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e create account log in contents move to sidebar hide top 1 origins and uptake 2 usage 3 technical details 4 acquisitions 5 applications using lonworks 6 snvts standard network variable types 7 see also 8 references 9 external links toggle the table of contents lonworks 13 languages català čeština deutsch español français italiano 日本語 한국어 nederlands polski português русский 中文 edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia building automation network this article contains promotional content please help improve it by removing promotional language and inappropriate external links and by adding encyclopedic text written from a neutral point of view see our advice if the article is about you and read our scam warning in case someone asks for money to edit this article august 2016 learn how and when to remove this message lonworks or local operating network is an open standard iso iec 14908 for networking platforms specifically created to address the needs of control applications the platform is built on a protocol created by echelon corporation for networking devices over media such as twisted pair power lines fiber optics and wireless it is used for the automation of various functions within buildings such as lighting and hvac see building automation origins and uptake edit the technology had its origins with chip designs power lines twisted pairs signaling technology routers network management software and other products from echelon corporation in 1999 the communications protocol then known as lontalk was submitted to ansi and accepted as a standard for control networking ansi cea 709 1 b echelon s power line and twisted pair signaling technology were also submitted to ansi for standardization and acceptance since then ansi cea 709 1 has been accepted as the basis for ieee 1473 l in train controls aar electro pneumatic braking systems for freight trains ifsf european petrol station control semi semiconductor equipment manufacturing and in 2005 as en 14908 european building automation standard the protocol is also one of several data link physical layers of the bacnet ashrae ansi standard for building automation china ratified the technology as a national controls standard gb z 20177 1 2006 and as a building and intelligent community standard gb t 20299 4 2006 and in 2007 ceced the european committee of domestic equipment manufacturers adopted the protocol as part of its household appliances control and monitoring application interworking specification ais standards in 2008 iso and iec granted the communications protocol twisted pair signaling technology power line signaling technology and internet protocol ip compatibility standard numbers iso iec 14908 1 2 3 and 4 1 usage edit by 2010 approximately 90 million devices were installed with lonworks technology manufacturers in a variety of industries including building home street lighting transportation utility and industrial automation have adopted the platform as the basis for their product and service offerings statistics as to the number of locations using the lonworks technology are scarce but products and applications built on top of the platform include such diverse functions as embedded machine control municipal and highway tunnel street lighting heating and air conditioning systems intelligent electricity metering subway train control building lighting stadium lighting and speaker control security systems fire detection and suppression and newborn location monitoring and alarming as well as remote power generation load control technical details edit two physical layer signaling technologies twisted pair free topology and power line carrier are typically included in each of the standards created around the lonworks technology the two wire layer operates at 78 kbit s using differential manchester encoding while the power line achieves either 5 4 or 3 6 kbit s depending on frequency 2 additionally the lonworks platform uses an affiliated ip tunneling standard iso iec 14908 4 3 ansi cea 852 4 in use by a number of manufacturers 5 to connect the devices on previously deployed and new lonworks platform based networks to ip aware applications or remote network management tools many lonworks platform based control applications are being implemented with some sort of ip integration either at the ui application level or in the controls infrastructure this is accomplished with web services or ip routing products available in the market an echelon corporation designed ic consisting of several 8 bit processors the neuron chip was initially the only way to implement a lontalk protocol node and is used in the large majority of lonworks platform based hardware since 1999 the protocol has been available for general purpose processors a port of the ansi cea 709 1 standard to ip based or 32 bit chips 6 acquisitions edit as of 14 september 2018 echelon corporation was acquired by adesto technologies corporation 7 adesto was then acquired by dialog semiconductor 8 who were then acquired by renesas electronics 9 as of 2024 renesas continues to offer lonworks and bacnet products 10 applications using lonworks edit semiconductor manufacturing lighting control systems energy management systems heating ventilation air conditioning systems security systems home automation consumer appliance controls public street lighting monitoring and control petrol station control electronically controlled pneumatic braking distributed avionics 11 snvts standard network variable types edit one of the keys to the interoperability of the system is the standardisation of the variables used to describe physical things to lonworks this standards list is maintained by lonmark international and each standard parameter is known as standard network variable type snvt pronounced sniv it for example a thermostat might report temperature using the snvt_temp defined as a 2 byte integer between zero and 65535 and representing a temperature between 274 0 and 6279 5 degrees celsius at a precision of 0 1 c 12 see also edit modbus bacnet references edit lonworks technology achieves iso iec standardization press release 2008 12 03 retrieved 2014 02 11 http www echelon com support documentation manuals transceivers 005 0154 01d pdf archived 2007 09 27 at the wayback machine pl3120 3150 transceiver data book p5 ip tunneling protocol international retrieved 2024 10 07 cta 852 1 enhanced protocol for tunneling component network protocols over internet protocol channels http www lonmark org membership directory archived 2019 08 30 at the wayback machine directory of lonmark international member companies cta 709 1 control network protocol specification marketscreener 2018 09 14 adesto technologies corporation completed the acquisition of echelon corporation from royce associates lp renaissance technologies corp enel investment holding b v and other shareholders marketscreener www marketscreener com retrieved 2024 10 07 dialog semiconductor to acquire adesto technologies broadening presence in the industrial internet of things market iiot renesas www renesas com retrieved 2024 10 07 renesas targets iot mixed signal expansion with dialog purchase ee times archived from the original on 2021 02 21 retrieved 2025 10 03 bacnet and lon industrial protocols renesas www renesas com retrieved 2024 10 07 the arnav fms 7000 flight management system aircraft engineering and aerospace technology 65 5 16 1993 doi 10 1108 eb037379 lonmark snvt master list pdf version 11 revision 2 ed echelon corporation may 2002 p 118 retrieved 9 march 2020 external links edit official website introduction to the lonworks platform revision 2 v t e automation protocols process automation as i bsap cc link industrial networks cip can bus canopen devicenet controlnet df 1 directnet ethercat ethernet global data egd ethernet powerlink ethernet ip factory instrumentation protocol fins foundation fieldbus h1 hse ge srtp hart protocol honeywell sds hostlink interbus io link mechatrolink melsecnet modbus optomux profibus profinet rapienet sercos interface sercos iii sinec h1 synqnet ttethernet industrial control system mtconnect opc da opc hda opc ua building automation 1 wire bacnet batibus c bus cebus dali dsi dynet enocean ehs eib fip knx lontalk modbus opentherm obix vscp x10 xap xpl z wave zigbee power system automation iec 60870 iec 60870 5 iec 60870 6 dnp3 factory instrumentation protocol iec 61850 iec 62351 modbus profibus automatic meter reading ansi c12 18 iec 61107 dlms iec 62056 m bus modbus zigbee automobile vehicle afdx arinc 429 can bus sae j1939 nmea 2000 fms factory instrumentation protocol flexray iebus j1587 j1708 keyword protocol 2000 unified diagnostic services lin most sent sae j2716 van cyphal v t e home automation system elements actuators hardware controllers sensors interconnection type wired cable xdsl optical fiber powerline plcbus universal powerline bus upb x10 wireless radio frequency bluetooth bluetooth low energy dect enocean gprs myrianed one net thread umts wi fi zigbee z wave infrared consumer ir both insteon knx matter network technologies by function device interconnection bluetooth bluetooth low energy firewire irda usb zigbee control and automation alljoyn bus scs with openwebnet c bus protocol cebus enocean ehs insteon ip500 luxom knx lonworks one net universal powerline bus x10 zigbee z wave data networking ethernet homeplug homepna wi fi tasks audio and video heating ventilation and air conditioning lighting control system other systems robotics security thermostat automation gateway smart home hub other list of softwares costs mesh networking organizations smart grid see also home of the future building automation floor plan home energy monitor home network home server house navigation system integer millennium house the house for the future ubiquitous computing xanadu houses v t e heating ventilation and air conditioning fundamental concepts air changes per hour ach bake out building envelope convection dilution domestic energy consumption enthalpy fluid dynamics gas compressor heat pump and refrigeration cycle heat transfer humidity infiltration latent heat noise control outgassing particulates psychrometrics sensible heat stack effect thermal comfort thermal destratification thermal mass thermodynamics vapour pressure of water technology absorption compression heat pump absorption refrigerator air barrier air conditioning antifreeze automobile air conditioning autonomous building building insulation materials central heating central solar heating chilled beam chilled water constant air volume cav coolant cross ventilation dedicated outdoor air system doas deep water source cooling demand controlled ventilation dcv displacement ventilation district cooling district heating electric heating energy recovery ventilation erv firestop forced air forced air gas free cooling heat recovery ventilation hrv hybrid heat hydronics ice storage air conditioning kitchen ventilation mixed mode ventilation microgeneration passive cooling passive daytime radiative cooling passive house passive ventilation radiant heating and cooling radiant cooling radiant heating radon mitigation raised floor refrigeration renewable heat room air distribution solar air heat solar combisystem solar cooling solar heating thermal insulation thermosiphon underfloor air distribution underfloor heating vapor barrier vapor compression refrigeration vcrs variable air volume vav variable refrigerant flow vrf ventilation water heat recycling components air conditioner inverter air door air filter air handler air ionizer air mixing plenum air purifier air source heat pump attic fan automatic balancing valve back boiler barrier pipe blast damper boiler centrifugal fan ceramic heater chiller condensate pump condenser condensing boiler convection heater compressor cooling tower damper dehumidifier duct economizer electrostatic precipitator evaporative cooler evaporator exhaust hood expansion tank fan fan coil unit fan filter unit fan heater fire damper fireplace fireplace insert freeze stat flue freon fume hood furnace gas compressor gas heater gasoline heater grease duct grille ground coupled heat exchanger ground source heat pump heat exchanger heat pipe heat pump heating film heating system hepa high efficiency glandless circulating pump high pressure cut off switch humidifier infrared heater inverter compressor kerosene heater louver mechanical room oil heater packaged terminal air conditioner plenum space pressurisation ductwork process duct work radiator radiator reflector recuperator refrigerant register reversing valve run around coil sail switch scroll compressor solar chimney solar assisted heat pump space heater smoke canopy smoke damper smoke exhaust ductwork thermal expansion valve thermal wheel thermostatic radiator valve trickle vent trombe wall turboswing turning vanes ultra low particulate air ulpa whole house fan windcatcher wood burning stove zone valve measurement and control air flow meter aquastat bacnet blower door building automation carbon dioxide sensor clean air delivery rate cadr control valve gas detector home energy monitor humidistat hvac control system infrared thermometer intelligent buildings lonworks minimum efficiency reporting value merv normal temperature and pressure ntp opentherm programmable communicating thermostat programmable thermostat psychrometrics room temperature smart thermostat standard temperature and pressure stp thermographic camera thermostat thermostatic radiator valve professions trades and services architectural acoustics architectural engineering architectural technologist building services engineering building information modeling bim deep energy retrofit duct cleaning duct leakage testing environmental engineering hydronic balancing kitchen exhaust cleaning mechanical engineering mechanical electrical and plumbing mold growth assessment and remediation refrigerant reclamation testing adjusting balancing industry organizations ahri amca ashrae astm international bre bsria cibse institute of refrigeration iir leed smacna umc health and safety indoor air quality iaq passive smoking sick building syndrome sbs volatile organic compound voc see also ashrae handbook building science fireproofing glossary of hvac terms warm spaces world refrigeration day template fire protection template home automation template plumbing template solar energy retrieved from https en wikipedia org w index php title lonworks oldid 1378299491 categories home automation building automation hidden categories articles with short description short description is different from ...