These settings will also be discussed later on in this chapter.ĭefault line settings First, we will take a look at the default settings for the line styles. Just like the Pipe Lines, the Instrument Lines also have settings that control the behavior of each line itself. Depending on the standard being used, these instrument lines include: Electric Signal Pneumatic Signal Hydraulic Signal Software Link Capillary Tube Instrument Supply Line Leader Electromagnetic Signal Mechanical Link These line types differ somewhat from the Pipe Lines, in that there are extra symbols in or on these lines when they are placed. These line types are specifically created for use with instruments. AutoCAD P&ID uses several line types called instrument lines to connect instruments. In our process and instrument diagram, there are also instruments that have to be connected. There are also several other settings that control the behavior of the line, which will be discussed later. These settings control the color, line style, and width of the line when plotted or printed. Primary Pipe Lines Secondary Pipe Lines Existing Primary Pipe Lines Existing Secondary Pipe Lines New Primary Pipe Lines New Secondary Pipe LinesĮach line type has specific settings that make the lines appear differently in your process and instrument diagram. There are several different types of Pipe Lines, depending on the standard being used (see image): Whenever you insert that block, the objects inherit the linetype of the block.Line Styles AutoCAD P&ID uses an element called Pipe Lines to connect components. If you enter byblock, new objects are drawn using the CONTINUOUS linetype until they are grouped into a block. If you enter bylayer, new objects inherit the linetype associated with the layer on which the object is drawn. If the linetype cannot be found, the program displays a message and returns you to the Command prompt.Įnter ? to list all loaded linetype names. If the linetype you request is not loaded, the program searches for its definition in the LIN file. All new objects are drawn with this linetype, regardless of the current layer. The linetype you enter becomes the current linetype. You can control the linetype of objects individually or by layer.
Sets the current linetype for objects that will be drawn subsequently. Enter or select the file in which the linetype you want to load is stored. The Select Linetype File dialog box (a standard file selection dialog box) is displayed. The following files contain standard linetypes: Loads a linetype whose definition exists in a file.
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