Inserting piping definition points in the P&I diagram For the definition of pipings you can on the one hand use the piping planning objects from the pre-planning.
Solution Regarding option 1 Call up the property dialog of the piping definition and check whether the Exchange source and target check box is activated in the properties.
On the other hand piping definition points can also be inserted directly- without assignment to a planning object, meaning without pre-planning- on a P&I diagram page.
If devices exist in the P&I diagrams(heat exchangers, shut-off control valves, etc.) at which the state of the substance changes,you can use further piping definition points to define these states.
For example the substance"Water" was entered at the connection definition point of the connection,while the substance"Air" was entered at the piping definition.
In the List view the substance, the piping name,the state as well as the placement of the associated piping definition point or piping connection point are displayed by default.
Cause A substance was defined at a connection in the P&I diagram.However, there no piping definition(piping connection point or piping definition point) at the connection.
The direction of flow of the piping is determined via source andtarget at the piping definition point when you have selected a piping definition point by means of the menu item Piping route.
A pipe class entered at the connection has a higher priority than a pipe class at the connection definition point, and the connection definition pointin turn has a higher priority than a piping definition point.
Cause In the P&I diagram thereare several piping definitions(piping connection points or piping definition points) which have contradictory values with regard to the State(substance) property at a connection.
Solution Locate the piping connection point or piping definition in the P&I diagram using the Go to(graphic) function from the popup menu in the Message management dialog.
Drawing piping definition points Select the following menu items: Insert< Piping definition point Place the piping definition point on an autoconnect line.
Transfer to the piping definition points If you place a piping planning object as a piping definition point or assign it to a placed piping definition point, the piping data(pipe class, substance and the associated properties)are transferred to the respective pipingdefinition point.
Info/ Copyright P028030: The pipe class entered at the piping definition point does not correspond to the pipe class'Cause Adifferent pipe class is entered at a piping definition point placed in a P&I diagram that is linked with a piping planning object in the pre-planning than at a linked piping planning object.
If a pipe class and/ ora substance is not entered at any of the pipingdefinition points linked to a piping planning object, the pipe class and/ or the substance is only transferred to the graphically first piping definition point during the execution of this popup menu item.
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