def
entity
Top-level dicts with a unique identifier. See Ontology chapter.
meta
supertypes
marker |
Marker labels a dict with typing information |
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subtypes
device |
Microprocessor based hardware device |
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computer |
General purpose computer |
laptop |
Portable laptop computer |
server-computer |
General purpose computer used as a server |
controller |
Microprocessor based device used in a control system |
networking-device |
Microprocessor device used to establish networks |
networking-router |
Networking device used to route data between different networks |
networking-switch |
Networking device used to connect devices on the same network |
phone |
Telephone used for voice telecommunication |
mobile-phone |
Cellular phone providing telecommunication over radio links |
tablet |
Mobile device with touch screen for user input |
equip |
Equipment asset |
actuator |
Equipment to move or control a mechanism |
damper-actuator |
Actuator to regulate the flow of air |
valve-actuator |
Actuator to regulate the flow of fluid |
airHandlingEquip |
HVAC equipment that conditions and delivers air via one or more fans |
ahu |
Air Handling Unit |
doas |
Dedicated Outside Air System |
mau |
Makeup Air Unit |
rtu |
Roof Top Unit |
fcu |
Fan Coil Unit |
crac |
Computer Room Air Conditioner |
unitVent |
Unit Ventilator |
vrf-indoorUnit-fcu |
Indoor unit fan coil unit in a VRF system |
airTerminalUnit |
Equipment in air distribution systems which terminate at the space |
cav |
Constant air volume terminal unit |
vav |
Variable air volume terminal unit |
ates |
Aquifer Thermal Energy Storage system |
battery |
Equipment used to store electric energy |
boiler |
Equipment to generate hot water or steam for heating |
hot-water-boiler |
Boiler which outputs hot water |
steam-boiler |
Boiler which outputs steam |
cable |
An assembly of one or more insulated conductors |
chiller |
Equipment to remove heat from a liquid |
circuit |
Electrical circuit and its associated components such as breakers |
conduit |
Duct, pipe, or cable to convey a substance or phenomenon |
duct |
Conduit used to convey air for HVAC |
pipe |
Conduit used to convey a fluid |
wire |
Cabling used to convey electricity or data |
coolingTower |
Equipment to transfer waste heat into the atmosphere |
evse-equip |
Equipment that supports the delivery of electricity to charging inlets located on EVs |
evse-cable |
The electrical cable between an |
evse-dispenser |
Equipment that dispenses electricity to an EV |
evse-port |
An EVSE port delivers electricity to a single EV charging inlet at a time |
ac-evse-port |
An AC EVSE port delivers |
dc-evse-port |
A DC EVSE port delivers |
evse-powerConverter |
A power converter that has a |
flowInverter |
System to change direction of substance flow |
fumeHood |
Ventilation equipment to limit exposure to hazardous fumes |
heatExchanger |
Equipment to transfer heat between two working fluids |
coil |
Heat exchanger used to heat or cool air |
coolingCoil |
Coil used to cool air |
heatingCoil |
Coil used to heat air |
humidifier-equip |
Equipment which adds moisture to air to increase humidity |
luminaire |
Light fixture using electricity to provide illumination |
meter |
Equipment to meter a substance or phenomenon |
elec-meter |
Electricity meter |
ac-elec-meter |
AC Electricity meter |
dc-elec-meter |
DC Electricity meter |
evse-port |
An EVSE port delivers electricity to a single EV charging inlet at a time |
ac-evse-port |
An AC EVSE port delivers |
dc-evse-port |
A DC EVSE port delivers |
flow-meter |
Meter to measure flow rate and total volume of fluid |
motor |
Equipment that converts electrical energy into mechanical energy |
fan-motor |
Motor used with a fan to create air flow |
pump-motor |
Motor used with a pump to move fluid |
panel |
Enclosure for electrical and control equipment |
controls-panel |
Panel housing controllers and networking gear |
elec-panel |
Physical housing for electrical circuits, fuses, and breakers |
plant |
Central plant used to generate a substance for a process |
chilled-water-plant |
Plant used to generate chilled water for cooling |
hot-water-plant |
Plant used to generate hot water for heating |
steam-plant |
Plant used to generate steam for heating |
vrf-refrig-plant |
Group of outdoor units in a VRF system |
rack |
Enclosure or chassis used to mount computer and networking gear |
radiantEquip |
HVAC equipment that conditions a space without forced air |
chilledBeam |
Conditions a space using a heat exchanger integrated into the ceiling |
radiantFloor |
Heats a space using pipes or cables embedded beneath floor |
radiator |
Heats a space using exposed pipes or coils |
tank |
Tank used to store a substance for temporary holding |
thermostat |
Senses and controls temperature of space in HVAC system |
ups |
Uninterruptible power supply |
verticalTransport |
Equipment to move humans and materials |
elevator |
Enclosure used to move people between floors |
escalator |
Moving staircase used to move people between floors |
movingWalkway |
Conveyor to move people across a horizontal or inclined plane |
vrf-equip |
Equipment used in VRF systems |
branchSelector |
Branch selector used for heat recovery in a VRF system |
vrf-indoorUnit |
Indoor unit in a VRF system |
vrf-indoorUnit-fcu |
Indoor unit fan coil unit in a VRF system |
vrf-outdoorUnit |
Outdoor unit with one or more compressors in a VRF system |
well |
A well is a source of groundwater and potentially thermal energy |
evseSession |
Describes an event during which an |
mlVar |
Machine learning variable representing both model inputs and outputs |
network |
Logical communications network between two or more devices |
point |
Data point such as a sensor or actuator |
cur-point |
Point with support to report a "real-time" current value |
his-point |
Historized point with a history log of timestamp/value pairs |
synthetic-point |
See Synthetics chapter |
computed-point |
See Synthetics chapter |
ml-point |
See Synthetics chapter |
sim-point |
See Synthetics chapter |
weather-point |
Weather station observation point |
writable-point |
Point with writable output using 16-level priority array |
pointGroup |
Grouping of children points used by spaces and equipment |
airQualityZonePoints |
Entity with logical grouping of zone air quality points |
hvac-zone-space |
Zone related to conditioning of a space's air temperature and quality |
hvacZonePoints |
Entity with logical grouping of zone HVAC air points |
hvac-zone-space |
Zone related to conditioning of a space's air temperature and quality |
thermostat |
Senses and controls temperature of space in HVAC system |
lightingZonePoints |
Entity with logical grouping of lighting points |
lighting-zone-space |
Zone related to lighting system |
luminaire |
Light fixture using electricity to provide illumination |
site |
Site is a geographic location of the built environment |
space |
Space is a three-dimensional volume in the built environment |
dataCenter |
Space used to house computer and networking gear |
floor |
Storey of a building |
ground-floor |
Floor at ground level |
roof-floor |
The roof floor is the topmost level of a building |
subterranean-floor |
Floor below ground level |
room |
Enclosed room of a building |
zone-space |
Space associated with a specific system |
hvac-zone-space |
Zone related to conditioning of a space's air temperature and quality |
lighting-zone-space |
Zone related to lighting system |
syntheticModel |
See Synthetics chapter |
computedModel |
See Synthetics chapter |
mlModel |
See Synthetics chapter |
simModel |
See Synthetics chapter |
system |
Grouping of related equipment dedicated to a single application |
air-system |
System for moving air to maintain indoor thermal comfort and/or air quality |
air-conditioning-system |
System for air treatment to control its temperature, humidity, cleanliness, and distribution to meet the requirements of a conditioned space |
air-exhaust-system |
System consisting of one or more fans that remove air from the building |
air-ventilation-system |
System that supplies or removes air by natural or mechanical means to or from any space in order to provide outdoor air to the space |
elec-system |
System that generates, converts, distributes, and/or stores electricity |
evse-system |
A system that supplies electricity to EVSE assembly equipment and its auxiliary loads |
lighting-system |
System designed to provide lighting |
refrig-system |
Refrigerant distribution to fulfill all or parts of a refrigeration cycle |
vrf-system |
Variable refigerant flow system |
vrf-coolingOnly-system |
Cooling only VRF system can only cool |
vrf-heatPump-system |
Heat pump VRF system can either heat, or cool, but not at the same time |
vrf-heatRecovery-system |
Heat recovery VRF system can operate cooling and heating by each indoor unit independently, at the same time |
water-system |
System that supplies or collects potable or non-potable water in any state |
chilled-water-system |
System that circulates water in its liquid state below ambient temperature for cooling a space or process |
condenser-water-system |
System that circulates water in its liquid state for rejecting heat from a space or process |
domestic-water-system |
System that circulates potable water in its liquid state for purposes other than space conditioning and process requirements |
domestic-cold-water-system |
System that circulates potable cold water in its liquid state for purposes other than space cooling and process requirements |
domestic-hot-water-system |
System that circulates potable hot water in its liquid state for purposes other than space heating and process requirements |
hot-water-system |
System that circulates water in its liquid state for heating a space or process |
steam-system |
System that circulates water in its vapor state for heating a space or process |
weatherStation |
Logical weather station and its measurement points |