Label Symbols

At any time during the drawing production cycle, AVEVA P&ID graphical items may have intelligent flow diagram data assigned to them by means of a label. Refer to Label Symbols and Pipes. Each label consists of a text string with an AVEVA P&ID item type that identifies the type of label it is. Labels are entered using Properties Dialogs, which can be initialised in many ways:

• Selecting the object, clicking the right mouse button and selecting Properties from the menu

• Selecting the Properties option in Properties group of the Home tab, either with an object selected, or subsequently selecting an object.

• Selecting an item in the Explorer, clicking the right mouse button and selecting Properties. This zooms to the item, selects it and displays the Properties dialog.

  Note: The current properties of items can be viewed on the drawing page by hovering the cursor over the symbol in question.

The labelling operation has many modes of behaviour depending on the entity/element or group of entities/elements being labelled. It also used to edit standard CAD software text.

The command may operate automatically when a symbol is inserted. This is known as 'auto-labelling'. Auto-labelling for categories of items is switched on and off using the facilities in the Pipeline group of the Home tab. Whether or not auto-labelling is on by default is set in the Miscellaneous - Labels Sub-Category of the AVEVA P&ID Project Administration program.

Labels are added on top of the graphics, thus allowing for maximum flexibility in graphical layout and revision of the drawing. This method allows movement, rotation etc. of AVEVA P&ID items to be unrestricted even after labelling has taken place. Labelling must exist for the engineering data to be validated and exported to AVEVA P&ID Reports.

Every label has an Item Type which dictates its behaviour in a given situation. A full list of Item Types can be found in the section AVEVA P&ID Item Types and Label Types.

Note: For information on how the three-digit label type codes are derived and how they can help the user to identify the expected behaviour of the objects allocated with them, refer to AVEVA P&ID Internal Type Definitions and their Purposes.

Label text is handled intelligently during rotation or reflection to make sure it retains its correct orientation. Any revisions to labels are immediately reflected in the displayed text. Quick rotation of labels is provided, by selecting the label, clicking the right mouse button and selecting rotate from the menu.

The text of labels may either be in the default font select for the project, or in the text style assigned to the label type. Text styles are defined in the Text Styles Configuration Category of the AVEVA P&ID Project Administration program, and assigned to label types using the Label Types Configuration Category.

Labels are validated as they are entered against project defined lists of allowable values. Labels of a given type must be unique on the drawing. For example two Instrument items cannot have the same label. For further information on validation, refer to Validation.

A facility is provided to bulk edit label fields. Refer to Globally Edit Labels.

Skids may be added to drawings. Items that fall within the area of a skid are automatically assigned to it, and the details of the skid are added to their properties. Refer to Add Skids.

Label with Data from the P&ID Grid

All of the data displayed in the tables in the right-hand window of the P&ID Data Grid may be used to label the drawing. In this way, the drawing may be labelled with data not available using the normal labelling procedures, for example with properties of items that are not included in the standard labels.

Symbols that are not fully labelled may also be labelled by assigning unassigned items from the grid to them.

For details of these procedures refer to Label with Data from the P&ID Data Grid.

See also Refresh P&ID Data Grid Labels.