Enables the Domain Administrator to the create a new lowest plant hierarchy level item or edit properties of an existing lowest plant hierarchy level item. The default lowest plant hierarchy level is <Unit>. Also, you can access a dialog box from which you can copy data to the current <Unit> from a different <Unit> that exists in the current domain.
Parent hierarchy — Displays the plant hierarchy to which the current <Unit> belongs.
Name — Allows you to enter or modify the name of the <Unit>.
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The name must be unique within the current node of the parent level.
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The name must contain at least one character that is not a space.
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The maximum name length is fifty characters.
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Special characters are not allowed, as they may cause unexpected results when creating items in such a unit or copying data into this unit.
Number — Allows you to enter the number to be used as a segment in item naming conventions in the current <Unit>.
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The number must be unique within the current node of the parent level.
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You do not have to define the unit number if you plan to define naming conventions without using the <Unit> number segment. However, you must define the number if you want to copy data from another <Unit> even if in the source <Unit> naming conventions do not include the number segment.
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Special characters are not allowed, as they may cause unexpected results when creating items in such a unit or copying data into this unit.
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If you change the number of an existing <Unit> and click OK, the software displays a prompt message in which you can click Yes to update all existing tag and loop numbers or click No to cancel the change to the <Unit> number. If you click Yes, you are then prompted to update control system tag numbers. If your instruments and loop naming conventions in the current <Unit> include the <Unit> number segment, the software updates this number automatically. When you open the current <Unit> in Smart Instrumentation, you can see that all existing tag and loop numbers have been updated accordingly. The document numbers associated with instruments and loops are not updated.
Note — Allows you to enter a short note for the current lowest plant hierarchy level item. The maximum note length is 200 characters.
Copy From — Opens a dialog box where you select a source lowest plant hierarchy level item for copying data to the current item.