User Manual

Technical view
Standard plant structures
6
CM110664en_07 113 | 353
Primary plants with Desigo PX
Site : A site is a self-contained area in terms of location, function and
organization, usually a building or a group of buildings (facility). A site can
comprise several plants. Example: Building 6
Plant : A plant consists of partial plants, aggregates and components. A plant
can comprise several partial plants. Aggregates and components can be directly
subordinate to a plant. Example: Ventilation system, heating system
Partial plant : A partial plant can comprise various aggregates. Components can
be directly subordinate to a partial plant. Example: Central supply air treatment,
air distribution, hot water supply (one or more boilers)
Aggregate : An aggregate can comprise various components. Example: Exhaust
air fan
Component : A component can comprise several components, which can
comprise several components themselves. Example: Pumps (motors), dampers,
valves, sensors, detectors, limit switches, contactors, selector switches,
remote/local switches
Plant
Partial plant,
Aggregate,
Component
Site
Total max. 6
recursions (max. 7
levels)
Engineering model
Site
BACnet/System model
Hierarchy element
CFC Editor: Compound
Element type
Function element
CFC Editor: Compound
Function block
Function
Element type
Hierarchy object
Element type
Site
Structured view object
Element type
Block object
Element type
Standard BACnet object
Element type
Total max. 6
recursions
(nesting)
Element type:
plant
area
subarea
section
Element type:
partial plant
aggregate
component
room
Element type:
auxil. element
plant (primary)
area
subarea
section
Element type:
auxil. element
partial plant
aggregate
component
room
Assignable to PX
Element type: auxiliary element, plant, partial plant, aggregate, component, area, subarea, section, room
1
1
1 1
nn
nn
Structure
Elements