By associating a signal line group with a pipe line group, you can set up the signal line group to acquire any of that pipe line group properties. You manually associate the groups using SLGROUPEDIT.
Although a pipe line group can be associated with many signal line groups, a signal line group can be associated with only one pipe line group. Once an association is established, the following capabilities are available:
Association and dissociation are manual processes. If you change a drawing that make a current association inappropriate, you can change the association. As you change, all acquired properties are updated to reflect the current association. Tags and annotations based on these properties are also updated automatically.