Siemens SIMATIC PCS 7 System Manual page 64

Material management
5.3 Material types
Editing material types
To edit the properties of a material type, follow these steps:
1. Select the "Material types" group in the navigation area of the APF engineering tool.
All defined material types are displayed in a table in the working area.
2. Click in the row of the material type to be edited and make the required changes.
3. Click the "Save" button to save the changes.
4. Click the "Dismiss" button to discard the changes.
Deleting material types
It is not possible to delete, in order to ensure the consistency of data.
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Advanced Process Functions Engineering Manual
System Manual, 07/2016, A5E38719921-AA