This part of IEC 61987 provides LOPs describing aspects of equipment for industrial-process
automation that is subject of this standard series.
The structures of the aspect LOPs correspond to the general structures defined in IEC 61987-
11 and agree with the fundamentals for the construction of LOPs defined in IEC 61987-10.
Libraries of properties and of blocks used in the aspect LOPs are listed in Annex B and
Annex C.