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About Logical
The logical data created in the Functional & Logical Design app is used in the design to create the piping/tubing layout and predefined parts.
In the Functional & Logical Designapp, the logical structure and physical structure is created.
The logical structure is created under the Logical node in the RFLP tree structure. For more information about creating logical system, see Piping & Tubing Systems Design User's Guide.
The logical structure consists of :
- Equipment
- Piping/tubing parts
- Pipes/tubes
- Piping/tubing ports
The part number of the physical component from the catalog is defined in the Predefined Part Number box of the logical component.
Example of a piping/tubing logical system:
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To create the 3D representation of the logical components, see Functional & Logical Design User's Guide: Functional and Logical Definition: Creating 3D Representation for Logical Components.
The pathways are created in the Systems 3D Allocation app. For more information, see Systems 3D Allocation User's Guide: Working with Pathways: Creating Pathways.
About Physical
The physical structure is created under the Physical node in the RFLP tree structure.
It consists of:
- Equipment
- Rigid pipes/tubes
- Flexible pipes/tubes
- Piping/tubing parts
Example of a physical structure:
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To synchronize the logical information with the physical one, it is essential to create implement links. These implement links are used to connect elements of different abstraction levels. For more information, see Functional & Logical Design User's Guide: Implement: Creating Implement Relations.
The physical equipment can be placed in the 3D representation of the logical component in the Piping & Tubing 3D Part Designapp using the Place Part 
command. You can move the part in the work area using the Modify command in the West toolbar.
If the predefined numbers are correctly defined in the logical equipment, the corresponding physical elements can be synchronized using the Logical to Physical command. The implement relation is automatically created between the physical and logical equipment when the physical equipment is synchronized.