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Select the Catalog Explorer tree view Loops node.
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In the list view, right-click the instrument loop that you want to place.
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Select Send to Drawing Stockpile or Send to Stockpile from the shortcut menu.
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Define properties for the loop by entering values in the Properties window. The software automatically generates an item tag when you enter a tag suffix.
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Select the item that you want to associate with the instrument loop.
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Select the item tag of the loop from the Loop Tag select list in the Properties window, or you can select the Calculation button
beside the Loop Tag property in the Properties window.
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On the Loop Tag dialog, enter characters in the Search for box to display the available loop tags.
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Select Search Now.
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Choose the appropriate loop from the resulting list.
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If you need to change or modify a loop, and the loop has instrument(s) already assigned to it, you can use the Updating Associated Instruments with Loop Properties (Properties Window) command to select those instruments whose properties you want to update to match the changes in the loop.
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If an instrument-loop association is attempted and the resulting instrument item tag is a duplicate, the association will be canceled and the instrument tag will retain its original value. This can occur for single or multiple instrument-loop associations.
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If an association is made between a loop and a select set consisting of several instruments and the generated item tag for some of the instruments will be duplicates, no associations will be made for the duplicate instruments. A message will be displayed for each duplicate instrument indicating that the instrument tag will retain its original value.
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You can assign the Loop Tag qualifier to instruments that are already placed in your drawing or that reside in the stockpile, and you can place instruments and then create the loop or first create the loop and then assign instruments to it as you place them.
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Because loops are logical collections of instruments rather than physical groupings, you do not need to place the loop symbol in the drawing itself to create an occurrence. Instead, placing the loop in the stockpile adds the loop to the model.
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You can assign a group of instruments and other elements to a loop by creating a select set of them and assigning the correct loop tag for the set.
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Instrument loops normally reside in a stockpile with their members residing on drawings. Moving the instrument loop itself to another stockpile has special limitations. See Move a Stockpile Item to the Stockpile of Another Drawing.
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After you create instrument loops, you can create a customized loop report to generate lists of items in specific loops in your drawing or plant, or you can open the Engineering Data Editor to display elements of the loop.
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If you need to refresh the instrument Loop Tag Suffix display in the Properties window, clear selection of the instrument and then select it again.
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If the Properties window is not visible, you can display it by selecting the instrument or loop and then selecting Edit > Properties on the main menu bar.