficient in SAP MM.
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