All terms listed alphabetically
absorption |
Cooling process using energy from heat source such as hot water |
---|---|
ac |
Relating to alternating current electricity |
ac-elec |
Alternating current electricity |
ac-elec-meter |
AC Electricity meter |
ac-freq |
Frequency of alternating current |
accumulate |
Accumulate the tag's value during inheritance and defx |
active |
Working, operative, effective |
active-power |
Active power or real power |
actuator |
Equipment to move or control a mechanism |
ahu |
Air Handling Unit |
ahuRef |
AHU which supplies air to an equipment or space |
ahuZoneDelivery |
AHU delivery method of conditioned air to the zone |
ahuZoneDeliveryType |
AHU delivery method of conditioned air to the zone |
air |
The mixture of gases which surrounds the earth |
air-temp |
Dry bulb temperature |
airCooling |
Cooling by dissipating heat into the surrounding air |
airHandlingEquip |
HVAC equipment that conditions and delivers air via one or more fans |
airQuality |
Measurement of contaminants in the air |
airTerminalUnit |
Equipment in air distribution systems which terminate at the space |
angle |
Measurement of the relative difference in direction between two vectors or phasors |
apparent |
Perceived quantity |
apparent-power |
Apparent power is perceived magnitude of power due to the combination of active and reactive power |
area |
Area of a shape or floor space |
association |
Associations model ontological relationships between definitions |
atmospheric |
Related to the atmosphere of the earth |
atmospheric-pressure |
Barometric pressure exerted by the weight of the atmosphere |
avg |
Average |
bacnet |
ASHRAE building automation and control protocol |
barometric |
Relating atmospheric pressure |
baseUri |
Base URI for normalizing relative URIs |
battery |
Equipment used to store electric energy |
blowdown |
Removal from container or pipe |
blowdown-water |
Water expelled from a system to remove mineral build up |
bluetooth |
Short range wireless communication protocol |
boiler |
Equipment to generate hot water or steam for heating |
bool |
Boolean value |
bypass |
Pipe used to bypass an equipment |
cav |
Constant air volume terminal unit |
centrifugal |
Compression via a continuous flow of fluid through an impeller |
children |
Prototypes contained by this entity |
childrenFlatten |
List of aspects to flatten into children prototypes |
chilled |
Substance is cooled using cooling process |
chilled-water |
Water used for HVAC cooling |
chilled-water-plant |
Plant used to generate chilled water for cooling |
chilledBeam |
Conditions a space using a heat exchanger integrated into the ceiling |
chilledBeamZone |
AHU supplies air to chilled beam terminal units |
chilledWaterCooling |
Cooling using transfer of heat to chilled water |
chilledWaterPlantRef |
Plant which supplies chilled water to the entity |
chiller |
Equipment to remove heat from a liquid |
chiller-absorption | |
chiller-centrifugal | |
chiller-reciprocal | |
chiller-rotaryScrew | |
chillerMechanism |
Primary mechanism of chiller |
chillerMechanismType |
Primary mechanism of chiller |
choice |
Choice specifies an exclusive marker selection |
circ |
Pipe used to circulate fluid through an equipment or system |
closedLoop |
Working fluid is kept separate from fluid used for heat transfer into the atmosphere |
cloudage |
Percentage of sky obscurred by clouds |
cmd |
Point is a command, actuator, AO/BO |
co2 |
Carbon dioxide level |
coap |
Constrained Application Protocol |
coil |
Heat exchanger used to heat or cool air |
coldDeck |
Duct carries air for cooling |
computed |
Indicates a definition which is computed |
condensate |
Liquid phase produced by the condensation of steam or other gas |
condenser |
Device or related to process of condensation |
condenser-water |
Water used used to remove heat through condensation |
condenserCooling |
Removal of heat through the process of water condensation |
conduit |
Duct, pipe, or cable to convey a substance or phenomenon |
containedBy |
The entity is logically contained by the referent |
contains |
Entities logically contained by this entity |
controller |
Microprocessor based device used in a control system |
controls |
Associated with the control system for an industrial process |
controls-panel |
Panel housing controllers and networking gear |
conveys |
Equipment conveys a substance or phenomenon |
cool |
Point used to command equipment cooling |
cooling |
Cooling mode or process |
coolingCapacity |
Measurement of a chiller ability to remove heat measured |
coolingCoil |
Coil used to cool air |
coolingLoop |
Open or closed loop |
coolingOnly |
Device without heating |
coolingOnly-vav |
Cooling only VAV without fan or reheat |
coolingProcess |
Processed used to cool a substance |
coolingProcessType |
Processed used to cool a substance |
coolingTower |
Equipment to transfer waste heat into the atmosphere |
cools |
Equipment removes heat from a substance |
coord |
Geographic coordinate in latitude/longitude formatted as |
crac |
Computer Room Air Conditioner |
cur |
Supports current value |
cur-point |
Point with support to report a "real-time" current value |
curErr |
Error description when curStatus indicates error condition |
curStatus |
Status of point's current value reading |
curVal |
Current value of a point |
current |
Movement of fluid or electricity |
current-angle |
AC current phase angle |
current-imbalance |
Current phase imbalance in a multiphase AC system |
current-magnitude |
Magnitude of electrical current |
current-thd |
Total harmonic current distortion |
dali |
Digital Addressable Lighting Interface protocol for lighting |
damper |
Damper equipment or control point |
damper-actuator |
Actuator to regulate the flow of air |
dataCenter |
Space used to house computer and networking gear |
date |
ISO 8601 date as year, month, day |
dateTime |
ISO 8601 timestamp followed by timezone identifier |
daytime |
Time between sunrise and sunset |
dc |
Relating to direct current electricity |
dc-elec |
Direct current electricity |
dc-elec-meter |
DC Electricity meter |
def |
Create a new definition bound to the given symbol |
defx |
Extends the given definition with additional meta tags |
dehumidifies |
Equipment removes moisture from air to decrease humidity |
delta |
Differential of fluid between entering and leaving sensors |
device |
Microprocessor based hardware device |
dewPoint |
Dew point temperature at which water vapor will form dew |
dict |
Map of name/value tag pairs |
directZone |
AHU supplies air directly to the zone |
direction |
Compass direction measured in degrees |
dis |
Display name for an entity |
discharge |
Duct with air leaving an equipment |
doc |
Documentation in simplified flavor of markdown |
docSection |
This tag is documented with its own section |
docTaxonomy |
Generate a taxonomy tree for this term in the documentation index |
domestic |
For human use |
domestic-water |
Tap water for drinking, washing, cooking, and flushing of toliets |
drive |
Related to the drive control of a motor |
drive-freq |
Motor frequency measured in "Hz" |
drive-speed |
Motor speed measured in "%" |
dualDuct |
Two ducts |
duct |
Conduit used to convey air for HVAC |
ductArea |
Config point on a vav for duct area measured in ft² or m² |
ductConfig |
Ductwork configuration |
ductConfigType |
Ductwork configuration |
ductDeck |
Cold, hot, or neutral deck |
ductDeckType |
Cold, hot, or neutral deck |
ductSection |
Equipment section of ductwork |
ductSectionType |
Equipment section of ductwork |
duration |
Number with a unit of time |
dxCooling |
Cooling using direct expansion of a refrigerant vapar |
effective |
Current control setpoint in effect taking into account other factors |
efficiency |
Efficiency point of a chiller measured in "COP" or "kW/ton" |
elec |
Associated with electricity, electric charge |
elec-current |
Electrical current |
elec-energy |
Electrical energy consumed |
elec-meter |
Electricity meter |
elec-panel |
Physical housing for electrical circuits, fuses, and breakers |
elec-power |
Electrical energy consumed per unit time |
elec-volt |
Electrical voltage, potential difference |
elecHeating |
Heating by the conversion of electrical energy |
elevator |
Enclosure used to move people between floors |
enable |
Secondary on/off point of an equip especially used with a vfd |
energy |
Measure of ability to do work |
entering |
Pipe conveys fluid into an equipment |
entity |
Top-level dicts with a unique identifier |
enum |
Defines an eumeration of string keys |
equip |
Equipment asset |
equipFunction |
Models one of the primary functions of an equipment type |
equipRef |
Reference to equip which contains this entity |
escalator |
Moving staircase used to move people between floors |
evaporator |
Mechanism used to convert a refrigerant from its liquid to gaseous state |
exhaust |
Duct used to expel air back outside |
export |
Supplied out of a system |
faceBypass |
Point of an ahu indicating air flow is by-passing the heating/cooling coils |
fan |
Fan equipment or control point |
fan-motor |
Motor used with a fan to create air flow |
fanPowered |
Device with a fan |
fanPowered-vav |
VAV contains a fan with reheat |
fcu |
Fan Coil Unit |
feature |
Feature namespace of definitions formatted as |
feelsLike |
Apparent temperature perceived when considering humidity, wind chill, and heat index |
fileExt |
Filename extension such as "csv" |
filetype |
File format type definition |
filter |
Haystack filter string |
floor |
Storey of a building |
floorNum |
Unitless integer indicating the floor's distance from ground level |
flow |
Measure of volumetric flow of fluid |
flow-meter |
Meter to measure flow rate and total volume of fluid |
flue |
Duct for exhausting combustion |
fluid |
Liquid or gas |
flux |
Measurement through a given surface |
freezeStat |
A boolean point of an ahu indicating a freezing condition |
freq |
Occurrences per unit time |
ftp |
File Transfer Protocol |
fuelOil |
Petroleum based oil burned for energy |
fumeHood |
Ventilation equipment to limit exposure to hazardous fumes |
gas |
Substance with neither definite volume nor shape |
gasHeating |
Heating by the combustion of natural gas |
gasoline |
Petroleum derived liquid used as a fuel source |
geoAddr |
Free form street address |
geoCity |
Geographic city or locality name |
geoCoord |
Geographic coordinate as |
geoCountry |
Geographic country as ISO 3166-1 two letter code |
geoCounty |
Geographic subdivision of US state |
geoElevation |
Elevation above sea-level of the location |
geoPlace |
Geographic place |
geoPostalCode |
Geographic postal code |
geoState |
State or province name |
geoStreet |
Geographic street address and name |
grid |
Two dimension table of columns and rows |
ground |
Related to the surface of the earth |
ground-floor |
Floor at ground level |
haystack |
Haystack HTTP protocol for exchanging tagged data |
header |
Pipe used as central connection or manifold for other piping runs |
heat |
Point used to command equipment heating |
heatExchanger |
Equipment to transfer heat between two working fluids |
heatPump |
Heat pump |
heatWheel |
Boolean point indicating command state of AHU's heat wheel |
heating |
Heating mode or process |
heatingCoil |
Coil used to heat air |
heatingProcess |
Processed used to heat a substance |
heatingProcessType |
Processed used to heat a substance |
heats |
Equipment heats a substance |
his |
Supports historization of data |
his-point |
Historized point with a history log of timestamp/value pairs |
hisErr |
Error description when hisStatus indicates error condition |
hisMode |
Indicates the way that history data is collected for a point |
hisStatus |
Status of point's history collection or synchronization |
hisTotalized |
Indicates values which are a continuous stream of totalization |
hot |
Having high degree of heat |
hot-water |
Hot water used for HVAC heating or supply to hot taps |
hot-water-boiler |
Boiler which outputs hot water |
hot-water-plant |
Plant used to generate hot water for heating |
hotDeck |
Duct carries air for heating |
hotWaterHeating |
Heating using energy of hot water |
hotWaterPlantRef |
Plant which supplies hot water to the entity |
http |
Hypertext Transfer Protocol which is foundation of the web |
humidifies |
Equipment adds moisture to air to increase humidity |
humidity |
Percent relative humidity |
hvac |
Heating, ventilation, and air conditioning |
hvac-zone-space |
Zone related to conditioning of a space's air temperature and quality |
ice |
Water in its solid form |
id |
Defines the unique identifier of an entity in system using a Ref value type |
illuminance |
Luminous flux hitting the inside of the sphere at a specific point |
imap |
Internet Message Access Protocol for retreiving email |
imbalance |
Lacking balance |
import |
Received into a system |
includes |
List of libraries to include into a lib namespace |
inlet |
Duct with air entering an equipment |
int |
Unitless integer number |
intensity |
Measure of an electromagnetic field |
irradiance |
Energy received at a surface by area |
is |
Defines one or more supertypes of a subtyping relationship |
isolation |
Actuator used to isolate an equipment from a pipe or ductwork system |
kind |
Kind name used before Haystack 4.0 to identity data types |
knx |
KNX protocol commonly used for lighting systems |
leaving |
Pipe conveys fluid out of an equipment |
level |
Fill level of a vessel containing a fluid where 0% is empty and 100% is filled |
lib |
Library module of symbolic definitions |
light |
Electromagnetic radiation in the visibile spectrum |
lighting |
Systems associated with illumination in the built environment |
lighting-zone-space |
Zone related to lighting system |
liquid |
Substance with definite volume but takes the shape of its container |
list |
Ordered list of zero or more values |
load |
Chiller point to command or measure the chiller's load as a percentage from "0%" to "100%" |
luminaire |
Light fixture using electricity to provide illumination |
luminance |
Energy of light in a given direction |
luminous |
Relating to light as perceived by the eye |
luminous-flux |
Total perceived light in all directions |
luminous-intensity |
Perceived light in a particular direction per unit solid angle |
magnitude |
Size or extent |
makeup |
Restore soemthing missed or lost |
makeup-water |
Water used used to makeup water loss through leaks, evaporation, or blowdown |
mandatory |
Requires that the marker be applied to dicts which use the marker's subtypes |
marker |
Marker labels a dict with typing information |
mau |
Makeup Air Unit |
maxVal |
Inclusive minimum for a numeric value |
meter |
Equipment to meter a substance or phenomenon |
meterScope |
Classifies a meter as a main site meter or submeter |
meterScopeType |
Classifies a meter as a main site meter or submeter |
mime |
Mime type formatted as type/subtype |
minVal |
Inclusive maximum for a numeric value |
mixed |
Duct where fresh outside and return air is mixed together |
mixing |
Three way valve which inputs two pipes and outputs a mixture between the two to a single output pipe |
mobile |
Relating to mobile phones, handheld computers, and similar technology |
mobile-phone |
Cellular phone providing telecommunication over radio links |
modbus |
Register based communication protocol used with industrial devices |
motor |
Equipment that converts electrical energy into mechanical energy |
moves |
Equipment moves a substance |
movingWalkway |
Conveyor to move people across a horizontal or inclined plane |
mqtt |
Message Queuing Telemetry Transport publish/subscribe protocol |
multiZone |
AHU discharge air is split into a duct per zone |
na |
Not available used to indicate invalid or missing data |
naturalGas |
Fossil fuel energy source consisting largely of methane and other hydrocarbons |
net |
Difference between import and export |
network |
Logical communications network between two or more devices |
networking |
Related to data communication networks |
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 |
neutralDeck |
Duct carries air which by-passes both heating and cooling coils |
notInherited |
Marker applied to a def to indicate that is not inherited into subtype definitions |
number |
Integer or floating point numbers annotated with an optional unit |
obix |
XML based Open Building Information eXchange protocol |
occ |
Occupied mode of a space |
occupants |
People who use the built ennvironment |
occupied |
Setpoint or sensor indicating occupancy of a space |
of |
Expected value type of a collection, reference, or choice |
oilHeating |
Heating by the combustion of fuel oil |
openLoop |
Uses working fluid itself for evaporation into the atmosphere |
outside |
Duct to access fresh outside air |
panel |
Enclosure for electrical and control equipment |
parallel |
Circuit with multiple paths of flow |
perimeterHeat |
Auxiliary heating points associated with a vav |
pf |
Electrical power factor |
phase |
Phase measurement in a three-phase electrical system |
phenomenon |
Aspect of scientific interest with measurable quantities |
phone |
Telephone used for voice telecommunication |
pipe |
Conduit used to convey a fluid |
pipeSection |
Equipment section of piping |
pipeSectionType |
Equipment section of piping |
plant |
Central plant used to generate a substance for a process |
pm10 |
Particulate Matter 10 |
pm25 |
Particulate Matter 2.5 |
point |
Data point such as a sensor or actuator |
pointFunction |
Classifies the point as a sensor, command, or setpoint |
pointFunctionType |
Classifies the point as a sensor, command, or setpoint |
pointQuantity |
Quantity the point senses or controls |
pointSubject |
What the point senses or controls |
pop3 |
Post Office Protocol version 3 for retreiving email |
power |
Energy consumed per unit time |
precipitation |
Amount of atmospheric water vapor fallen including rain, sleet, snow, and hail |
prefUnit |
Defines a preferred unit to be used with a quantity |
pressure |
Measure of force applied |
pressureDependent |
VAV damper modulates to control space temp |
pressureIndependent |
VAV damper or a control valve that modulates to maintain desired flow setpoint |
primaryFunction |
Primary function of building as US Energy Star key |
process |
Industrial or HVAC process |
processUses |
Input to a process, usually energy source |
produces |
Equipment produces a substance or phenomenon |
protocol |
Communication protocol used for devices on a network |
pump |
Pump equipment or control point |
pump-motor |
Motor used with a pump to move fluid |
quality |
Quantity measured against standard metric |
quantities |
Quantities used to measure this phenomenon |
quantity |
Measurable property of a substance or phenomenon |
quantityOf |
Associates quantity as measurement of a phenomenon |
rack |
Enclosure or chassis used to mount computer and networking gear |
radiantEquip |
HVAC equipment that conditions a space without forced air |
radiantFloor |
Heats a space using pipes or cables embedded beneath floor |
radiator |
Heats a space using exposed pipes or coils |
reactive |
Relating to reactance |
reactive-power |
Reactive power or imaginary power |
receives |
The entity receives from the referent |
reciprocal |
Piston compressor driven by a crankshaft |
reciprocalOf |
Specifies the inverse of an association or relationships |
ref |
Reference to an entity |
refrig |
Fluid used in refrigeration and heat exchange |
regulates |
Equipment regulates the flow of substance or phenomenon |
reheat |
Command point for reheats process |
reheats |
Equipment heats a substance previously cooled or heated |
relationship |
Ref tags used to model entity-to-entity relationships |
return |
Duct returning air back to equipment |
roof |
Envelope covering the top of a building |
roof-floor |
The roof floor is the topmost level of a building |
room |
Enclosed room of a building |
rotaryScrew |
Rotary screw compression |
router |
Device used to route data packets |
rtu |
Roof Top Unit |
run | |
scalar |
Scalar is an atomic value kind |
sensor |
Point is a sensor, input, AI/BI |
series |
Circuit with single path of flow |
server |
General purpose computer |
singleDuct |
One single duct |
site |
Site is a geographic location of the built environment |
siteMeter |
Main meter for the associated site |
siteRef |
Reference to site which contains the entity |
smtp |
Simple Mail Transfer Protocol for sending email |
snmp |
Simple Network Management Protocol for managing IP devices |
solar |
Relating to energy from the sun |
solar-irradiance |
Energy received on surface of the earth from the sun |
solid |
Substance with definite shape and volume |
sox |
Sedona Framework UDP based communication protocol |
sp |
Point is a setpoint, soft point, internal control variable, schedule |
space |
Space is a three-dimensional volume in the built environment |
spaceRef |
Reference to space which contains this entity |
speed |
Distance per unit time |
stage |
Stage number of staged equipment operation such as coil or pump |
standby |
Readiness mode of a space |
state |
Software, hardware, or process control status |
stateQuantity |
What is sensed or controlled of software, hardware, or process state |
steam |
Water in its gas form |
steam-boiler |
Boiler which outputs steam |
steam-plant |
Plant used to generate steam for heating |
steamHeating |
Heating using energy of steam |
steamPlantRef |
Plant which supplies steam to the entity |
stores |
Equipment stores a substance or phenomenon |
str |
Unicode string of characters |
submeter |
Submeters measure usage of a sub-system or equipment within a site |
submeterOf |
Reference to parent meter which is immediately upstream of this meter |
substance |
Matter in one the three states solid, liquid, or gas |
subterranean |
Below the surface of the earth |
subterranean-floor |
Floor below ground level |
supplies |
The entity supplies to the referent |
switch |
Device for toggling state or routing data |
symbol |
Symbol to a def |
tablet |
Mobile device with touch screen for user input |
tagOn |
This tag is used on the given entity |
tags |
Tags used with this entity |
tank |
Tank used to store a substance for temporary holding |
temp |
Temperature - measure of hot and cold |
thd |
Total harmonic distortion |
thermal |
Related to energy of heat |
thermal-meter |
Meter to measure energy transfer via fluid |
thermostat |
Senses and controls temperature of space in HVAC system |
thread |
Low power wireless IoT protocol |
time |
ISO 8601 time as hour, minute, seconds |
total |
Complete or absolute |
transient |
Indicates a value tag which should not be persisted |
transitive |
This marker is applied to a relationship to indicate it is transitive |
tripleDuct |
Three ducts |
tvoc |
Total volatile organic compound (TVOC) |
tz |
Timezone identifier from standard timezone database |
unit |
Unit identifier from standard unit database |
unitVent |
Unit Ventilator |
unocc |
Unoccupied mode of a space |
uri |
Unverisal resource identifier |
val |
Data value type |
valve |
Valve equipment or control point |
valve-actuator |
Actuator to regulate the flow of fluid |
vav |
Variable air volume terminal unit |
vav-parallel |
VAV pulls air from outside the primary air flow |
vav-series |
VAV pulls air from the primary air flow |
vavAirCircuit |
How does the VAV pull in air |
vavAirCircuitType |
How does the VAV pull in air |
vavMode |
Standardized vav operational mode enumeration |
vavModulation |
How does VAV modulate the temp based on duct pressure |
vavModulationType |
How does VAV modulate the temp based on duct pressure |
vavZone |
AHU supplies air to VAV terminal units |
ventilates |
Equipment brings fresh outside air into a space |
version |
Version string formatted as decimal integers separated by a dot |
verticalTransport |
Equipment to move humans and materials |
vfd |
Motor with variable frequency drive |
visibility |
Distance at which light can be clearly discerned |
volt |
Electrical voltage, potential difference |
volt-angle |
AC voltage phase angle |
volt-imbalance |
AC voltage phase imbalance |
volt-magnitude |
Magnitude of electrical voltage |
water |
Water in its liquid form |
weather |
Associated with atmospheric air or phenomenon |
weather-point |
Weather station sensor point |
weatherCond |
Enumeration of weather conditions |
weatherRef |
Reference to weather station for to use this entity |
weatherStation |
Logical weather station and its measurement points |
webBulb |
Wet bulb air temperature |
wikipedia |
Hyperlink to the subject's page on Wikipedia |
wind |
Flow of air on surface of the Earth |
wind-direction |
Compass direction from which wind originates |
wind-speed |
Wind flow speed |
wire |
Cabling used to convey electricity or data |
writable |
Supports writing data |
writable-point |
Point with writable output using 16-level priority array |
writeErr |
Error description when writeStatus indicates error condition |
writeLevel |
Current priority level for writeVal as number between 1 and 17 |
writeStatus |
Current status of a writable point output |
writeVal |
Current desired value to write to output |
xstr |
Extended string - type name and string value encoding |
yearBuilt |
Original year of construction as four digit year such as 1980 |
zigbee |
Low power wireless communication protocol for home automation |
zone |
Related to spaces from a system perspective |
zone-space |
Space associated with a specific system |
zwave |
Low power wireless communication protocol for home automation |