Cable Drums - Intergraph Smart Electrical - Help - Hexagon

Intergraph Smart Electrical Help

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Smart Electrical provides for the management of cable drums. You can create cable drums and assign one or more cables to a cable drum. The cable drum assignment feature helps you plan cabling tasks and optimize cable drum use. It also allows you to determine cable lengths so that you can purchase cables while minimizing a shortage or surplus of cable at the end of the plant.

Before you begin, make sure that you have defined cable pulling areas in the Data Dictionary Manager. For more information, see the Data Dictionary Manager help.

You can assign cables to drums manually or automatically.

Manual Assignment

When assigning cables to drums manually, you associate a drum with a specific reference cable. You can define multiple drum sizes for each reference cable. These drum sizes are based on various cable lengths that a drum can hold. After you associate a drum with a reference cable that has multiple drum sizes, you can select the most appropriate drum size for a particular drum. For details, see Create a Cable Drum.

Automatic Assignment

When assigning plant cables to drums automatically, the software optimizes the cable assignment. Smart Electrical optimizes this assignment based on the drum sizes, the maximum percentage of free cable length on the drums and the scrap cable length that you have defined for each reference cable that you select for drum assignment. See Optimization of Cable Drum Assignment and Define Manual Cable Cuts.

You perform automatic cable assignment by using the Assign Drums to Cables wizard. When using the wizard, you define the assignment parameters by selecting the following:

  • All the available reference cables or just one specific reference cable.

  • One or more pulling area.

The wizard will then assign all the plant cables that comply with these parameters. Furthermore, the software will optimize cable assignment to the drums based on the drum sizes, the maximum percentage of free cable lengths on the drums, and the scrap cable length that you have defined for each reference cable that you selected in the wizard. For details, see Batch Assignment of Cables to Cable Drums.

Although the order might vary, the following activities are essential elements in cable drum assignment for a given pulling area:

  • Create reference cables and define sets of cable lengths so that you can optimize cable assignment to drums.

  • Create plant cables based on the reference cables.

  • Create cable drums for all of the reference cables used in the pulling area.

  • Assign all of the plant cables in the pulling area to cable drums.

For detailed information about the logic used by Smart Electrical to optimize cable drum assignment, see Optimization of Cable Drum Assignment.