The tables below show the item types that are validated or calculated by the ItemTag Validation and the column names where modifications trigger calculation and validation. Calculation or validation for an item is triggered when any property that comprises the Item Tag value is added or modified in the drawing.
Legend
Italics: Required for checking item tag uniqueness.
Bold Italics: Required for the item tag but can be generated automatically when you enter a value for Tag Suffix or Tag Prefix.
Instrument |
|
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Item Tag Structure |
Measured Variable Code Instrument Type Modifier Tag Sequence Number Loop Tag Suffix Tag Suffix |
Format |
(Measured Variable Code)(Instrument Type Modifier)-(Tag Sequence Number) Loop Tag Suffix(Tag Suffix) |
Instrument Loop |
|
---|---|
Item Tag Structure |
Instrument Loop Function Tag Sequence Number Tag Suffix |
Format |
(Instrument Loop Function)-(Tag Sequence Number)(Tag Suffix) |
Pipe Run |
|
---|---|
Item Tag Structure |
Unit Code Tag Sequence Number Tag Suffix Fluid Code |
Format |
(Unit Code)(Tag Sequence Number)(Tag Suffix)-(Fluid Code) |
Duct Run |
|
---|---|
Item Tag Structure |
Unit Code Tag Sequence Number Tag Suffix Fluid Code |
Format |
(Unit Code)(Tag Sequence Number)(Tag Suffix)-(Fluid Code) |
Equipment |
|
---|---|
Item Tag Structure |
Tag Prefix Tag Sequence Number Tag Suffix |
Format |
(Tag Prefix)-(Tag Sequence Number)(Tag Suffix) |
Room |
|
---|---|
Item Tag Structure |
Tag Prefix Tag Sequence Number Tag Suffix |
Format |
(Tag Prefix)-(Tag Sequence Number)(Tag Suffix) |
Nozzle |
|
---|---|
Item Tag Structure |
Tag Prefix Tag Sequence Number Tag Suffix |
Format |
(Tag Prefix)(Tag Sequence Number)(Tag Suffix) |
Signal Run (Plant Item Type: Pipe Run) |
|
---|---|
Item Tag Structure |
Unit Code Tag Sequence Number Tag Suffix Fluid Code |
Format |
(Unit Code)(Tag Sequence Number)(Tag Suffix)-(Fluid Code) |
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To refresh the instrument loop tag suffix in the Properties window, clear the selection of the instrument and then select it again.
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All calculated Item Tag properties listed in the tables are read-only.
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The Configure Item Tag Utility allows you to customize the above item tag formats without need to make code changes and recompile the ItemTag.dll file. For details, see Configuring Item Tag Formats, Configuring Item Tag Formats.