Justification of beams has to be adjusted before starting construction of beam. This one is possible from Toolbar icon Set default Profile Specification.
In Pline settings of window set the required Justification and you will see in toolbar current Justification.
Next description (in italic font) is taken from official Help of PDMS.
A PKEY is a reference pointer to a specific pline which forms part of the catalogue definition of a structural item (typically a profile, joint or fitting). For example, PKEYs for an I-section profile might include:
where L/C/R = Left/Centre/Right T/M/B = Top/Middle/Bottom F = Flange W = Web
You have to know point of connection of beams or columns. After you need adjust and create beams. In this case you saving time and will get correct connection point of them. Of course, you can correct even after connection as well (next manual). Let
